Reference Audio Analyzer

Luxury & Precision L3 is available in reports and services. You are on the page of comparison volume level of AMPs.

Service and suite of tests

Information for entry level users

report for a newbie
(Headphone amplifier)

General recommendations

The automatic selection of the optimal AMP models

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Comparison of on-line graphs



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Comparison of volume gain AMPs


Why is the "volume" expressed in dBV
Why is the "volume" expressed in dBV When you compare amplifiers by loudness, the voltage value, expressed in dBV, should be used. The difference in voltage will show the difference in decibel (dB) between the amplifiers.

The power values in regular mW do not convenient to direct comparison.

The direct comparison by power is only suitable for speaker amplifiers operating with an ultra-low-ohm load. This does not apply to headphone amplifiers where the headphone resistance is higher than 8-16 ohms.

Because of the higher resistance of the headphones, when compare the volume of a musical signal it is necessary to simultaneously take into account the current and voltage limits. The speaker amplifier have limit by current. For the exact difference between the amplifiers in decibel, the power value must be converted into voltage in units of dBV, taking into account the margin by current for the music signal to 12 dB.

If made a comparison simply by power, then the error will reach up to 12 dB. When sorting by volume, you can see that at the same volume values in dBV, the power values in mW will be different.


What and how to compare with the characteristics provided by manufacturers
The value of the high quality mode power is equivalent to class A. Typically, manufacturers for this power indicate the percentage of distortion, which should be no more than 1%.

Simply the Maximum power, this is the power level above, which the amplifier is already "wheezing" or the volume control is already at its maximum level. Usually indicated without a percentage of distortion, because high quality for this volume level is not implied.

Определить напряжение в dBV по данным производителей можно в специальном калькуляторе (в разработке)


Выходная мощность и сопротивление наушников
Так как мощность зависит от тока, напряжения и сопротивления усилителя, то для разных сопротивлений наушников будут лидировать разные усилители. По умолчанию предлагаются сопротивления 32 и 300 Ом. Можно задать любые другие значения.


Самый громкий - самый лучший?
Если выбрать излишне громкий усилитель, то можно столкнуться с проблемами фонового шума и/или несовершенства регулятора громкости. Усилитель стоит подбирать под чувствительность используемых наушников.



