JVC HA-FX99X-B Review: Ranked #712 of 865

Last updated: October 13, 2026

The JVC HA-FX99X-B ranks #712 out of 865 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.

Brand: JVC

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JVC HA-FX99X-B - ranked #712 of 865 In-Ear Headphones · Editor's rating 2.6/5

#712 JVC HA-FX99X-B Discontinued eBay

Pros: It weighs 8.2g.

Cons: Discontinued, so it is mainly found used. A Harman score of 57 places it in the lower part of the in-ear rankings.

ReleasedOct 2016 (10 years ago)
ConnectionWired
Deviation From Target3.06 dB standard deviation
Driver TypeDynamic
Form FactorIn-ear
Frequency Response5Hz - 40kHz
Harman Preference Score57 (measured by crinacle, via AutoEQ)
Impedance16 ohms
Sensitivity103 dB/mW
Tonal Tilt-1.19 (negative is warmer, positive brighter)
Weight0 lbs (8.2g)
EQ preset to match the Harman target

Set a preamp of -6.0 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.

FilterFrequencyGainQ
Low shelf105 Hz-1.3 dB0.70
Peak6,565 Hz+6.7 dB0.59
Peak160 Hz-4.8 dB0.68
Peak4,166 Hz-8.6 dB2.08
Peak1,519 Hz+1.1 dB0.18
High shelf10,000 Hz+2.8 dB0.70
Peak1,251 Hz-1.7 dB5.30
Peak8,642 Hz-1.2 dB3.00
Peak921 Hz+1.6 dB5.93
Peak483 Hz-0.3 dB2.65

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