Sony WH-CH520 vs Sony WH-CH700N

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

WH-CH520 compared with WH-CH700N

	SonyWH-CH520	SonyWH-CH700N
Overview
Released
Released	March 2023	2018
Sound
Type
Type	On-ear	Over-ear
Noise cancelling
Noise cancelling	No	Yes
Transparency mode
Transparency mode	No	–
Driver size
Driver size	30 mm	40 mm
Back
Back	Closed	Closed
Bluetooth codecs
Bluetooth codecs	SBC and AAC	SBC, AAC, aptX and aptX HD
Lossless over USB-C
Lossless over USB-C	No	–
Drivers
Drivers	Bluetooth response 20 Hz to 20,000 Hz at 44.1 kHz sampling	40 mm dome drivers with neodymium magnets; wired response 7 Hz–20 kHz (JEITA), or 20 Hz–20 kHz powered on. Impedance 22 ohms powered on and 48 ohms off; sensitivity 97 dB/mW on and 98 dB/mW off at 1 kHz.
Noise cancelling detail
Noise cancelling detail	–	Digital noise cancelling; hold the NC button for AI noise cancelling to analyse surroundings and choose between three modes.
Audio features
Audio features	DSEE upscaling and customisable equaliser in Sony | Sound Connect (formerly Headphones Connect)	DSEE; app equaliser and VPT surround settings.
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 50 hours	Up to 35 hours
Battery life detail
Battery life detail	Up to 40 hours of calls and 200 hours on standby; no passive operation or wired playback	Bluetooth playback with aptX/aptX HD: up to 35 hours with noise cancelling, 40 without. SBC/AAC with DSEE enabled: 35/40 hours; with DSEE off: 40/45 hours. Powered wired playback with noise cancelling: up to 50 hours. Actual duration depends on settings and conditions.
Fast charging
Fast charging	3 minutes gives up to 1.5 hours; full charge approximately 3 hours	Micro-USB; approximately seven hours for a full charge; ten minutes gives about 60 minutes of music playback.
Design
Weight
Weight	147 g (better)	240 g
Bluetooth
Bluetooth	5.2	4.1
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	No	Yes
Controls
Controls	Physical buttons for playback, calls, volume and track selection; press the play/call button to use the connected phone's Siri or Google voice assistant	Physical power, volume, playback/call and NC buttons; phone voice assistant access. NC button can be reassigned to Google Assistant or Alexa with compatible firmware, app and phone; availability varies by region.
Microphones
Microphones	Built-in call microphone with noise suppression processing	Omnidirectional electret condenser microphone, 50 Hz–8 kHz.
Fit and ear tips
Fit and ear tips	Adjustable padded headband, soft earpads and swivelling earcups	Adjustable headband; inward-angled drivers; earcups swivel flat; approximately 240 g excluding cable.
Water resistance detail
Water resistance detail	No water resistance rating published	Not waterproof
Works with
Works with	Two-device multipoint, Fast Pair and Swift Pair; approximately 10 m range, profiles A2DP, AVRCP, HFP and HSP; USB-C is charging-only (SoundGuys)	NFC; A2DP, AVRCP, HFP and HSP. Multipoint assigns music and calls to different devices; unavailable while using Google Assistant or Alexa. Up to eight paired devices. Wired listening works with power off and disables Bluetooth; calls use the connected phone's microphone.
Colours
Colours	Black, Blue, White, Beige; Pink and Yellow added in March 2025; One Piece Black and One Piece White limited editions on the current UK page	Black, Grey and Blue; regional availability varies
In the box
In the box	Headphones and USB charging cable; no carrying case listed	Headphones, approximately 1.2 m detachable headphone cable and micro-USB charging cable.