О взаимосвязи режимов и громкости





Compare for: Clear or equal class AF.A.Q. Mod


32 ohm 300 ohm
Name dBV mW dBV mW
LeEco Cool changer s1 -96.90.00-95.50.00
Xiaomi Redmi Note 4X VLC OpenES -90.40.00-90.20.00
Xiaomi Redmi Note 4X Android 6 24 bit -89.10.00-88.90.00
Xiaomi Mi A1 VLC OpenSL ES -84.50.00-84.20.00
New Bee NB-1 -60.70.00-60.00.00
FiiO uBTR -36.10.00-16.60.00
IBM ThinkPad X31 -33.30.00-13.90.01
HiFiMan HM-700 Balance -32.30.00-12.80.01
FiiO E10K Olympus 2 Low Bass Off -29.60.03-29.30.00
Sansa Clip+ -28.80.00-12.00.02
Fly FS504 Cirrus 2 PowerAmp (A5 v703) -27.10.04-16.10.08
Gigabyte GA-A75-UD4H Realtek ALC889A -25.90.08-11.60.23
Xuelin iHiFi 770 Out 1 -23.60.01-8.30.08
Xuelin iHiFi 770 Out 2 -23.40.01-8.00.08
FiiO A1 -23.00.01-13.60.09
FiiO E10K Olympus 2 Hi Bass Off -22.80.17-22.50.02
Xuelin iHiFi 780 Out 2 -21.80.01-8.80.12
ONN X6 -21.70.01-2.80.12
Apple iPad mini -21.50.01-2.10.13
Xuelin iHiFi 770C Bright -19.70.02-3.40.20
Violectric HPA V100 -19.50.02-0.00.21
Xuelin iHiFi 800 -19.20.02-8.90.22
Xuelin iHiFi 780 Out 1 -18.70.03-9.10.25
Acer Iconia Tab W500 -18.50.44-11.90.21
Apple iPhone 5 -18.10.030.10.29
iBasso D10 Cobra -18.00.49-17.80.06
Breeze Audio USB DAC-PD01 -18.00.03-2.60.29
ASUS Essence One -17.90.030.00.30
ASUS Essence STU HP2 -17.90.030.00.30
ASUS Xonar U7 -17.90.030.00.30
ASUS Xonar D2X -17.90.030.00.30
ASUS Xonar Essence ST -17.90.030.00.30
Creative Audigy 5 -17.90.030.00.30
Creative Sound Blaster Omni Surround 5.1 -17.90.030.00.30
Creative SoundBlaster Z -17.90.030.00.30
Creative SoundBlaster ZxR Max -17.90.030.00.30
E-MU 0202 USB -17.90.030.00.30
E-MU 0204 USB -17.90.030.00.30
E-MU 0404 USB -17.90.030.00.30
ESI Dr.DAC prime -17.90.030.00.30
ESI U24XL -17.90.030.00.30
iBasso D4 Mamba -17.90.030.00.30
Infrasonic Amon -17.90.030.00.30
M-Audio ProFire 610 -17.90.030.00.30
Native Instruments Audio 2 DJ -17.90.030.00.30
Nu Force uDAC-2 -17.90.030.00.30
Teac UD-H01 -17.90.030.00.30
Colorful Colorfly C3 -17.90.030.00.30
Cowon C2 -17.90.030.00.30
Cowon D2+ -17.90.030.00.30
Cowon D3 -17.90.030.00.30
Cowon J3 -17.90.030.00.30
Cowon S9 -17.90.030.00.30
Cowon V5 HD -17.90.030.00.30
Cowon X7 -17.90.030.00.30
ESI Record M -17.90.030.00.30
FiiO X3 Hi -17.90.030.00.30
HiFiMan HM-601 Slim Hi -17.90.030.00.30
HiFiMan HM-601 Hi Gain -17.90.030.00.30
HiFiMan HM-801 Power Amp OCL-A 819-10571 (40 Ohm) -17.90.030.00.30
HiFiMan HM-801 Balanced Card -17.90.030.00.30
HiFiMan HM-801 GameCard -17.90.030.00.30
HiFiMan HM 901 IEM Card -17.90.030.00.30
iBasso DX50 -17.90.030.00.30
Astell&Kern AK100 -17.90.030.00.30
Astell&Kern AK120 -17.90.030.00.30
OPPO Clover R815 -17.90.030.00.30
OPPO Find 5 -17.90.030.00.30
QLS QA350 V2 -17.90.030.00.30
Ritmix RF-9300 -17.90.030.00.30
Ritmix RF-9500 -17.90.030.00.30
Samsung GT-S5620 -17.90.030.00.30
Sony Ericsson W995 3,5 -17.90.030.00.30
