Comparison of basic characteristics AMPs

Name	Max Voltage, dBV					Max Current, dB(mA)				Impedance , ohm	Reports
	Linear Mode	Optimal Mode	Hard Mode	Maximum mode	0 dBFS	Linear Mode	Optimal Mode	Hard Mode	Maximum mode
▲ ▼	▲ ▼					▲ ▼				▲ ▼
Musatoff HA-4	14.75	14.75	14.75	14.75	14.75	30.83	31.63	31.63	32.63	0.00
Xuelin iHiFi 770 Out 2	-8.00	1.00	1.00	1.00	1.00	-5.53	4.76	11.57	36.52	0.03
GoVibe Porta Tube+ C4 Op-Amp Mod	3.89	6.82	6.82	6.82	6.82	36.97	41.76	41.76	41.76	0.03
FiiO K5 Mid Gain	12.40	12.40	12.40	12.40	12.40	33.74	48.42	48.42	48.42	0.04
Audiotrak Dr.Dac 2 OPA 627	17.64	17.64	17.64	17.64	17.64	30.10	45.10	45.10	45.10	0.06
Topping L50	18.16	19.16	19.16	19.16	19.16	52.37	53.37	53.37	53.37	0.06
SMSL M3	5.09	8.09	8.09	8.09	8.09	5.78	16.64	34.47	34.47	0.06
xDuoo XQ-10	-0.46	2.55	2.55	2.55	2.55	12.95	34.32	34.32	34.32	0.07
iBasso DX100	12.89	12.89	12.89	12.89	12.89	7.94	20.04	40.87	40.87	0.07
Schiit Fulla AMP	-11.39	-11.39	5.88	5.88	5.88	11.72	17.52	33.06	34.82	0.07
iFi Hipdac Hi Gain Balanced Out	4.66	9.67	9.67	9.67	9.67	9.48	35.91	37.93	37.93	0.08
FiiO K5 Low Gain	5.11	5.11	5.11	5.11	5.11	35.77	41.27	41.27	41.27	0.08
Topping EX5 Hi Gain	16.06	16.06	16.06	16.06	16.06	44.35	44.35	44.35	44.35	0.08
iFi Hipdac Hi Gain Balanced Out	10.68	15.69	15.69	15.69	15.69	5.21	35.24	38.47	38.47	0.08
FiiO A1	-13.58	4.42	4.42	4.42	4.42	-5.08	35.40	36.40	36.40	0.09
Vorzuge VorzAMPpure II Plus	9.76	9.76	11.76	11.76	11.76	24.42	40.53	42.33	42.33	0.09
Hiby FC3	6.24	6.24	6.24	6.24	6.24	13.44	37.15	37.15	37.15	0.09
SMSL ivy	2.29	2.29	2.29	2.29	2.29	14.40	36.24	36.24	36.24	0.09
FiiO X7 AM2	9.72	9.72	9.72	9.72	9.72	27.45	33.62	40.88	40.88	0.09
FiiO X7 AM2 OLD FW	4.74	4.74	4.74	4.74	4.74	18.86	28.64	38.73	38.73	0.10
FiiO X5 II Low Gain	0.20	3.20	3.20	3.20	3.20	7.73	22.47	37.14	39.14	0.10
FiiO K5 Hi Gain	16.21	16.21	16.21	16.21	16.21	15.63	38.73	49.19	49.19	0.10
iFi Hipdac Low Gain Balanced Out	5.52	5.52	5.52	5.52	5.52	8.30	35.89	37.89	37.89	0.10
Violectric HPA V200	24.43	24.43	24.43	24.43	24.43	45.46	46.46	46.46	46.46	0.10
iBasso D14 Bushmaster	8.22	8.22	8.22	8.22	8.22	27.60	32.10	43.18	43.18	0.10
iFi Hipdac Low Gain Balanced Out	-0.19	-0.19	-0.19	-0.19	-0.19	6.80	35.78	35.78	35.78	0.10
FiiO Alpen E17	2.47	9.46	9.46	10.46	10.46	31.78	41.43	41.43	41.43	0.10
xDuoo XD-05 Sanmigel Mod	11.60	11.60	11.60	11.60	11.60	20.52	35.29	35.73	35.73	0.10
QLS QA350	2.33	2.33	2.33	2.33	2.33	2.86	11.46	15.74	38.29	0.10
xDuoo X3 Default	-2.27	7.72	7.72	7.72	7.72	36.70	39.69	39.69	39.69	0.10
Oriolus DP100 Single-ended Out	7.96	7.96	7.96	7.96	7.96	42.86	42.86	42.86	42.86	0.10
FiiO Fujiyama E06	-9.96	4.04	4.04	4.04	4.04	9.18	23.18	37.02	37.02	0.10
xDuoo x10 Hi Gain	8.40	8.40	8.40	8.40	8.40	26.88	37.85	37.85	37.85	0.11
xDuoo X3 Rockbox	1.07	8.06	8.06	8.06	8.06	37.00	39.60	39.60	39.60	0.11
Pro-Ject Pre Box S2 Digital	5.92	5.92	5.92	5.92	5.92	14.78	34.90	34.90	34.90	0.11
xDuoo x10 Low Gain	4.37	6.31	6.31	7.37	7.37	31.16	38.92	38.92	38.92	0.11
CEntrance HiFi-M8 V2 2.5 Balanced Out	-2.81	9.19	9.19	9.19	9.19	10.02	22.98	32.50	32.50	0.11
CEntrance HiFi-M8 V2 3.5 Single-ended Out	-2.82	3.18	3.18	3.18	3.18	17.11	24.11	35.94	35.94	0.11
SMSL SH-9 Balanced Out	16.55	16.55	16.55	16.55	16.55	52.45	52.45	52.45	52.45	0.11
iFi ZEN DAC V2 Single Power Match Off	-1.82	0.18	0.18	0.18	0.18	10.46	18.70	36.16	36.16	0.12
Pro-Ject Head Box S2 Digital	6.01	6.01	6.01	6.01	6.01	13.25	35.50	35.50	35.50	0.12
iFi ZEN DAC V2 Power Match On Single-ended Out	3.49	4.49	4.49	8.50	8.50	11.16	20.52	35.30	36.30	0.12
Lisk Audio UX3-MOD3	11.86	11.86	11.86	11.86	11.86	33.13	45.33	45.33	45.33	0.12
xDuoo X20 Single-ended Out	4.32	9.32	9.32	9.32	9.32	40.30	44.30	44.30	44.30	0.12
xDuoo D3 nano	3.03	3.03	3.03	3.03	3.03	12.74	37.99	37.99	37.99	0.12
SMSL SP200 Hi Gain Single-ended Out	19.22	20.22	20.22	20.22	20.22	55.09	55.09	55.09	55.09	0.14
iFi iDSD Diablo Normal Mode Single-ended Out	5.01	14.01	14.01	14.01	14.00	39.12	47.12	48.12	48.12	0.14
iFi Micro iDSD Black Label Mid	12.26	12.26	13.26	13.26	15.53	32.39	45.64	46.64	46.64	0.14
iFi iDSD Diablo Eco Mode Single-ended Out	3.99	4.99	4.99	4.99	4.99	39.84	40.84	40.84	40.84	0.14
FiiO X3 II Hi Gain	3.99	7.98	7.98	7.98	7.98	18.28	29.08	39.94	39.94	0.14
Shanling M5	9.12	9.12	9.12	9.12	9.12	3.82	15.10	18.39	40.05	0.14
xDuoo X2	-5.55	-2.54	0.46	0.46	0.46	23.14	27.23	36.23	36.23	0.14
FiiO X7 AM1	5.10	5.10	5.10	5.10	5.10	37.71	41.06	41.06	41.06	0.14
iFi iDSD Diablo Turbo Mode Single-ended Out	12.61	18.61	18.61	18.61	22.86	46.64	49.02	49.02	49.02	0.14
xDuoo XD05 Bal Boost On Hi Gain Single-ended Out	14.77	14.77	14.77	14.77	15.00	34.84	40.92	46.71	46.71	0.15
xDuoo XD05 Bal Boost Off Low Gain Single-ended Out	8.26	8.26	8.26	8.26	8.00	30.26	43.19	43.19	43.19	0.15
Hiby FC5 Single-ended Out	1.22	2.22	2.22	3.23	5.75	17.57	29.86	34.67	34.67	0.15
Luxury & Precision W2 Single-ended Out	4.80	4.80	4.80	5.69	5.69	14.89	40.75	40.75	41.63	0.15
iFi Micro iDSD Black Label Eco	6.63	6.63	6.63	6.63	6.63	38.35	40.93	40.93	41.93	0.15
SMSL SH-9 Single-ended Out	16.65	16.65	16.65	16.65	16.65	52.59	52.59	52.59	52.59	0.16
xDuoo XD05 Bal Boost On Low Gain Single-ended Out	8.27	8.27	8.27	8.27	8.00	30.34	44.19	44.19	44.19	0.16
Cayin N6	2.04	11.03	11.03	11.03	11.03	25.89	41.46	41.46	41.46	0.16
iBasso DC04	11.91	11.91	11.91	11.91	11.91	25.85	36.50	37.50	37.50	0.16
Creative SXFI AMP PC	7.30	7.30	7.30	8.30	8.30	32.87	37.41	38.08	38.08	0.16
Creative SXFI AMP Asus M1	7.30	7.30	7.30	8.30	8.30	30.36	38.05	38.05	38.05	0.16
Violectric HPA V100	7.11	25.08	25.08	25.08	25.08	-1.59	46.11	46.44	46.44	0.16
iFi Micro iDSD Black Label Turbo	19.00	19.00	19.00	19.00	28.90	47.05	47.05	49.05	49.05	0.16
Questyle QP1R H-Gain	4.44	5.44	5.44	5.44	5.44	23.30	27.23	32.36	32.36	0.17
Chord Hugo	13.06	13.06	13.06	13.06	13.06	25.47	33.75	39.53	41.86	0.17
Burson Audio Conductor 3? Performance Single-ended Out	9.73	18.73	18.73	18.73	18.73	36.60	52.78	52.78	53.78	0.18
DIY Beta 22	12.63	12.63	12.63	12.63	12.63	47.84	48.84	48.84	48.84	0.18
Cayin N5 Single-ended Out	-4.21	10.79	10.79	10.79	10.79	24.44	42.23	42.23	42.23	0.18
iFi ZEN DAC Power Match Off Balanced Out	6.01	6.01	6.01	6.01	6.01	5.76	17.26	36.19	36.19	0.18
