Measurement's report Apple EarPods - Reference Audio Analyzer

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Apple EarPods (report for a pro)

Test report - general data Apple EarPods headphone

Frequency response, Impedance, Frequency response with standard AMPs

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Perception of headphone frequency response curves of equal loudness ISO 226-2009

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Sensitivity average in band from 100 Hz - 10 kHz118.0dB/V SPL
104.2dB/mW SPL
Impedance average in band from 40 Hz - 15 kHz42.2ohm
For 90 dB SPL, a voltage is required-28.0dBV
0.040VRMS
Taking into account the peak factor of 9 dB for the music signal-19.0 dBV
0.113VRMS
Measurements were performed on the stand:






Frequency response and sensitivity headphones Apple EarPods headphone

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Channel

Frequency band

Channel:LeftRight
Sensitivity average in band from 100 Hz - 10 kHz117.2 118.6dB/V SPL
Sensitivity average in band from 100 Hz - 10 kHz103.5104.8 dB/mW SPL
Sensitivity at 1 kHz113.0113.7dB/V SPL
Sensitivity at 500 Hz109.9111.2dB/mW SPL


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Frequency response of headphone Apple EarPods headphone

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Channel

Range

Frequency band

Smoothing

Channel:LeftRight
Variation in frequency response in band from 100 Hz - 10 kHz -11.1, +16.1-7.7, +15.3dB


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Impedance Apple EarPods headphone

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Channel

Frequency band

Channel:LeftRight
Impedance average in band from 40 Hz - 15 kHz42.4 42.0ohm
Resistance at 1 kHz42.0 41.4ohm
Resistance at 500 Hz42.1 41.5ohm
The minimum value in band from 40 Hz - 15 kHz41.9 41.1ohm
The maximum value in band from 40 Hz - 15 kHz44.0 44.3ohm


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Electric phase Apple EarPods headphone

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Channel

Range

Frequency band

Channel:LeftRight
Phase deviation is the average in the range 40 Hz - 15 kHz0.8 0.8°
Phase at 1 kHz0.2 0.2°
Phase at 500 Hz-0.4 -0.6°
The minimum value in band from 40 Hz - 15 kHz-1.1 -1.7°
The maximum value in band from 40 Hz - 15 kHz5.1 5.2°




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Perception of headphone frequency response curves of equal loudness ISO 226-2009

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Channel

Range

Variation in frequency response in band from 30 Hz - 12 kHz
Channel:LeftRight
Deviation -36.0 dB-33.1, +25.4 (58.5)-32.7, +24.5 (57.2)dB
Deviation -24.0 dB-28.9, +23.4 (52.3)-28.5, +22.5 (51.0)dB
Deviation -12.0 dB-24.7, +21.5 (46.2)-24.3, +20.6 (44.9)dB
Deviation 0.0 dB-20.5, +19.6 (40.1)-20.1, +18.7 (38.8)dB
Deviation 12.0 dB-16.3, +17.7 (34.0)-15.9, +16.8 (32.7)dB
Deviation 24.0 dB-12.2, +15.8 (28.0)-11.8, +14.9 (26.7)dB
Deviation 36.0 dB-10.0, +14.0 (24.1)-10.5, +13.1 (23.7)dB

Variation in frequency response in band from 40 Hz - 1 kHz
Channel:LeftRight
Deviation -36.0 dB-33.1, +25.4 (58.5)-32.7, +24.5 (57.2)dB
Deviation -24.0 dB-28.9, +23.4 (52.3)-28.5, +22.5 (51.0)dB
Deviation -12.0 dB-24.7, +21.5 (46.2)-24.3, +20.6 (44.9)dB
Deviation 0.0 dB-20.5, +19.6 (40.1)-20.1, +18.7 (38.8)dB
Deviation 12.0 dB-16.3, +17.7 (34.0)-15.9, +16.8 (32.7)dB
Deviation 24.0 dB-12.2, +15.8 (28.0)-11.8, +14.9 (26.7)dB
Deviation 36.0 dB-10.0, +14.0 (24.1)-10.5, +13.1 (23.7)dB


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Frequency response Apple EarPods headphone when connected to amplifiers with constant output impedance

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Channel

Range

Frequency response

Frequency response of amplifier with constant output resistance 100 Hz - 10 kHz
Channel:LeftRight
Apple EarPods + AMP 0 Ω -7.0, +20.3-2.9, +20.1dB
Apple EarPods + AMP 10 Ω -7.0, +20.3-2.9, +20.1dB
Apple EarPods + AMP 20 Ω -7.0, +20.4-2.8, +20.2dB
Apple EarPods + AMP 50 Ω -6.9, +20.4-2.8, +20.2dB
Apple EarPods + AMP 100 Ω -6.9, +20.4-2.8, +20.2dB
Apple EarPods + AMP 300 Ω -6.9, +20.4-2.8, +20.3dB

Variation in frequency response with amplifiers with constant output resistance @ 100 Hz - 10 kHz
Channel:LeftRight
Apple EarPods + AMP 0 Ω 0.00.0dB
Apple EarPods + AMP 10 Ω 0.10.1dB
Apple EarPods + AMP 20 Ω 0.10.2dB
Apple EarPods + AMP 50 Ω 0.20.3dB
Apple EarPods + AMP 100 Ω 0.30.4dB
Apple EarPods + AMP 300 Ω 0.40.6dB


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Frequency response Apple EarPods headphone when connected to an amplifier with zero output impedance and raising of output impedanse in low frequencies

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Channel

Range

Frequency response

Variation in frequency response in band from 100 Hz - 10 kHz
Channel:LeftRight
Apple EarPods + AMP 0 Ω -7.0, +20.3-2.9, +20.1dB
Apple EarPods + AMP ➘ 0 Ω -7.0, +20.3-3.2, +20.1dB

Deviation of frequency response @ 40 Hz
Channel:LeftRight
Apple EarPods + AMP 0 Ω 0.00.0dB
Apple EarPods + AMP ➘ 0 Ω 0.10.1dB


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Impulse response Apple EarPods headphone

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Channel

Duration for impulse, envelope and step responses

Waveforms

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Square wave Apple EarPods headphone

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