Sony NWZ-F806 -17.90.030.00.30
Sony NWZ-ZX1 HP Out -17.90.030.00.30
Sony NZW-E444 -17.90.030.00.30
Arkhipovs Laboratory Alternative II -17.90.030.00.30
Arkhipovs Laboratory Melo -17.90.030.00.30
Firestone Audio Cute Beyond -17.90.030.00.30
FLUX LAB HA-04 -17.90.030.00.30
HiFiMan EF6 -17.90.030.00.30
iBasso D12 Anaconda -17.90.030.00.30
iBasso D2+ Boa -17.90.030.00.30
iBasso PB1 Toucan -17.90.030.00.30
iBasso T3 -17.90.030.00.30
Laconic HA-08 ZanaDeux Micro -17.90.030.00.30
Laconic Lunch BOX HA-06 SE Hi -17.90.030.00.30
Laconic Lunch BOX HA-06 Hi -17.90.030.00.30
Laconic LunchBox H-Amp -17.90.030.00.30
Laconic Night Blues Mini Hi Out -17.90.030.00.30
Laconic Night Blues NB-3A Hi -17.90.030.00.30
Lehmann Audio Black Cube Linear USB Out 1 -17.90.030.00.30
Lehmann Audio Linear LS -17.90.030.00.30
Meier Audio 3MOVE -17.90.030.00.30
Meier Audio Corda Concerto -17.90.030.00.30
Meier Audio Corda Swing -17.90.030.00.30
Meier Audio CORDA XXS -17.90.030.00.30
MS Audio Laboratory FHA 1.2 -17.90.030.00.30
Musica HPA 40 -17.90.030.00.30
Ortofon HD-Q7 -17.90.030.00.30
Pro-Ject Head Box II -17.90.030.00.30
Pro-Ject Head Box SE II Out 1 -17.90.030.00.30
REGA EAR -17.90.030.00.30
Technics SE-A5 HP Out -17.90.030.00.30
Vincent KHV-111 -17.90.030.00.30
Pro-Ject Head Box SE II Out 2 -17.90.030.00.30
Lehmann Audio Black Cube Linear USB Out 2 -17.90.030.00.30
Laconic Night Blues NB-3A Low -17.90.030.00.30
Laconic Night Blues Mini Low Out -17.90.030.00.30
Laconic Lunch BOX HA-06 Low -17.90.030.00.30
Laconic Lunch BOX HA-06 SE Low -17.90.030.00.30
Sony Ericsson W995 FP -17.90.030.00.30
ASUS Essence STU HP1 -17.90.030.00.30
Creative SoundBlaster ZxR Middle -17.90.030.00.30
FiiO X3 Low -17.90.030.00.30
HiFiMan HM-601 Slim Low -17.90.030.00.30
HiFiMan HM-601 Low Gain -17.90.030.00.30
Auzentech Auzen X-Fi Bravura 7.1 -17.90.030.00.30
Laconic Lunch BOX HA-06 PRO Hi -17.90.030.00.30
Creative Sound Blaster X7 LE 4 Ohm Low -17.90.030.00.30
Creative Sound Blaster X7 LE 4 Ohm -17.90.030.00.30
Creative Sound Blaster X7 LE 8 Ohm -17.90.030.00.30
Creative Sound Blaster X7 LE Low -17.90.030.00.30
ASUS Xonar Essence STX Low -17.90.030.00.30
ASUS Xonar Essence STX Mid -17.90.030.00.30
Questyle QP1R L-Gain -17.90.030.00.30
Questyle QP1R M-Gain -17.90.030.00.30
E-MU 1616m Ref -17.90.030.00.30
E-MU 1616m Ref B6 -17.90.030.00.30
SMSL sAp-9 Balance-in -17.90.030.00.30
SMSL sAp-9 Balance -17.90.030.00.30
Schiit Fulla 813 Hz THD -17.90.030.00.30
FiiO E10K Olympus 2 Hi Bass On -17.90.030.00.30
HiFiMan HM-603 Slim -17.90.031.60.30
Xuelin iHiFi 770C Default -17.20.04-1.40.35
Nu Force uDAC -16.50.04-9.40.38
Benjie S5 -15.20.06-9.90.34
FiiO X1 -15.20.062.40.55
QLS QA350 -15.00.062.30.58
Lotoo PAW Pico -14.80.06-7.10.61
iBasso D-Zero -14.80.07-1.00.62
ASUS ZenFone Max Pro (M1) Poweramp 384 -14.10.080.20.71
Shanling M5 -14.10.085.40.72