RME ADI-2-4 Pro SE Single-Ended Out	17.69	17.69	17.69	17.69	17.69	48.35	48.97	48.97	48.97	0.18
xDuoo XD05 Bal Boost Off Hi Gain Single-ended Out	10.28	10.28	10.28	10.28	14.00	26.34	34.08	43.70	43.70	0.18
QLS QA361 High voltage Single-ended Out	9.64	11.64	11.64	11.64	11.64	17.97	37.73	37.73	38.06	0.19
SMSL SP400 Single-ended Out	18.09	18.09	18.09	18.09	18.09	54.02	54.02	54.02	54.02	0.19
QLS QA361 Large Current Single-ended Out	6.13	9.13	9.13	9.13	9.13	27.83	40.14	40.14	40.52	0.19
Hiby FC5 Balanced Out	7.27	8.27	8.27	8.27	6.58	16.56	29.29	34.72	34.72	0.19
iFi ZEN DAC Power Match Off Single-ended Out	-0.01	-0.01	-0.01	-0.01	-0.01	11.58	23.76	35.90	35.90	0.19
QLS QA361 Double voltage Single-ended Out	7.66	11.66	11.66	11.66	11.66	24.89	42.13	42.13	42.51	0.19
iBasso DX80	7.43	7.43	9.43	9.43	9.43	24.31	41.34	41.34	41.34	0.19
iBasso DC06 Single-ended Out	5.95	5.95	5.95	5.95	5.95	7.65	21.02	39.91	39.91	0.19
E1DA 9038SG3	10.17	10.17	10.17	10.17	10.17	42.60	43.59	43.59	43.59	0.19
iFi ZEN DAC Power Match On Single-ended Out	4.15	4.83	9.16	9.16	9.16	8.33	19.33	34.59	37.16	0.19
QLS QA361 Normal Single-ended Out	8.13	9.13	9.13	9.13	9.13	21.95	38.14	38.14	38.53	0.20
SMSL SP200 Hi Balanced Out	20.13	20.13	20.13	20.13	20.13	55.19	55.19	55.19	55.19	0.20
Qudelix 5K Single-ended Out	-0.01	5.53	5.53	5.53	5.53	27.84	36.87	36.87	36.87	0.20
Chord Hugo TT	11.15	11.15	11.15	12.15	12.15	38.94	43.09	44.09	45.09	0.20
Violectric HPA V220	21.84	24.83	24.83	24.83	24.83	45.43	46.42	46.76	47.42	0.20
Chord Mojo	12.33	12.33	12.33	12.33	12.33	17.91	35.70	40.90	43.29	0.21
S-Audio Systems Focus V2	11.63	12.51	12.51	12.51	12.51	44.74	45.69	45.69	45.69	0.21
Musatoff HA-9 Hi Gain	19.84	19.84	19.84	20.84	20.84	42.52	54.87	54.87	54.87	0.21
Musatoff HA-9 Low Gain	7.82	7.82	7.82	7.82	7.82	43.74	43.74	43.74	43.74	0.21
Takstar HA 101	16.80	16.80	16.80	16.80	16.80	24.51	41.72	44.22	45.05	0.22
xDuoo XD05 Bal Boost On Hi Gain Balanced Out	20.30	20.30	20.30	20.30	20.00	27.75	37.13	37.13	37.13	0.22
xDuoo XD-05 Default	11.96	11.96	11.96	12.96	12.96	15.50	23.94	42.32	42.32	0.22
iFi ZEN DAC Power Match On Balanced Out	4.05	6.05	9.06	9.06	9.06	1.96	11.20	29.36	30.11	0.22
Onix Alpha XI1 Single-Ended Out	7.32	7.32	7.32	7.32	7.32	27.70	42.67	42.67	42.67	0.22
FiiO X5	9.18	9.18	9.18	9.18	9.18	33.00	42.06	42.06	42.06	0.22
Cayin N5 Balanced Out	2.81	16.81	16.81	16.81	16.81	23.41	42.29	42.29	42.29	0.23
xDuoo XD05 Bal Boost Off Hi Gain Balanced Out	16.37	16.37	16.37	16.37	20.00	27.15	43.13	43.13	43.13	0.23
xDuoo XD05 Bal Boost Off Low Gain Balanced Out	13.86	13.86	13.86	13.86	14.00	27.71	45.38	45.76	45.76	0.23
RME ADI-2 DAC FS 6.3 Hi Gain	19.27	19.27	19.27	19.27	19.27	47.69	47.69	47.69	47.69	0.23
xDuoo XD05 Bal Boost On Low Gain Balanced Out	13.85	13.85	13.85	13.85	14.00	28.94	38.75	38.75	38.75	0.23
FiiO uBTR	-15.93	-15.93	-15.93	-15.93	-15.93	-18.16	1.72	19.75	19.75	0.24
Shanling M3s Single-ended Out	5.22	5.22	5.22	5.22	5.22	37.24	41.12	41.12	41.12	0.24
Violectric HPA V281 Single-ended Out	24.46	24.46	24.46	24.46	24.46	46.12	46.12	46.12	46.12	0.24
FiiO X5 II Hi Gain	6.68	6.68	6.68	7.68	7.68	9.11	23.38	40.65	40.65	0.24
iFi ZEN DAC V2 Power Match Off Balanced Out	1.21	6.21	6.21	6.21	6.21	5.85	18.41	36.07	36.07	0.24
iFi NEO iDSD Single-ended Out	7.99	7.99	8.99	8.99	8.99	31.85	42.03	43.90	43.90	0.25
FiiO X3 II Low Gain	0.41	2.40	2.40	2.40	2.40	18.85	20.65	38.18	38.18	0.25
Hiby New R6 Balanced Out	14.82	14.82	14.82	14.82	14.82	26.42	41.70	41.70	41.70	0.25
Luxury & Precision P6 Pro Single-ended Out	7.70	7.70	7.70	7.70	7.70	39.39	39.39	39.39	39.39	0.25
HiFiMan HM 802 Gandi	2.93	5.93	5.93	6.93	6.93	14.05	21.00	26.60	37.36	0.26
SMSL SP400 Balanced Out	23.92	23.92	23.92	23.92	23.92	50.14	54.19	51.83	51.83	0.26
Violectric HPA V90	25.88	25.88	25.88	25.88	25.88	41.27	42.59	42.92	42.92	0.26
HiFiMan HM 802 Balanced Card Single-ended Out	1.43	7.44	7.44	7.44	7.44	25.49	31.24	37.41	40.29	0.26
Hidizs S9 Pro Single-ended Out	6.17	6.17	6.17	6.17	6.17	11.47	37.92	38.53	38.53	0.27
iFi ZEN DAC V2 Power Match On Balanced Out	3.99	10.99	10.99	13.00	13.00	10.09	22.11	34.62	35.62	0.27
Hiby FD3 Single-ended Out	5.31	6.31	6.31	6.31	6.31	27.43	38.16	38.16	38.16	0.27
CEntrance Mini-M8	-12.54	2.45	2.45	2.45	2.45	8.51	11.69	16.09	25.50	0.28
Luxury & Precision W2-131 Single-ended Out	5.85	5.85	5.85	5.85	5.85	12.41	38.10	38.70	38.70	0.28
iBasso DX240 AMP1 Mk3 Single-ended Out	9.38	9.38	9.38	9.38	9.38	42.24	44.24	44.24	44.24	0.29
Oriolus DPS-L2 Single-ended Out	10.77	10.77	10.77	10.77	10.77	42.21	42.21	42.21	42.21	0.29
EVGA Nu Audio	13.50	17.51	17.51	17.51	17.51	38.57	42.57	42.57	43.24	0.29
iBasso DC06 Balanced Out	12.00	12.00	12.00	12.00	12.00	10.26	19.90	41.63	41.63	0.30
iBasso DX 170 Single-ended Out	10.14	10.14	10.14	10.14	10.14	36.63	36.63	36.63	40.17	0.30
iBasso DX240 AMP8 MK2 Single-ended Out	9.29	9.29	9.29	9.29	9.29	15.06	44.63	44.63	44.63	0.30
Qudelix 5K Balanced Out	-5.98	12.02	12.02	12.02	12.02	23.32	41.38	41.38	41.38	0.31
Apple A1749 Lightning Audio Adapter (iPhone 5s)	-0.01	-0.01	-0.01	-0.01	-0.01	14.16	22.63	33.82	33.82	0.31
Monster Audio MA-9 Alexmod Edition	6.99	6.99	6.99	6.99	6.99	42.87	42.87	42.87	42.87	0.31
iFi iDSD Diablo Eco Mode Balanced Out	9.03	11.03	11.03	11.03	12.36	32.93	44.02	44.02	44.02	0.31
Apple A2155 USB-C to 3.5 mm Headphone Jack Adapter Neutron 44	-5.70	-6.70	-6.70	-6.70	-6.70	20.78	30.13	30.13	30.13	0.32
iBasso DX150 AMP6 Single-ended Out	7.42	7.42	7.42	7.42	7.42	35.98	36.65	36.65	39.25	0.33
xDuoo XD 05 Pro Balanced Out Turbo	23.33	23.33	23.33	23.33	23.33	38.21	44.82	44.82	44.82	0.33
QLS QA361 High voltage Balanced Out	15.60	17.60	17.60	17.60	17.60	28.03	36.52	36.52	36.52	0.33
OPPO HA-1 Balanced Out	24.46	24.46	24.46	24.46	24.46	44.51	49.01	49.26	49.26	0.33
HiFiMan HM 802 MiniBox	6.85	8.85	8.85	8.85	8.85	21.08	32.56	36.56	43.68	0.33
QLS QA361 Standard Balanced Out	14.08	15.08	15.08	15.08	15.08	26.72	36.67	36.67	36.67	0.33
iBasso DC03	6.00	6.00	6.00	6.00	6.00	35.42	35.79	35.79	35.79	0.33
iFi iDSD Diablo Normal Mode Balanced Out	10.94	19.94	19.94	19.94	20.12	33.85	42.85	42.85	42.85	0.34
