Bowers & Wilkins C5 Series 2 Review: Ranked #885 of 909

Last updated: October 13, 2026

The Bowers & Wilkins C5 Series 2 ranks #885 out of 909 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.

Brand: Bowers & Wilkins

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Bowers & Wilkins C5 Series 2 - ranked #885 of 909 In-Ear Headphones · Editor's rating 1/5

#885 Bowers & Wilkins C5 Series 2 Discontinued eBay

Pros: Bass is lifted about 7 dB with extension to 20 Hz, giving kick drums and bass lines extra weight. Lower mids sit within about 0.9 dB of target, keeping voices and guitars natural. It uses 1 x 9.2mm dynamic with an easy 32 ohm load.

Cons: Discontinued, so it is mainly found used. The 7 dB bass lift can sound boomy and mask midrange detail. A Harman score of 30 places it in the lower part of the in-ear rankings.

Released2014 (12 years ago)
ConnectionWired
Deviation From Target4.72 dB standard deviation
Driver TypeDynamic
Drivers1 x 9.2mm dynamic
Form FactorIn-ear
Frequency Response10Hz - 20kHz
Harman Preference Score30 (measured by oratory1990, via AutoEQ)
Impedance32 ohms
Sub-bass ExtensionWithin 6 dB of target down to 20 Hz (+7.2 dB at 30 Hz)
Tonal Tilt-2.32 (negative is warmer, positive brighter)
EQ preset to match the Harman target

Set a preamp of -5.0 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-7.5 dB0.70
Peak5,430 Hz+10.0 dB0.21
Peak195 Hz-5.9 dB0.78
Peak713 Hz+1.0 dB1.69
Peak4,865 Hz-9.8 dB0.67
High shelf10,000 Hz-2.6 dB0.70
Peak67 Hz+1.0 dB1.75
Peak119 Hz-0.8 dB2.28
Peak2,293 Hz+1.2 dB2.89
Peak3,239 Hz-1.2 dB3.78

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