Lenovo s820 -14.01.25-13.40.15
ASUS ZenFone Max Pro (M1) Neutron -13.70.08-10.70.28
Xuelin iHiFi 100 -13.61.36-11.40.24
Beyerdynamic IMPACTO essential -12.80.41-12.70.18
CEntrance Mini-M8 -12.60.23-12.50.19
SMSL M3 -12.10.125.11.14
Creative SoundBlasterX G6 Low -12.10.121.81.15
Cayin N3 -11.80.136.41.22
Shanling M1 -11.60.14-1.11.27
Nexum AQUA -11.60.14-3.01.29
Flang V5 Low -11.50.14-0.51.32
Benjie K9 -11.50.14-5.50.93
Schiit Fulla AMP -11.40.48-11.40.24
Colorful Colorfly CK4 -11.20.15-5.70.90
HiFiMan HM-801 Power Amp Board V2.0 -10.80.171.61.55
Creative Audigy Fx -10.40.18-2.91.70
FiiO X5 II Low -10.20.190.21.78
FiiO Fujiyama E06 -10.00.26-10.00.34
iBasso DX100 -10.00.209.51.87
LG G7 Hi-Fi Quad DAC Off, Low impedance headphone connected (16-30 ohm) -9.70.42-9.30.39
HiFiMan HM-801 Power Amp OCL-A 819-10571 (10 Ohm) -9.20.246.72.22
MUSE AUDIO TU-10 -9.20.67-8.00.53
LG G7 Hi-Fi Quad DAC On, Hi impedance headphone connected (60-300 ohm) -9.20.246.12.23
Astell&Kern AK320 Balanced -9.20.246.62.23
Benjie X1 -9.00.25-6.10.82
Tecsun HD-80 -9.00.252.92.34
Flang V5 Hi -9.00.253.32.35
LG G7 Hi-Fi Quad DAC On, Low impedance headphone connected (16-30 ohm) -8.91.02-8.70.45
FiiO X5 II Hi -8.80.266.72.44
Xiaomi Redmi Note 4X PowerAmp -8.70.26-4.81.11
LG 24MP76 -8.71.56-6.60.73
Xiaomi Mi A1 Neutron -8.50.28-0.12.64
ASUS STRIX RAID PRO Low -8.24.731.64.77
Inakustik Premium Headphone Amp. No. 1 Out 2 -8.10.304.32.83
ASUS K50IJ -8.11.32-2.12.04
Astell&Kern AK240 Balanced -8.00.317.22.92
Inakustik Premium Headphone Amp. No. 1 Out 1 -8.00.314.62.94
Astell&Kern AK300 Balanced -7.90.322.63.01
FiiO X1 MK2 -7.60.343.53.23
Denon DA-10 Hi -7.50.353.43.28
Creative SoundBlasterX G6 Hi -7.40.3610.03.37
Walnut V3 Unbalance -7.10.398.13.64
theBit OPUS 2 Balance -6.30.467.44.29
Sabaj HPA1 Jack 3.5 -6.16.065.411.64
xDuoo XD-05 Default -5.80.518.84.81
Laconic Lunch BOX HA-06 PRO Low -5.83.736.314.26
Luxury & Precision L3 Balance DSD -5.86.55-4.71.14
Creative SoundBlasterX G6 External power -5.80.528.24.89
xDuoo X2 -5.66.59-5.60.93
Xiaomi Redmi Note 4 -5.68.61-2.41.93
LG G7 Hi-Fi Quad DAC Off, Hi impedance headphone connected (60-750 ohm) -5.53.87-5.21.02
Audiotrak Prodigy 7.1 Off -5.20.721.74.94
xDuoo D3 nano -5.20.603.05.64
Astell&Kern AK70 Balanced -5.00.630.63.86
Creative X-Fi Xtreme Gamer Fatal1ty Professional Series Creation Mode 44 kHz -4.92.010.63.81
Colorful Colorfly C4 Pro Jack 3.5 -4.810.41-4.51.19
Apple iPhone 5S -4.40.88-3.91.37
Astell&Kern AK70 Unbalanced -4.30.732.86.37
DIY 6N2-FU32 Out 2 -4.311.66-3.51.50
Creative SoundBlaster Zx -4.20.765.77.09
Musiland Monitor 03 US -3.912.75-3.81.39
HiFiMan HM 802 Gandi -3.80.812.96.53
Astell&Kern AK380 AMP Balanced Norm -3.80.833.37.12
FiiO X3 III Balanced Hi -3.613.50-3.41.52
Onkyo Granbeat DP-CMX1 Balanced -3.60.8611.78.04
SMSL ivy -3.50.882.35.65