Hidizs AP100	6.01	6.01	6.01	6.01	6.01	21.72	30.08	40.84	41.84	0.34
QLS QA361 Large Current Balanced Out	14.09	15.09	15.09	15.09	15.09	24.14	35.50	35.50	35.50	0.34
Flang V5 Hi Gain	3.24	3.24	3.24	3.24	3.24	7.84	17.95	33.08	33.08	0.34
iFi iDSD Diablo Turbo Mode Balanced Out	18.53	24.53	24.53	24.53	29.72	38.71	40.11	40.11	40.11	0.34
Flang V5 Low Gain	-0.57	-0.57	-0.57	-0.57	-0.57	6.18	18.88	31.89	33.26	0.35
iFi ZEN CAN Signature 6XX (+18 dB) Single-ended Out	1.76	16.76	16.76	16.76	16.76	33.34	46.85	47.24	47.24	0.35
Violectric HPA V281 Balanced Out	30.87	30.87	30.87	30.87	30.87	38.46	46.73	46.73	46.73	0.35
RME ADI-2 DAC FS Iem Mode	-3.71	-2.71	-2.71	-2.71	-2.71	32.07	33.07	33.07	33.07	0.36
QLS Quloos QA390 Super Hi - Hi Balanced Out	22.53	25.53	25.53	25.53	25.53	44.76	46.01	46.01	46.01	0.36
Noname Soundcard	-0.89	-0.89	-0.89	0.08	0.08	-4.65	5.33	26.20	27.20	0.38
iBasso DX 320 AMP11 Single-ended Out	8.77	9.77	9.77	10.77	10.77	16.39	43.57	43.57	43.57	0.38
Xuelin iHiFi 780 Out 2	-8.82	-7.82	-7.82	-7.82	-4.10	1.14	15.70	23.80	23.80	0.38
SMSL AD18	2.04	2.04	2.04	2.04	2.04	6.66	33.75	34.36	34.36	0.38
Cayin N5 MK2 Balanced Out	0.89	9.89	9.89	9.89	9.89	36.57	37.49	37.49	37.49	0.39
Xuelin iHiFi 800	0.09	0.09	0.09	0.09	0.06	3.02	14.47	23.63	35.90	0.40
Audiolab M-DAC	9.91	9.91	9.91	9.91	9.93	23.05	27.08	36.19	39.70	0.40
iBasso DX200 AMP1 Single-ended Out	-2.53	9.47	9.47	9.47	9.47	33.27	44.27	44.27	44.27	0.41
Onix Alpha XI1 Balanced Out	13.41	13.41	13.41	13.41	13.41	26.72	44.72	44.72	44.72	0.41
Sansa Clip+	-12.01	-3.01	-3.01	-3.01	-3.01	-10.95	0.30	6.02	29.69	0.41
Musiland Monitor 03 US	-3.78	4.22	4.22	4.22	4.22	27.86	35.85	35.85	35.85	0.41
Shanling M3s Balanced Out	8.24	8.24	8.24	8.24	8.24	35.93	44.04	44.04	44.04	0.42
Hiby R5 II Class A Mode On Single-ended Out	6.91	6.91	6.91	6.91	6.91	38.19	39.18	39.18	39.18	0.42
OPPO HA-1 Single-ended Out	16.69	16.69	16.69	16.69	16.69	40.54	43.21	44.55	46.88	0.42
Luxury & Precision W2 Balanced Out	10.83	10.83	10.83	11.72	11.72	28.05	38.63	39.51	39.51	0.44
Topping NX4	11.94	13.94	13.94	14.94	14.94	22.37	38.20	38.20	38.20	0.44
iBasso DX120 Single-ended Out	4.95	4.95	4.95	4.95	4.95	35.84	39.70	39.70	40.70	0.44
iBasso DX160 Hi Gain Single-ended Out	8.10	9.10	9.10	10.10	10.10	38.42	40.42	40.42	40.42	0.46
Luxury & Precision W2-131 Balanced Out	11.89	11.89	11.89	11.89	11.89	25.17	39.09	39.09	39.33	0.46
iFi NEO iDSD Balanced Out	5.95	13.95	14.95	14.95	14.95	19.06	45.62	46.25	46.25	0.47
iBasso DX 320 AMP11 Balanced Out	14.83	16.83	16.83	16.83	16.83	16.79	43.16	43.16	43.16	0.49
Grado RA-1	16.06	16.06	16.06	16.06	16.06	14.80	23.37	30.05	35.24	0.50
Westone Bluetooth Cable V2 WBTV2	-12.22	-12.22	-12.22	-12.22	-12.22	23.54	23.54	23.54	23.54	0.50
Lotoo PAW 6000 Single-ended Out	5.29	8.29	8.29	8.29	8.29	36.16	38.51	38.51	38.51	0.50
Hiby FD3 Balanced Out	9.35	12.35	12.35	12.35	12.35	22.08	29.33	37.20	39.05	0.52
iBasso DX240 AMP8 MK2 Balanced Out	15.33	15.33	15.33	15.33	15.33	14.02	31.58	44.46	44.46	0.52
Burson Audio Conductor 3X Reference Hi Level Single-ended Out	9.43	21.43	21.43	21.43	21.42	38.86	51.40	54.20	54.20	0.52
Hidizs S9 Pro Balanced Out	12.21	12.21	12.21	12.21	12.21	15.33	31.35	36.97	36.97	0.53
ASUS ROG Strix Fusion 700 USB EQ 0 Boost On	-1.73	-1.73	-1.73	-1.73	-1.73	17.74	34.00	34.00	34.00	0.53
TempoTec V1-A	-0.09	-0.09	-0.09	-0.09	-0.09	33.67	33.67	33.67	33.67	0.54
iBasso DX240 AMP1 Mk3 Balanced Out	15.42	15.42	15.42	15.42	15.42	43.32	45.32	45.32	45.32	0.55
iFi ZEN CAN Signature 6XX (+18 dB) Balanced Out	19.62	22.62	22.62	22.62	22.62	34.25	37.97	37.97	37.97	0.55
McIntosh MHA50 Low Gain	-16.41	-16.41	-16.41	-16.41	-16.41	10.15	19.21	19.21	19.21	0.56
McIntosh MHA50 Hi Gain	-18.55	6.45	6.45	6.45	6.45	16.06	36.07	36.07	36.07	0.56
Cayin N3	7.39	7.39	7.39	7.39	7.39	15.22	38.16	38.16	38.16	0.58
iBasso DX 170 Balanced Out	15.17	16.17	16.17	16.17	16.17	36.20	36.42	40.19	40.19	0.59
Hiby RS6 Single-ended Out	7.62	7.62	7.62	7.62	7.62	43.23	43.23	43.23	43.23	0.59
Unison Research SH For Hi Mode	-7.82	-5.83	-5.83	-5.83	-5.83	27.85	29.84	29.84	29.84	0.60
Astell&Kern KANN Single-ended Out	8.91	9.91	9.91	9.91	9.91	22.22	36.31	41.31	43.11	0.61
iBasso D-Zero	-0.95	0.05	0.05	0.05	0.05	3.13	10.13	15.27	15.87	0.61
Hiby RS2 Single-ended Out	4.36	4.36	4.36	4.36	4.36	36.68	38.02	38.02	38.02	0.62
Luxury & Precision P6 Pro Balanced Out	11.75	11.75	11.75	11.75	11.75	39.00	39.00	39.00	39.00	0.62
xDuoo XP-2 Low Gain	2.63	2.63	2.63	2.63	2.63	18.89	38.24	38.24	38.24	0.63
Cayin N5 MK2 Single-ended Out	-1.22	7.78	7.78	7.78	7.78	33.92	37.84	37.84	37.84	0.63
xDuoo XP-2 Hi Gain	8.68	8.68	8.68	8.68	8.68	22.14	35.98	35.31	38.28	0.64
Hiby R5 II Class A Mode Off Single-ended Out	6.09	6.09	6.09	6.09	6.09	6.70	20.94	36.75	36.75	0.64
Hiby RS8 Class A Single-ended Out	7.16	7.16	7.16	7.16	7.16	40.83	40.83	40.83	40.83	0.64
Hiby RS8 Class AB Single-ended Out	7.16	7.16	7.16	7.16	7.16	40.83	40.83	40.83	40.83	0.64
Hiby RS8 Class A Turbo Single-ended Out	9.19	9.19	9.19	9.19	9.19	42.82	42.82	42.82	42.82	0.65
Hiby RS8 Class AB Turbo Single-ended Out	9.19	9.19	9.19	9.19	9.19	42.82	42.82	42.82	42.82	0.65
Hiby R5 II Class A Mode On Balanced Out	11.96	11.96	11.96	11.96	11.96	36.54	41.92	41.92	41.92	0.65
Fosi Audio DS2 (CS43131) Single-Ended Out	6.07	6.07	6.07	6.07	6.07	22.97	36.74	37.74	37.74	0.65
Astell&Kern AK380 AMP Norm Gain Single-ended Out	5.30	5.30	5.30	5.30	5.30	22.31	32.20	36.17	36.17	0.65
Benjie K9	-5.56	-5.56	-5.56	-5.56	-5.56	17.85	24.70	30.03	30.03	0.65
Astell&Kern AK380 AMP Hi Gain Single-ended Out	9.76	9.76	9.76	10.76	10.76	22.68	34.57	39.21	39.21	0.65
Beyerdynamic IMPACTO essential	-7.68	-7.68	-7.68	-7.68	-7.68	12.08	16.00	27.95	27.95	0.66
Hiby RS2 Balanced Out	10.39	10.39	10.39	10.39	10.39	37.43	37.43	37.43	37.43	0.66
iBasso DX150 AMP6 Balanced Out	12.45	13.45	13.45	13.45	13.45	39.74	39.74	39.74	40.74	0.67
Hiby RS8 Class AB Balanced Out	11.18	11.18	11.18	11.18	11.18	43.34	43.34	43.34	43.34	0.69
Hiby RS8 Class A Balanced Out	11.18	11.18	11.18	11.18	11.18	42.77	43.34	43.34	43.34	0.70
Hiby RS8 Class A Turbo Balanced Out	13.16	13.16	13.16	13.16	13.16	45.84	45.84	45.84	45.84	0.70