Onkyo Granbeat DP-CMX1 Unbalance -3.40.915.88.50
Apple A1749 Lightning Audio Adapter (iPhone 5s) -3.20.950.03.33
Pro-Ject Pre Box S2 Digital -3.10.965.99.01
LG G7 Hi-Fi Quad DAC On, without impedance headphone connected -3.10.970.43.63
Grado RA-1 -3.10.9716.09.07
iBasso DX200 AMP1 Balanced -2.716.84-2.51.87
iBasso DX200 AMP1 Unbalanced -2.617.02-2.51.86
LG G7 Hi-Fi Quad DAC Off, without impedance headphone connected -2.64.23-2.22.00
Lenovo G770 -2.48.420.83.97
xDuoo X3 Default -2.318.41-2.31.98
SMSL sAp-9 Unbalance -2.318.472.15.37
FiiO K5 Hi -2.31.1716.210.96
Cayin i5 -2.11.221.54.74
theBit OPUS 2 Unbalance -1.91.286.612.02
FiiO X3 III Balanced Low -1.721.37-1.42.41
ASUS Impresario SBW-S1 PRO Xonar -1.621.5111.042.38
xDuoo XQ-10 -0.91.58-0.43.07
Astell&Kern AK240 Unbalanced -0.91.625.411.59
Chord Mojo 0.01.9812.318.55
Astell&Kern AK320 Unbalanced 0.12.035.712.37
SMSL sAp VI 0.12.0411.319.08
Astell&Kern AK300 Unbalanced 0.22.045.712.35
DIY 6N2-FU32 Out 1 0.232.861.14.26
FiiO X3 II Low 0.32.450.43.66
Luxury & Precision L3 Pro Balanced DSD 0.411.491.44.62
FiiO X3 II Hi 0.42.164.08.35
Kennerton Ego 0.65.182.45.73
Colorful Colorfly C4 Pro Jack 6.3 0.636.180.94.12
Pioneer XDP-300R Unbalance 0.82.355.712.44
Astell&Kern KANN Balanced 0.82.3613.822.12
Luxury & Precision L3 DSD 0.84.131.44.55
Pioneer XDP-300R Balance 0.82.3811.622.33
Luxury & Precision L3 Pro Unbalance DSD 0.938.831.54.69
FiiO X7 AM2 OLD FW 1.02.464.79.93
xDuoo X3 Rockbox 1.039.721.14.26
xDuoo TA-01 1.12.5313.223.72
Aune T1 Low 1.230.843.37.16
FiiO X3 III Unbalanced Low 1.241.631.54.69
Astell&Kern AK380 AMP Unbalanced Hi 1.32.668.824.94
HiFiMan HM 802 Balanced Card Normal Mode 1.411.321.44.63
Astell&Kern AK380 AMP Unbalanced Norm 1.42.715.311.31
ASUS STRIX RAID DLX Low 1.645.063.77.88
E-MU 1616m 1.62.8610.226.78
Xuelin iHiFi 960 Pro 1.847.594.08.31
HiFiMan HM 802 Balanced Card Balanced Mode 1.86.264.18.65
Cayin N6 2.012.412.05.33
Astell&Kern KANN Unbalanced 2.03.137.920.66
xDuoo XD-05 Sanmigel Mod 2.13.2211.630.15
FiiO Alpen E17 2.448.262.55.88
Audiotrak Prodigy 7.1 On 2.53.4715.532.55
Aune B1s Class A- Gain Hi 2.63.6212.433.96
Walnut V3 Balance 3.14.0716.138.16
HiFiMan HM 802 MiniBox 3.24.106.816.10
ASUS STRIX RAID PRO Hi 3.265.2312.965.73
Astell&Kern AK380 AMP Balanced Hi 3.34.1814.739.22
Sabaj D4 3.54.4511.341.75
FiiO X5-III Unbalance 3.570.603.87.96
Shanling M2 3.639.864.79.88
Hidizs AP100 3.84.766.013.27
GoVibe Porta Tube+ Mod C4 Op-Amp 3.976.333.98.16
Lotoo Paw Gold 3.94.886.916.39
Shanling M2s 4.154.855.110.80
xDuoo TA-02 4.25.229.529.72
Sabaj PHA1 Jack 6.3 4.25.228.021.12
xDuoo X20 Unbalance 4.383.904.39.01
xDuoo x10 Low 4.341.834.49.11
Questyle QP1R H-Gain 4.46.844.49.25
ASUS Essence 3 Balanced 4.534.6511.243.96
FiiO X7 AM1 5.1100.295.110.78
FiiO K5 Low 5.1100.925.110.81
Shanling M3s Unbalance 5.2102.345.211.06