Hiby RS8 Class AB Turbo Balanced Out	13.17	13.17	13.17	13.17	13.17	45.84	45.84	45.84	45.84	0.70
Hiby RS6 Balanced Out	13.61	13.61	13.61	13.61	13.61	43.65	43.65	43.65	43.65	0.73
Fosi Audio DS2 (CS43131) Balanced Out	12.10	12.10	12.10	12.10	12.10	22.29	38.76	38.76	38.76	0.74
Burson Audio Conductor 3? Performance Balanced Out	12.65	24.65	24.65	24.65	24.65	37.10	53.80	54.79	55.27	0.74
Xiaomi Redmi Note 4X PowerAmp	-4.75	-4.75	-4.75	-4.75	-4.75	9.17	15.17	30.86	30.86	0.74
Digma S4	-5.02	-5.02	-5.02	-5.02	-5.02	0.43	21.79	30.48	30.48	0.75
Shanling MW 200	-1.09	-1.09	-1.09	-1.09	-1.09	22.56	29.93	32.69	32.69	0.75
iBasso DX200 AMP1 Balanced Out	-2.48	15.52	15.52	15.52	15.52	33.11	44.72	44.72	44.72	0.76
Xiaomi Redmi Note 4X Android 6 24 bit	-88.86	-4.74	-4.74	-4.74	-4.74	-53.27	17.91	21.46	30.85	0.76
Musatoff HA-5 Hi Gain	16.21	16.21	16.21	16.21	16.21	29.27	35.32	42.73	43.40	0.77
QLS Quloos QA390 Super Hi - Mid Balanced Out	19.87	19.87	19.87	19.87	19.87	22.02	49.52	49.52	49.67	0.77
Astell&Kern A&norma SR15 Single-ended Out	5.77	5.77	5.77	5.77	5.77	22.63	30.40	30.40	30.40	0.78
Creative Sound Blaster X7 LE Hi Gain	14.66	15.66	15.66	15.66	15.66	40.20	46.08	46.08	46.08	0.78
Xiaomi Redmi Note 4X VLC OpenES	-90.17	-0.78	-0.78	-0.78	-0.78	-54.63	17.50	21.05	32.81	0.80
Cayin N3 Pro Triode Tube Mode Single-ended Out	-19.83	-6.94	-4.06	-2.20	-2.20	15.60	28.52	31.41	33.28	0.82
Cayin N3 Pro Ultralinear Tube Mode Single-ended Out	-19.10	-5.97	-2.99	-1.10	-1.10	16.51	29.63	32.62	34.53	0.82
Ensoniq ES1370	9.11	9.11	9.11	9.11	9.11	29.79	43.73	43.73	43.73	0.83
Cayin N3 Pro Transistor Mode Single-ended Out	7.09	9.09	9.09	9.09	9.09	25.17	42.09	42.09	42.09	0.83
QLS Quloos QA390 Super Hi - Low Balanced Out	14.90	15.90	15.90	15.90	15.90	9.35	48.70	48.70	48.70	0.84
LG G7 Hi-Fi Quad DAC On, Low impedance headphone connected (16-30 ohm)	-8.64	-8.64	-8.64	-8.64	-8.64	15.02	26.97	26.97	26.97	0.85
LG G7 Hi-Fi Quad DAC On, Hi impedance headphone connected (60-300 ohm)	6.10	6.10	6.10	6.10	6.10	8.72	33.68	34.45	34.45	0.86
LG G7 Hi-Fi Quad DAC On, without impedance headphone connected	0.39	0.39	0.39	0.39	0.39	14.80	28.56	29.11	29.11	0.87
Musatoff HA-5 Low Gain	6.58	6.58	6.58	6.58	6.58	30.20	32.08	34.08	37.75	0.89
Cayin i5	9.52	7.25	7.25	7.25	7.25	30.39	41.00	41.00	41.00	0.91
Hiby New R6 Single-ended Out	7.75	7.75	8.75	8.75	8.75	20.90	35.42	35.42	35.42	0.92
KZ Bluetooth module	-10.42	-10.42	-10.42	-10.42	-10.42	-4.22	-0.42	25.06	25.06	0.92
Burson Audio Conductor 3X Reference Hi Level Balanced Out	6.71	27.71	27.71	27.71	27.71	37.85	39.30	55.79	56.11	0.98
xDuoo XP-2 Pro	2.79	8.79	8.79	8.79	8.79	27.95	37.89	37.89	37.89	0.99
FiiO X3 III Low Gain Single-ended Out	1.51	1.51	1.51	1.51	1.51	36.73	36.73	36.73	36.73	1.00
FiiO X3 III Low Gain Balanced Out	-1.39	2.61	2.61	2.61	2.61	33.95	36.95	36.95	36.95	1.00
FiiO X3 III Hi Gain Balanced Out	-3.38	5.62	8.62	8.62	8.62	28.80	36.24	36.24	36.24	1.00
FiiO X3 III Hi Gain Single-ended Out	6.60	7.60	7.60	7.60	7.60	37.04	37.04	37.04	37.04	1.00
FiiO K5 Pro Low Gain	-3.11	2.89	5.89	5.89	5.89	32.40	38.40	41.40	41.40	1.01
FiiO X5-III Single-ended Out	3.81	8.81	8.81	8.81	8.81	38.25	44.25	44.25	44.25	1.01
FiiO K5 Pro Mid Gain	0.29	9.28	12.28	12.28	12.28	35.81	41.49	46.79	46.79	1.01
Loxjie D20 Current Max Mode	12.02	12.02	12.02	12.02	12.02	27.90	47.48	47.48	0.00	1.02
Loxjie D20 Current Min Mode	12.03	12.03	12.03	12.03	12.03	27.67	47.48	47.48	47.48	1.02
Loxjie D20 Current Mid Mode	12.02	12.02	12.02	12.02	12.02	30.07	47.48	47.48	47.48	1.02
Noname ESS ES9280C PRO	5.92	5.92	5.92	5.92	5.92	12.49	34.14	34.14	34.14	1.03
FiiO X1 MK2	3.52	3.52	3.52	3.52	3.52	10.31	22.95	36.98	36.98	1.04
Astell&Kern Kann Cube Hi Gain Single-ended Out	11.61	15.61	15.61	15.61	15.61	25.62	32.58	32.58	32.78	1.04
FiiO E10K Olympus 2 Low Gain Bass Off	-29.29	0.71	0.71	0.71	0.71	6.17	36.17	36.17	36.17	1.04
xDuoo X20 Balanced Out	10.30	10.30	10.30	10.30	10.30	38.04	39.74	39.74	39.74	1.04
Astell&Kern Kann Cube Mid Gain Single-ended Out	11.08	12.08	12.08	12.08	12.08	21.58	32.98	32.98	33.04	1.04
FiiO K5 Pro Hi Gain	4.01	13.00	13.00	16.00	16.00	35.51	48.49	48.49	50.48	1.04
Astell&Kern Kann Cube Low Gain Single-ended Out	6.10	6.10	6.10	6.10	6.10	20.10	30.04	30.59	30.59	1.05
iBasso D10 Cobra	-17.76	-4.76	-3.75	-3.75	-3.75	17.68	30.66	31.66	31.66	1.05
Musatoff HA-8 Hi Gain	18.29	18.29	19.29	19.29	19.29	32.20	36.00	37.40	44.30	1.05
FiiO E10K Olympus 2 Hi Gain Bass Off	-22.47	7.53	7.53	7.53	7.53	9.30	37.72	37.72	37.72	1.06
FiiO M15 Single-ended Out	-1.92	13.08	13.08	13.08	13.08	32.49	44.49	44.49	44.49	1.07
Sabaj PHA1 Jack 6.3	8.05	12.05	12.05	12.05	12.05	22.13	32.67	36.41	36.89	1.07
Musatoff HD-15 Low	6.48	6.48	6.48	6.48	6.48	39.90	41.90	41.90	41.90	1.07
Hiby R5 II Class A Mode Off Balanced Out	12.07	12.07	12.07	12.07	12.07	6.21	19.09	39.04	39.04	1.08
iBasso DX120 Balanced Out	10.97	10.97	10.97	10.97	10.97	38.89	39.89	39.89	39.89	1.09
Aune B1s Class A- Hi Gain	12.39	12.39	13.39	13.39	13.39	21.25	21.59	22.25	22.59	1.10
Aune B1s Class A+ Low Gain	5.35	5.35	5.35	5.35	5.35	27.28	27.96	27.96	28.28	1.10
Musatoff HD-15 Hi	20.01	21.01	21.01	21.01	21.01	38.84	44.87	53.18	54.18	1.11
Creative Sound BlasterX AE-5 HP Out	14.46	14.46	14.46	14.46	14.46	37.81	41.88	41.88	41.88	1.11
Aune B1s Class A+ Hi Gain	12.20	12.20	12.20	13.20	13.20	27.00	27.68	27.99	27.99	1.11
CEntrance HiFi-M8 V2 6.3 Single-ended Out	0.60	9.60	9.60	9.60	9.60	17.74	25.55	33.22	40.04	1.12
Audirect Beam 3 plus Single-ended Out	6.02	6.02	6.02	6.02	6.02	27.25	38.96	38.96	38.96	1.12
HiFiMan HM-601 MM4	6.24	6.24	6.24	6.24	6.24	36.65	37.15	37.15	37.15	1.12
Musatoff HA-11 Low Gain	6.58	6.58	6.58	6.58	6.58	29.33	32.26	32.26	32.26	1.13
DAART Aquila II Single-ended Out	17.49	17.49	17.49	17.49	17.49	45.04	49.37	49.37	49.37	1.13
Musatoff HA-11 Hi Gain	17.12	17.12	17.12	17.12	17.12	28.43	32.74	34.24	35.99	1.14
RHA Bluetooth Cable (CL2 Planar)	-8.04	-8.04	-8.04	-8.04	-8.04	27.27	27.27	27.27	27.27	1.14
Creative SoundBlasterX G6 Low Gain	1.88	1.88	1.88	1.88	1.88	5.82	35.29	35.29	35.29	1.14
Musatoff HA-5SE	17.32	17.32	17.32	18.32	18.32	32.05	36.19	43.76	43.76	1.14
Audirect Beam 2 Single-ended Out	-2.06	-2.06	-2.06	-2.06	-2.06	17.52	33.29	33.29	33.29	1.15
Creative SoundBlasterX G6 Hi Gain	10.03	14.03	14.03	14.03	14.03	10.50	38.64	39.93	39.93	1.15
Creative SoundBlasterX G6 External power	8.17	13.16	13.16	13.16	13.16	12.12	40.55	40.55	40.55	1.15
Musatoff HA-8 Low Gain	6.58	6.58	6.58	6.58	6.58	30.12	33.31	35.68	41.99	1.15
Creative Sound BlasterX AE-9 High Mode	15.01	15.01	15.01	15.01	15.01	30.52	43.40	43.40	43.40	1.15
Creative Sound BlasterX AE-9 Normal Mode	10.03	10.03	10.03	10.03	10.03	30.79	43.43	43.43	43.43	1.16
Creative Sound BlasterX AE-9 Iem Mode	4.01	4.01	4.01	4.01	4.01	31.40	39.41	39.41	39.41	1.16
Apple iPad mini	-0.13	-0.13	-0.13	-0.13	-0.12	-1.23	25.76	34.29	34.29	1.16
Cowon Plenue M2	5.97	5.97	5.97	5.97	5.97	13.95	20.44	25.32	41.47	1.16
ASUS Essence One Mod V	15.49	15.49	15.49	16.49	16.49	32.34	42.52	42.85	45.85	1.17
HiFiMan HM-700 Balanced Out	2.57	2.57	2.57	2.57	2.57	-14.36	17.11	29.31	37.99	1.17
HiFiMan Bluemini	5.93	5.93	5.93	5.93	5.93	-1.44	35.97	41.35	41.35	1.17
Colorful Colorfly C4 Pro Jack 6.3	0.95	4.95	4.95	4.95	4.95	36.77	40.76	40.76	40.76	1.20
Benjie S5	-5.93	-5.93	-5.93	-5.93	-5.93	14.70	17.17	26.43	29.13	1.25
Singxer SA-1	22.63	22.63	22.63	22.63	22.63	45.46	58.00	58.00	58.00	1.25
OPPO HA-2	7.55	8.55	8.55	8.55	8.55	29.89	40.03	42.03	42.03	1.26
FiiO X7 II Single-ended Out	6.98	6.98	6.98	6.98	6.98	40.05	40.05	40.05	40.05	1.28
Colorful Colorfly CK4	-5.66	-5.66	-5.66	-5.66	-5.66	6.70	18.13	24.38	30.14	1.30
iBasso DX160 Hi Gain Balanced Out	13.14	16.14	16.14	16.14	16.14	40.60	41.60	41.60	41.60	1.30
Xiaomi Mi A1 Neutron	-0.02	-0.02	-0.02	0.98	0.98	9.44	15.74	31.00	32.29	1.30
Xiaomi Mi A1 VLC OpenSL ES	-84.13	5.97	5.97	5.97	5.97	-63.28	28.83	28.83	28.83	1.30
iBasso DX220 Max Hi Gain Single-ended Out	12.86	12.86	12.86	12.86	12.86	32.47	47.19	47.19	47.19	1.35
CEntrance DACPort HD	2.80	8.80	8.80	8.80	8.80	18.80	26.16	34.85	42.13	1.36
Lotoo PAW Pico	-7.08	-6.08	-6.08	-6.08	-6.08	3.06	25.53	26.53	27.53	1.40
Cayin N3 Pro Balanced Out	15.16	15.16	15.16	15.16	15.16	36.96	46.90	46.90	46.90	1.45
Astell&Kern AK380 AMP Hi Gain Balanced Out	15.74	15.74	15.74	15.74	15.74	21.38	32.90	39.25	40.14	1.51
Astell&Kern A&norma SR15 Balanced Out	11.79	11.79	11.79	11.79	11.79	20.70	31.03	31.03	31.03	1.51
KEF Bluetooth Receiver Motion One	8.59	8.59	8.59	8.59	8.59	44.03	45.03	45.03	45.03	1.61
Unison Research SH For Low Mode - Line in	-13.52	3.46	4.45	4.45	4.45	17.84	35.79	36.78	36.78	1.61
Unison Research SH For Low Mode	1.40	4.38	4.38	4.38	4.38	21.30	37.53	37.53	37.53	1.62
Lotoo PAW 5000 MKII Single-ended Out	7.96	8.96	8.96	8.96	8.96	29.13	38.13	38.13	38.13	1.62
LG G7 Hi-Fi Quad DAC Off, Low impedance headphone connected (16-30 ohm)	-9.28	-9.28	-9.28	-9.28	-9.28	11.14	25.92	25.92	25.92	1.67
LG G7 Hi-Fi Quad DAC Off, Hi impedance headphone connected (60-750 ohm)	-5.10	-5.10	-5.10	-5.10	-5.10	20.82	30.10	30.10	30.10	1.67
Astell&Kern KANN Balanced Out	14.89	14.89	14.89	15.85	15.85	23.47	36.34	40.85	41.05	1.67
Oriolus DPS-L2 Balanced Out	10.78	10.78	10.78	10.78	10.78	41.43	42.43	42.43	42.43	1.68
LG G7 Hi-Fi Quad DAC Off, without impedance headphone connected	-2.17	-2.17	-2.17	-2.17	-2.17	21.22	30.97	32.98	32.98	1.70
Lotoo PAW 6000 Balanced Out	9.80	9.80	9.80	9.80	9.80	37.87	38.37	38.37	38.37	1.73
Lotoo Paw Gold	6.97	7.97	7.97	7.97	7.97	21.83	38.86	38.86	38.86	1.80
Oriolus DP100 Balanced Out	7.97	7.97	7.97	7.97	7.97	29.20	29.50	29.50	29.50	1.81
FiiO X1	3.37	3.37	3.37	3.37	3.37	6.71	36.43	36.43	36.43	1.82
Cowon D2+	-3.11	-1.11	-1.13	-1.11	-1.11	-17.67	-5.08	3.50	30.86	1.83
Shanling M1	-1.09	0.91	0.91	0.91	0.91	6.26	15.09	35.96	35.96	1.84
Astell&Kern AK300 Single-ended Out	5.75	5.75	5.75	5.75	5.75	17.43	25.14	27.55	28.81	1.86
Hiby R3 Pro Saber Single-ended Out	5.40	5.40	5.40	5.40	5.40	4.57	36.08	36.08	36.08	1.90
DIY Monster Zen	13.76	13.76	13.76	13.76	13.76	47.79	48.79	48.79	48.79	1.90
Audirect Beam 3 plus Balanced Out	12.05	12.05	12.05	12.05	12.05	16.56	38.83	39.07	39.07	1.93
FiiO X7 II Balanced Out	13.00	13.00	13.00	13.00	13.00	30.72	42.92	42.92	42.92	1.94
Creative Sound BlasterX AE-5 Line Out	6.36	6.36	6.36	6.36	6.36	26.41	26.91	26.91	26.91	1.94
HiFiMan HM700 Single-ended Out	-2.89	-2.89	-2.89	-2.89	-2.89	30.95	31.96	31.96	31.96	1.95
Cayin N6 MK2 (E02) Hi Gain	12.02	12.02	12.02	13.02	13.02	37.88	46.12	46.12	46.12	1.95
Hiby R3 Pro Saber Balanced Out	11.60	11.60	11.60	11.60	11.60	11.20	24.77	38.58	38.58	1.97
Audinst HUD-DX1 Low Gain (USB Power)	2.33	3.33	3.33	3.33	3.33	29.66	31.28	32.39	32.39	1.99
Audinst HUD-DX1 Hi Gain (Default Power)	14.30	14.30	14.30	14.30	14.30	39.25	45.86	45.86	46.86	1.99
Audinst HUD-DX1 Hi Gain (Robitron Power 12V 0.8A)	14.30	14.30	14.30	14.30	14.30	31.84	44.85	44.85	45.85	1.99
Audinst HUD-DX1 Low Gain (Default Power)	14.30	14.30	14.30	14.30	14.30	37.89	45.78	46.78	46.78	1.99
Audinst HUD-DX1 Low Gain (Robitron Power 12V 0.8A)	14.31	14.31	14.31	14.31	14.31	32.04	44.93	44.93	44.93	1.99
theBit OPUS 2 Single-ended Out	6.69	6.69	6.69	6.69	6.69	16.03	23.62	26.63	29.87	1.99
Lotoo PAW 5000 MKII Balanced Out	7.97	8.97	8.97	8.97	8.97	27.06	37.78	37.78	38.01	2.00
Audinst HUD-DX1 Hi Gain (USB Power)	2.58	3.58	3.58	3.58	3.58	31.25	33.25	33.25	33.25	2.01
iBasso DX 320 AMP12	17.94	17.94	17.94	17.94	17.94	30.66	39.99	39.99	40.21	2.02
Astell&Kern AK320 Single-ended Out	6.73	6.73	6.73	6.73	6.73	17.86	23.95	25.70	26.23	2.02
FiiO X5-III Balanced Out	8.76	8.76	8.76	8.76	8.76	37.46	43.69	43.69	43.69	2.04
Astell&Kern AK380 AMP Norm Gain Balanced Out	5.35	5.35	5.35	5.35	5.35	19.20	31.75	36.07	36.07	2.11
FiiO M15 Balanced Out	3.60	18.60	18.60	18.60	19.92	37.87	43.71	43.71	43.71	2.11
CEntrance HiFi-M8 V2 XLR Balanced Out	0.61	15.61	15.61	15.61	15.61	17.15	23.15	29.15	35.14	2.15
DAART Aquila II Balanced Out	23.14	23.14	23.14	23.14	23.14	47.82	48.05	48.05	48.05	2.16
Apple iPhone 5S	0.18	0.18	0.18	0.18	0.18	15.06	31.85	34.06	34.06	2.16
Lynx Audio HA-61	19.01	20.01	20.01	20.01	20.01	44.34	53.88	53.88	53.88	2.16
FiiO X5-III Turbo Mode Balanced Out	14.07	14.07	14.07	14.07	14.07	36.27	45.91	45.91	45.91	2.20
DIY HeadAMP lakkarius	17.39	18.39	18.39	19.39	19.39	50.21	53.20	53.20	53.20	2.21