Creative Sound Blaster E5 5.2102.595.712.44
Aune B1s Class A+ Gain Low 5.217.745.411.66
Audiolab M-DAC 5.26.579.932.41
Creative Sound BlasterX AE-5 Line Out 5.814.006.314.22
Erzetich Perfidus 5.9115.6514.286.77
AuGlamour GR-1 6.28.297.920.70
Aune X1s 6.38.3916.878.62
MyST PortaDAC 1866OCUB v.3 6.3133.828.423.01
FiiO X3 III Unbalanced Hi 6.3134.286.615.13
iBasso DX80 6.48.637.418.42
FiiO X7 II Unbalanced 6.6144.286.916.51
Monster Audio MA-9 Alexmod Edition 6.9153.347.016.63
ASUS STRIX RAID DLX Mid 7.0102.849.127.38
Xuelin iHiFi 812 V2 7.2163.299.328.48
OPPO HA-2 7.231.207.518.80
iBasso DX150 AMP6 Unbalanced 7.3126.767.418.37
Oriolus DP100 Balance 7.526.617.920.65
Chord Hugo 7.611.2813.167.29
Oriolus DP100 Unbalance 7.9194.118.020.83
Shanling M3s Balance 8.1125.248.222.16
Erzetich Bacillus Tilia 8.215.5515.6120.13
iBasso D14 Bushmaster 8.218.398.222.11
FiiO X5-III Balance 8.2178.308.724.72
xDuoo x10 Hi 8.415.628.423.04
Weiliang Audio U9 8.814.9213.676.54
FiiO X5 9.163.799.227.53
Aune B1s Class A+ Gain Hi 9.316.9412.255.25
FiiO X7 AM2 9.517.779.731.26
Aune T1 Max 9.718.4715.8126.09
xDuoo X20 Balance 10.0203.8110.335.48
ASUS Essence One Mod V 10.220.4515.2110.16
SMSL sAp II 10.3268.4212.457.68
Cary Audio HH-1 10.468.4812.660.52
Chord Hugo TT 11.1250.8911.143.38
ASUS Essence 3 Unbalance 11.243.0513.473.41
HiFiMan HM-801 SM SYMMcard 7.2 11.3420.1311.850.93
Audiotrak Dr.Dac 2 OPA 627 12.232.7517.6193.52
ASUS STRIX RAID DLX Hi 12.3206.4915.0106.37
iBasso DX150 AMP6 Balanced 12.3301.4812.458.30
FiiO K5 Mid 12.475.6812.457.95
FiiO X7 II Balanced 12.537.8012.965.65
DIY Beta 22 12.6566.2212.661.00
ASUS ROG Xonar Phoebus 12.977.3315.1106.64
ASUS Xonar Essence STX Hi 12.958.0415.0106.03
Musatoff HA-4 12.938.7414.799.50
DIY Monster Zen 13.3661.6313.778.23
FiiO X5-III Balanced Turbo 13.5135.6414.083.90
ASUS Essence One MK2 13.7107.8815.9129.68
Musatoff HA-5SE 14.251.3317.3178.47
Creative Sound BlasterX AE-5 HP Out 14.2193.0414.492.40
Creative Sound Blaster X7 LE Hi 14.4335.0814.696.96
OPPO HA-1 Unbalance 16.6362.6516.7155.12
DIY HeadAMP lakkarius 16.81499.3317.3180.10
MyST DAC 1866OCU V.2 16.81502.4217.5189.56
Violectric HPA V281 Balance 20.6224.6730.92106.30
Violectric HPA V220 21.81116.3921.8508.49
Violectric HPA V90 23.4428.3725.91288.75
OPPO HA-1 Balance 24.4902.9224.4928.68
Violectric HPA V281 Unbalance 24.41309.6324.5929.35
Violectric HPA V200 24.41125.8624.4923.82






Luxury & Precision L3 is available in reports and services. You are on the page of comparison volume level of AMPs.

Service and suite of tests

Information for entry level users

report for a newbie
(Headphone amplifier)

General recommendations

The automatic selection of the optimal AMP models

Information for all

Comparison of on-line graphs




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