iBasso DX 320 AMP13 Hi Out	9.47	12.38	12.38	12.38	12.38	30.66	37.69	37.69	37.69	2.25
xDuoo XD-05 Basic Mid Gain	11.15	11.15	11.15	11.15	12.40	41.85	41.85	41.85	41.85	2.27
xDuoo XD-05 Basic Hi Gain	11.15	11.15	11.15	11.15	22.10	41.85	41.85	41.85	41.85	2.27
xDuoo XD-05 Basic Low Gain	9.94	9.94	9.94	9.94	9.94	38.99	42.11	42.11	42.11	2.27
xDuoo XD-05 Plus Mid Boost Off	12.13	12.13	12.13	12.13	12.13	16.24	25.94	41.99	41.99	2.27
Cowon D2	-3.13	-1.13	-1.13	-1.13	-1.13	-12.88	-2.89	1.54	29.91	2.27
xDuoo XD-05 Plus Mid Boost On	12.13	12.13	12.13	12.13	12.13	19.10	26.90	43.98	43.98	2.28
xDuoo XD-05 Plus Low Boost Off	9.95	9.95	9.95	9.95	9.95	19.19	24.47	41.80	42.80	2.28
xDuoo XD-05 Plus Hi Boost On	18.07	18.07	18.07	18.07	18.07	15.18	44.19	44.19	44.19	2.28
xDuoo XD-05 Plus Low Boost On	9.96	9.96	9.96	9.96	9.96	21.07	36.28	44.80	44.80	2.28
xDuoo XD-05 Plus Hi Boost Off	12.78	12.78	12.78	12.78	12.78	16.20	42.21	42.21	42.21	2.29
Astell&Kern Kann Cube Mid Gain Balanced Out	17.66	17.66	17.66	17.66	17.66	19.72	32.30	32.30	32.30	2.31
Astell&Kern Kann Cube Hi Gain Balanced Out	15.16	21.16	21.16	21.16	21.16	18.99	31.92	31.92	31.92	2.31
DAART Canary II	16.85	16.85	16.85	16.85	16.85	40.54	47.02	47.02	47.02	2.31
Luxury & Precision L3 Pro DSD Single-ended Out	1.55	1.55	1.55	1.55	1.55	36.38	36.38	36.38	36.38	2.32
Astell&Kern Kann Cube Low Gain Balanced Out	11.72	11.72	11.72	11.72	11.72	19.80	29.13	29.13	29.13	2.36
Luxury & Precision L3 DSD Single-ended Out	1.42	1.42	1.42	1.42	1.42	21.11	36.23	36.23	36.23	2.36
HiFiMan HM-801 SM SYMMcard 7.2	11.91	11.91	11.91	11.91	11.91	46.69	46.69	46.69	46.69	2.39
Creative Sound Blaster E5	9.75	14.75	14.75	14.75	14.78	34.65	34.65	34.65	34.65	2.40
AuGlamour GR-1	7.93	8.93	8.93	9.93	9.93	24.13	32.30	32.30	33.30	2.42
iFi Pro iDSD Solid-State Hi Gain Single-ended Out	10.37	10.37	11.35	11.35	11.35	36.31	45.09	46.08	46.08	2.51
Audirect Beam 2 Balanced Out	3.63	3.63	3.63	3.63	3.63	23.67	38.38	38.38	38.38	2.52
Lenovo s820	-13.31	-13.31	-13.31	-13.31	-13.31	21.34	21.34	21.34	21.34	2.53
iBasso DC05	6.03	6.03	6.03	6.03	6.03	25.53	32.00	33.73	33.73	2.56
iFi Pro iDSD Tube+ Hi Gain Single-ended Out	11.78	11.78	12.77	12.77	12.77	34.57	46.35	47.31	47.31	2.61
iFi Pro iDSD Tube Hi Gain Single-ended Out	8.84	8.84	9.83	9.83	9.83	29.75	43.52	44.49	44.49	2.61
Meizu 16	0.25	0.25	0.25	0.25	0.25	29.73	31.72	31.72	31.72	2.62
iFi Pro iDSD Solid-State Hi Gain Balanced Out	17.32	17.32	17.32	18.32	18.32	32.64	47.52	47.52	47.51	2.69
Dared EF-99 Low Gain	3.23	5.20	5.20	6.16	6.16	34.66	38.82	38.82	38.82	2.82
iFi Pro iDSD Tube Hi Gain Balanced Out	14.55	14.55	14.55	15.53	15.53	31.75	45.31	45.31	46.27	2.92
iFi Pro iDSD Tube+ Hi Gain Balanced Out	18.61	18.61	18.61	19.61	19.61	34.39	46.11	46.11	46.11	2.95
iBasso DX220 Max Hi Gain Balanced Out	18.58	18.58	18.58	18.58	18.58	38.98	50.20	50.20	50.20	2.98
New Bee NB-1	-59.95	-59.95	-0.37	-0.37	-0.37	-26.05	-26.05	31.48	31.48	3.01
ONN X6	-2.76	-2.76	-2.76	-2.76	-2.76	-3.83	0.72	0.72	31.80	3.05
iBasso DC01	5.59	5.59	5.59	5.59	5.59	7.70	20.31	35.89	36.04	3.09
MyST DAC 1866OCU V.2	17.64	17.64	17.64	17.64	17.64	51.02	51.02	51.02	51.02	3.17
ASUS ZenFone Max Pro (M1) AIMP OpenSL On	-0.09	-0.09	-0.09	-0.09	-0.09	9.49	22.59	29.18	31.33	3.18
ASUS ZenFone Max Pro (M1) Neutron	-10.65	-10.65	-10.65	-10.65	-10.65	5.68	23.78	23.78	23.78	3.19
Sony Walkman NW-A35	-12.68	-4.68	-0.68	-0.68	-0.68	6.35	22.36	26.98	33.71	3.19
ASUS ZenFone Max Pro (M1) Poweramp 384	0.28	0.28	0.28	0.28	0.28	8.08	22.51	29.61	34.70	3.21
xDuoo MT-602	4.41	19.22	19.22	19.22	19.22	26.65	35.79	43.45	43.45	3.24
Pioneer XDP-300R Single-ended Out	5.82	5.82	5.82	5.82	5.82	18.66	26.43	34.66	34.66	3.38
Astell&Kern AK70 Single-ended Out	6.88	6.88	6.88	6.88	6.88	19.19	25.79	26.23	26.23	3.40
Astell&Kern AK240 Single-ended Out	6.48	6.48	6.48	6.48	6.48	17.65	23.82	27.13	28.64	3.42
Mackie Onyx Artist 12	7.90	7.90	7.90	7.90	7.90	11.23	23.00	34.52	41.75	3.45
DIY 6N2-FU32 Out 2	-3.38	2.62	7.62	8.61	8.61	30.33	36.31	43.29	45.28	3.50
Onkyo Granbeat DP-CMX1 Single-ended Out	5.91	5.91	5.91	5.91	5.91	14.52	26.73	35.18	35.18	3.52
Luxury & Precision L5 Pro	9.12	9.12	9.12	9.12	9.12	31.41	41.01	42.03	42.03	3.66
DIY 6N2-FU32 Out 1	1.17	7.17	10.17	10.17	10.17	30.61	42.85	43.85	44.84	3.70
QLS Quloos QA390 Hi - Hi Balanced Out	18.21	18.21	18.21	18.21	18.21	38.39	40.89	40.89	40.89	4.02
QLS Quloos QA390 Hi - Low Single-ended Out	9.65	9.65	9.65	9.65	9.65	10.88	39.36	41.21	41.21	4.02
QLS Quloos QA390 Super Hi - Hi Single-ended Out	17.55	19.55	19.55	19.55	19.55	37.74	40.49	50.12	50.12	4.06
Apple iPhone 5	0.22	0.22	0.22	0.22	0.22	-0.77	29.58	32.04	32.04	4.10
QLS Quloos QA390 Super Hi - Mid Single-ended Out	13.84	13.84	13.84	13.84	13.84	19.93	39.90	44.91	44.91	4.17
Topping DX7 Pro Hi Gain Single-ended Out	15.46	15.46	15.46	15.46	15.46	42.90	47.20	47.20	47.20	4.45
theBit OPUS 2 Balanced Out	7.51	7.51	7.51	7.51	7.51	11.56	17.05	20.22	22.94	4.49
Aureal Vortex AU8830A2 BA88DL30A-01	2.87	2.87	2.87	2.87	2.87	10.46	24.25	35.10	35.10	4.52
Topping DX7 Pro Low Gain Single-ended Out	9.37	9.37	9.37	9.37	9.37	42.11	43.11	43.11	43.11	4.57
Shanling M2s	5.24	6.24	6.24	6.24	6.24	32.34	38.94	38.94	38.94	4.62
Apple Ipod 5.5 Gen	-0.85	0.15	0.15	0.15	0.15	-7.81	2.33	30.53	30.53	4.68
Luxury & Precision L3 Pro DSD Balanced Out	1.55	7.54	7.54	7.54	7.54	25.55	41.31	41.31	41.31	4.73
Logan Musical Yuer 2i2	2.83	2.83	2.83	2.83	2.83	7.18	15.75	31.50	31.50	4.75
Nexum AQUA	-2.91	3.09	3.09	3.09	3.09	6.34	11.31	30.81	30.81	4.78
Shanling M2	4.86	5.86	5.86	5.86	5.86	30.95	38.54	38.54	38.54	4.86
HiFiMan EF 400 Single-ended Out	17.18	17.18	17.18	17.18	20.00	43.76	47.81	48.66	48.66	4.90
Benjie X1	-5.96	-5.96	-5.96	-5.96	-5.96	14.12	19.77	28.99	28.99	4.96
Luxury & Precision L3 DSD Balanced Out	-4.53	7.46	7.46	7.46	7.46	23.11	41.08	41.08	41.08	5.00
Westone Bluetooth Cable V1 WBTV1	-8.90	-8.90	-8.90	-8.90	-8.90	13.36	19.76	25.28	25.28	5.02
Hidizs AP200	3.03	3.03	3.03	3.03	3.03	28.04	36.58	36.58	36.58	5.29
MUSE AUDIO TU-10	-7.86	-1.77	4.37	4.37	4.37	13.23	21.64	27.99	28.74	5.33
Dared HPA-55L Single-ended Out	-5.44	5.56	5.56	5.56	5.56	19.07	38.96	38.96	38.96	5.51
Nu Force uDAC	-9.27	-3.27	1.73	4.73	4.73	1.43	7.62	12.42	30.58	5.64
Inakustik Premium Headphone Amp. No. 1 Out 1	4.64	4.64	4.64	4.64	4.64	9.92	17.61	21.83	30.20	5.77
Noname FDBRO	-1.46	-1.46	-1.46	-1.46	-1.46	9.53	31.63	31.63	31.63	5.88
iBasso DX 320 AMP13 Low Out	3.21	9.05	9.05	9.05	9.05	22.42	31.81	31.81	31.81	6.06
Inakustik Premium Headphone Amp. No. 1 Out 2	4.32	5.33	5.33	5.33	5.33	9.75	17.29	23.13	34.78	6.09
Astell&Kern AK300 Balanced Out	5.73	5.73	5.73	5.73	5.73	11.88	16.00	16.83	17.40	6.19
LeEco Cool changer s1	-95.30	-95.30	-9.46	-9.12	-9.12	-62.22	-62.22	23.64	23.94	6.36
Astell&Kern AK320 Balanced Out	6.76	6.76	6.76	6.76	6.76	8.81	17.23	20.68	20.86	6.37
Dared EF-99 Mid Gain	9.81	11.76	11.76	11.76	11.76	26.49	32.25	38.54	38.54	6.39
Astell&Kern AK240 Balanced Out	7.34	7.34	7.34	7.34	7.34	9.82	15.84	17.69	19.64	6.41
Pro-Ject Head Box DS2 B 12 High Gain Single-ended Out	18.22	18.22	18.22	18.22	18.22	30.47	42.63	42.92	42.92	6.61
Pioneer XDP-300R Balanced Out	11.80	11.80	11.80	11.80	11.80	18.72	23.29	36.15	36.15	6.96
xDuoo TA-01	13.36	16.32	16.32	16.32	16.32	18.98	26.54	31.43	33.10	7.02
Onkyo Granbeat DP-CMX1 Balanced Out	11.90	11.90	11.90	11.90	11.90	14.28	24.84	36.66	36.66	7.20
Kennerton Ego	2.59	2.59	2.59	2.59	2.59	22.09	34.63	34.63	34.63	8.24
Kennerton Atlas EVGA Nu Audio	6.14	8.99	8.99	8.99	8.99	35.62	40.04	40.04	40.04	8.63
Kennerton Atlas Robitron	7.10	9.84	9.84	9.84	9.84	36.20	40.55	40.55	40.55	8.69
Kennerton Atlas Internal DAC	2.19	2.19	2.19	2.19	2.19	30.06	34.26	34.26	34.26	8.81
Topping DX7 Pro Hi Gain Balanced Out	21.12	21.12	21.12	21.12	21.12	46.01	46.01	46.01	46.01	9.40
Topping DX7 Pro Low Gain Balanced Out	15.39	15.39	15.39	15.39	15.39	45.24	45.79	45.79	45.79	9.59
HiFiMan EF 400 Balanced Out	23.33	23.33	23.33	23.33	26.40	47.47	47.47	47.47	47.47	9.75
Astell&Kern AK70 Balanced Out	6.91	6.91	6.91	6.91	6.91	16.42	24.58	25.08	25.08	9.86
MyST PortaDAC 1866OCUB v.3	8.67	8.67	8.67	8.67	8.67	38.24	39.20	39.20	39.20	9.98
ASUS Essence One	16.57	16.57	16.57	16.57	16.57	35.94	44.27	44.27	44.27	10.11
ASUS Essence One Muses Edition	15.57	16.57	16.57	16.57	16.57	38.08	44.27	44.27	44.27	10.12
SMSL sAp II	12.67	15.67	15.67	15.67	15.67	39.24	46.48	46.48	46.48	10.13
Nu Force Icon HD	12.46	17.45	17.45	17.45	17.45	39.20	44.04	44.04	44.44	10.14
Colorful Colorfly C4 Pro Jack 3.5	-4.42	-4.42	-4.42	-4.42	-4.42	30.89	30.89	30.89	30.89	10.14
Xuelin iHiFi 770C Default	-1.10	1.89	1.89	1.89	1.89	0.65	5.59	14.75	33.47	10.15
Xuelin iHiFi 770C Bright	-3.10	1.89	1.89	1.89	1.89	-1.84	8.55	12.55	36.18	10.15
KGUSS DAC-K3	-2.92	12.09	12.09	12.09	12.09	24.68	43.84	43.84	43.84	10.16
ASUS Essence One MKII Muses Edition	16.64	16.64	16.64	16.64	16.64	35.02	44.33	44.33	44.33	10.17
ASUS Essence ONE MKII Hi Gain	16.65	16.65	16.65	16.65	16.65	34.01	44.34	44.34	44.34	10.17
ASUS Essence ONE MKII Low Gain	5.21	5.21	5.21	5.21	5.21	32.59	36.87	36.87	36.87	10.21
SMSL sAp VI	11.58	15.58	15.58	15.58	15.58	18.03	31.53	35.47	35.47	10.22
Aune T1 Max	17.08	17.08	17.08	17.08	17.08	32.34	42.49	44.69	44.69	10.25
Aune T1 Low	4.63	4.63	4.63	4.63	4.63	30.54	36.31	36.31	36.31	10.26
ASUS STRIX RAID DLX Mid Gain	9.47	9.47	9.47	9.47	9.47	35.66	41.09	41.09	41.09	10.28
Xuelin iHiFi 960 Pro	4.28	4.28	4.28	4.28	4.26	30.22	35.93	35.93	35.93	10.31
Xuelin iHiFi 812 V2	9.61	9.61	9.61	9.61	9.61	40.25	40.25	40.25	40.25	10.32
Xuelin iHiFi 780 Out 1	-8.81	-7.81	-7.81	-7.81	-7.81	-0.80	7.66	16.68	23.84	10.32
ASUS STRIX RAID DLX Low Gain	4.04	4.04	4.04	4.04	4.04	35.66	35.66	35.66	35.66	10.34
LG 24MP76	-6.29	-3.29	-2.29	1.72	1.72	16.88	20.90	26.22	26.20	10.34
ASUS Xonar Essence STX Hi Gain	15.36	15.36	15.36	16.36	16.36	30.40	46.96	46.96	46.96	10.34
Aune X1s	18.06	18.06	18.06	18.06	18.06	25.71	33.08	43.61	43.61	10.35
Xuelin iHiFi 770 Out 1	-8.01	-4.01	0.99	0.99	0.99	-5.66	1.87	8.86	26.51	10.38
MyST DAC 2702 UAmp	19.38	20.38	20.38	21.38	21.38	19.36	44.40	44.40	44.40	10.50
ASUS ROG Xonar Phoebus	15.38	15.38	15.38	16.38	16.38	35.50	46.93	46.93	46.93	10.53
Cary Audio HH-1	12.89	17.88	18.88	18.88	18.88	33.30	35.26	35.64	35.83	10.55
HiFiMan HM-801 Power Amp OCL-A 819-10571 (10 Ohm)	7.04	9.04	9.04	9.04	9.04	8.68	20.42	38.37	39.59	10.60
ASUS Essence 3 Single-ended Out	14.73	14.73	15.73	15.73	15.73	33.23	40.66	43.27	43.27	10.69
Dared HPA-55L Balanced Out	6.93	11.93	11.93	11.93	11.93	20.38	41.51	41.51	41.51	10.71
Leaf Audio CMD-22 V1.2.3 Gliese LT1361	16.21	16.21	16.21	16.21	16.21	27.48	38.22	44.79	44.79	10.74
HiFiMan HM-603 Slim	8.09	8.09	8.09	9.09	9.09	2.24	9.34	38.50	40.04	10.75
Zishan DSDs Dual CS43198 Single-ended Out	11.91	11.91	11.91	11.91	11.93	5.23	31.47	36.12	36.12	10.77
Denon DA-10 Hi Gain	3.73	8.73	8.73	9.73	9.73	10.39	20.51	20.51	29.93	10.96
Sabaj D4	11.65	13.65	13.65	13.65	13.65	21.44	36.15	36.90	36.90	10.96
HiFiMan HM 802 Balanced Card Balanced Out	4.46	13.46	13.46	13.46	13.46	22.91	33.35	36.76	40.58	11.30
Turtle Beach Santa Cruz	0.89	1.88	1.88	1.88	1.88	3.85	9.98	13.48	31.37	11.33
Dared EF-99 Hi Gain	11.97	14.92	14.92	14.92	14.92	22.73	29.34	36.18	36.18	11.71
ASUS Xonar Essence STX Low Gain	-1.70	-1.70	-1.70	-1.70	-1.70	29.82	29.82	29.82	29.82	11.74
ASUS Xonar Essence STX Mid Gain	10.29	10.29	10.29	10.29	10.29	31.10	41.78	41.78	41.78	11.74
Weiliang Audio U9	13.95	13.95	13.95	13.95	13.95	26.69	29.44	29.44	30.38	12.16
Levz HA-S-029	18.55	19.54	19.54	20.54	20.54	32.57	34.72	35.29	35.74	12.34
Xuelin iHiFi 100	-11.12	-2.12	2.87	2.87	2.87	20.48	29.48	34.46	36.38	12.62
xDuoo TA-02	9.87	18.35	18.35	18.35	18.35	22.13	27.95	33.58	39.54	13.01
Pro-Ject Head Box DS2 B 18 High Gain Balanced Out	24.10	24.10	24.10	24.10	24.10	40.63	32.13	43.40	43.40	13.17
ASUS STRIX RAID DLX Hi Gain	15.45	15.45	15.45	15.45	15.45	38.10	44.76	44.76	44.76	14.16
Pro-Ject Head Box DS2 B 18 Low Gain Balanced Out	24.10	24.10	24.10	24.10	24.10	40.63	32.13	43.40	43.40	15.80
Lenovo G770	1.24	1.24	1.24	1.24	1.24	24.20	30.62	30.62	30.62	16.87
Xiaomi Redmi Note 4	-1.88	-1.88	-1.88	-1.88	-1.88	27.77	27.77	27.77	27.77	17.09
Creative Audigy Fx	-2.40	6.60	6.60	6.60	6.60	7.54	16.83	34.02	34.02	17.97
Creative Sound Blaster Omni Surround 5.1 Wasapi SSRC 96 kHz	6.25	6.25	6.25	6.25	6.25	16.03	31.65	31.65	32.65	17.98
Creative SoundBlaster Zx	6.23	6.23	6.23	6.23	6.23	13.74	33.61	33.61	33.61	18.07
HiFiMan HM-801 Power Amp Board V2.0	2.08	3.08	3.08	3.08	3.08	7.14	11.99	15.32	31.44	18.22
Creative Audigy 5/RX	5.81	6.81	6.81	6.81	6.81	13.61	19.60	33.60	33.60	19.42
Xiaomi Redmi Note 8 Pro UAPP	-3.70	-3.70	-3.70	-3.70	-3.70	25.23	25.23	25.23	25.23	19.94
iBasso CF01	-15.68	-0.69	-0.69	-0.69	-0.69	11.59	28.26	28.26	28.26	19.99
Zishan DSDs Dual CS43198 Balanced Out	10.62	10.62	10.62	10.62	10.60	14.40	37.47	37.47	37.47	20.25
ASUS Xonar U7	-0.62	2.37	2.37	2.37	2.37	-1.53	8.14	31.13	31.13	21.25
Pro-Ject Head Box DS2 B 12 Mid Gain Single-ended Out	18.63	18.63	18.63	18.63	18.63	30.63	41.25	41.25	41.25	21.36
Behringer UB 502	18.42	18.42	18.42	19.41	19.41	18.71	33.20	33.20	34.19	21.84
E-MU 1616m	10.79	15.79	15.79	15.79	15.79	19.51	25.08	27.40	31.20	22.06
Xiaomi Mi 9T Pro Neutron 44	-6.07	-6.07	-6.07	-6.07	-6.07	22.20	22.20	22.20	22.20	22.66
Loxjie P20 Default Power Single-ended Out	13.51	13.51	13.51	13.51	13.51	31.08	31.82	32.33	32.33	23.34
Loxjie P20 Linear Power Single-ended Out	13.51	13.51	13.51	13.51	13.51	31.80	32.65	33.65	33.65	23.34
Cayin HA-1AMK2 for 8-32 ohm	6.84	15.84	20.85	20.85	20.85	33.07	42.92	45.81	46.75	23.66
Tecsun HD-80	3.58	12.57	12.57	12.57	12.57	8.93	15.18	19.18	23.89	24.94
SMSL sAp-9 Single-ended Out	2.77	10.76	10.76	10.76	10.76	30.49	38.49	38.49	38.49	25.26
Creative Sound Blaster Live! 5.1 (SB0600)	6.28	6.28	6.28	6.28	6.28	26.37	32.68	32.68	32.68	31.70
Creative X-Fi Elite Pro Console (HP Out)	-2.58	6.42	6.42	6.42	6.42	17.60	31.87	31.87	31.87	32.41
Audiotrak Prodigy 7.1 AMP On	16.45	16.45	16.45	16.45	16.45	20.64	29.31	34.58	34.58	33.27
Creative X-Fi Elite Pro Front	6.41	6.41	6.41	6.41	6.41	17.74	28.64	28.64	28.64	34.07
Creative X-Fi Xtreme Gamer Fatal1ty Professional Series Creation Mode 44 kHz	1.54	6.54	6.54	6.54	6.54	17.99	30.14	30.14	31.36	35.20
ASUS K50IJ	0.91	0.91	0.91	0.91	0.91	18.57	26.01	26.01	26.01	40.45
Pro-Ject Head Box DS2 B 18 Mid Gain Balanced Out	24.10	24.10	24.10	24.10	24.10	40.63	32.13	43.40	43.40	42.70
Loxjie P20 Balanced Out	19.43	19.43	19.43	19.43	19.43	31.47	31.47	31.47	31.47	46.63
Acer Iconia Tab W500	-10.65	-7.65	-7.65	-7.65	-7.65	25.35	24.74	24.74	24.74	47.40
Pro-Ject Head Box DS2 B 12 Low Gain Single-ended Out	18.63	18.63	18.63	18.63	18.63	30.63	41.25	41.25	41.25	48.23
Creative SoundBlasterX G6 Line out	5.84	5.84	5.84	5.84	5.84	27.62	27.62	27.62	27.62	48.53
ASUS Essence 3 Balanced Out	12.52	14.52	16.48	16.48	16.48	31.10	39.35	41.33	41.33	48.81
Walnut V3 Balanced Out	17.41	17.41	17.41	17.41	17.41	21.05	30.66	30.66	30.66	48.88
Behringer MicroAmp Ha400	7.44	8.45	8.45	8.45	8.45	11.63	26.60	26.60	26.96	50.12
SMSL sAp-9 Balanced Out	24.14	32.13	32.13	32.99	32.99	47.73	55.72	55.72	56.58	50.35
Audiotrak Prodigy 7.1 AMP Off	3.05	3.05	3.05	3.05	3.05	12.27	20.54	26.52	26.52	51.01
Laconic Lunch BOX HA-06 PRO Hi Gain	11.52	26.50	26.50	26.50	26.50	18.19	20.76	22.74	23.45	55.35
Erzetich Bacillus Tilia	17.09	17.09	17.09	18.09	18.09	23.59	37.05	37.05	38.05	57.41
Cayin HA-1AMK2 for 30-60 ohm	11.55	23.55	25.56	25.56	25.56	34.71	41.40	42.73	44.51	57.50
EXEQ P-1001	-17.93	-3.00	-3.00	-3.00	-3.00	-2.89	8.17	20.54	24.96	57.76
EXEQ P-1021	-17.34	-2.40	-2.40	-2.40	-2.40	-1.32	25.54	25.54	25.54	65.11
IBM ThinkPad X31	-12.08	-12.08	-12.08	-12.08	-12.08	-15.39	-6.25	-1.19	9.21	70.02
Erzetich Perfidus	15.86	16.86	16.86	17.85	17.85	37.20	38.19	38.19	39.14	71.76
M-Audio FireWire Solo	8.31	8.31	8.31	8.31	8.31	8.42	25.50	29.26	29.26	73.74
Lenovo Edge E130	0.59	0.59	0.59	1.47	1.47	21.60	21.60	21.60	22.47	73.79
Philips Acoustic Edge PSC706	5.65	5.65	5.65	5.65	5.65	23.27	23.27	23.27	23.27	97.75
Walnut V3 Single-ended Out	10.59	10.59	10.59	10.59	10.59	10.84	12.10	13.33	13.47	97.87
Cayin HA-1AMK2 for 60-150 ohm	13.83	23.84	28.85	27.84	27.84	32.87	41.03	41.88	43.07	98.20
ASUS STRIX RAID PRO Hi Gain	15.41	15.41	15.41	15.41	15.41	34.16	34.16	34.16	34.16	98.73
ASUS STRIX RAID PRO Low Gain	4.03	4.03	4.03	4.03	4.03	22.78	22.78	22.78	22.78	98.80
TurboKids TMNT	-3.85	-3.85	-2.00	-2.00	-2.00	13.75	16.19	17.16	18.03	107.40
Cayin HA-1AMK2 for 150-300 ohm	9.13	25.14	25.14	29.15	29.15	31.26	38.88	41.21	42.36	125.12
Fly FS504 Cirrus 2 PowerAmp (A5 v703)	-12.89	-2.89	-2.89	-2.89	-2.89	0.93	16.78	16.78	16.78	134.35
Sabaj HPA1 Jack 3.5	8.91	11.91	11.91	11.91	11.91	22.78	27.56	27.56	27.56	147.85
Laconic Lunch BOX HA-06 PRO Low Gain	10.23	25.22	25.22	25.22	25.22	20.67	22.37	23.75	23.75	180.97
ASUS Impresario SBW-S1 PRO Xonar	15.38	16.38	16.38	16.38	16.38	28.85	29.85	29.85	29.85	194.77
Cayin HA-1AMK2 for 600 ohm	11.49	17.49	28.50	31.50	31.50	28.35	36.46	37.33	39.94	201.32
Breeze Audio USB DAC-PD01	4.38	4.38	4.38	4.38	4.38	0.47	4.50	16.24	16.24	231.94
Gigabyte GA-A75-UD4H Realtek ALC889A	-5.61	3.39	3.39	3.39	3.39	7.48	10.29	10.46	10.46	298.55

Close ⊗

Измерения усилителей проведены Романом Кузнецовым на программно-аппаратном комплексе RAA.

Всё тестируется как "черные ящики", без учета стоимости и статусности. Это главный принцип измерений и разработки тестов в RAA.

Из-за большого количества протестированных устройств затруднительно просматривать каждый отчет в поиске продукта с необходимыми характеристиками усилителя для наушников. Для этого и была создана эта страница сравнения, где можно быстро сравнить устройства по основным параметрам и перейти в отчет или специализированные сервисы on-line сравнения.

Kuznetsov Roman
Founder of RAA

Known by the nickname romanrex
Аuthor of articles iXBT.com

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Operating mode of the amplifiers
Voltage	- dBV
Current	- dB(mA)
Impedance	- ohm
Operating mode of the amplifiers
The type of amplifier:
Columns
Basic characteristics of headphone amplifiers
Impedance , Minimum value
Comparison services and Test reports
Measurement's report
Voltage and Sensitivity
Frequency response
Impedance
Spectra
Harmonic Distortion vs Level
Crosstalk
Crosstalk Phase
Voltage/Current

Comparison of basic characteristics AMPs

About Table management