Sony WH-1000XM4C vs Sony WH-CH720N

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WH-1000XM4C compared with WH-CH720N

	SonyWH-1000XM4C	SonyWH-CH720N
Overview
Released
Released	September 2026	March 2023
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Driver size
Driver size	40 mm	30 mm
Back
Back	Closed	–
Bluetooth codecs
Bluetooth codecs	SBC, AAC and LDAC	SBC and AAC
Lossless over USB-C
Lossless over USB-C	–	No
Chip
Chip	HD Noise Cancelling Processor QN1	V1
Drivers
Drivers	40 mm drivers with liquid crystal polymer diaphragms; powered wired frequency response 4 Hz–40 kHz. Impedance is 40 ohms powered on and 16 ohms off; sensitivity 106 dB/mW on and 101 dB/mW off.	30 mm dynamic driver; 7 Hz to 20,000 Hz (JEITA, wired, switched on); sensitivity 108 dB/mW switched on, 99 dB/mW switched off; impedance 325 Ω switched on, 31 Ω switched off (1 kHz, wired)
Chip
Chip	–	Integrated Processor V1
Noise cancelling detail
Noise cancelling detail	QN1 and two noise-sensing microphones per earcup; Personal NC Optimizer, Ambient Sound Mode, Quick Attention and Adaptive Sound Control	Dual Noise Sensor technology, with two microphones on each ear cup; Ambient Sound Mode adjustable in 20 levels in the app
Audio features
Audio features	DSEE Extreme upscaling, 10-band equaliser in Sony Sound Connect and 360 Reality Audio with compatible services; Bluetooth response 20 Hz–20 kHz at 44.1 kHz sampling, or 20 Hz–40 kHz with LDAC at 96 kHz and 990 kbps	DSEE upscaling; 360 Reality Audio; equaliser in the app
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 27 hours	Up to 35 hours
Battery life detail
Battery life detail	The manual lists AAC/SBC playback up to 27 hours with noise cancelling or 34 hours off; LDAC up to 20 hours on or 27 hours off. DSEE Extreme, Speak-to-Chat and equaliser settings can shorten these figures.	Up to 50 hours with noise cancelling off (AAC or SBC); 35 hours with Ambient Sound Mode on; talk time up to 35 hours (40 hours with noise cancelling off); up to 35 hours on the headphone cable with noise cancelling on (50 hours off); DSEE, the equaliser and the voice-assistant wake word shorten battery life; can't be used while charging
Charging case
Charging case	USB-C charging; approximately 3 hours for a full charge; no USB audio playback	–
Fast charging
Fast charging	3 minutes gives about 1 hour of playback	3 minutes gives about 60 minutes of playback, 10 minutes about 4.5 hours; full charge in about 3.5 hours (0.5 A or higher USB adaptor)
Design
Weight
Weight	253 g	192 g (better)
Bluetooth
Bluetooth	6.0	5.2
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	Touch panel on the right earcup for playback, volume and calls; separate power and noise-cancelling buttons; wear detection, Quick Attention and Speak-to-Chat; app-configurable Quick Access	Buttons for power, volume up and down, play/call (press twice to skip forwards, three times to skip back; hold for the voice assistant) and NC/AMB; hands-free "OK Google" or "Alexa" wake word
Microphones
Microphones	Two noise-sensing microphones per earcup; Precise Voice Pickup for Bluetooth calls	Two noise-cancelling microphones on each ear cup; beamforming call microphones with Precise Voice Pickup technology and a Wind Noise Reduction Structure
Fit and ear tips
Fit and ear tips	Adjustable headband, swivelling and folding earcups; colour-matched carrying case	Closed, over-ear; synthetic leather and urethane earpads; sliders on both sides of the headband
Water resistance detail
Water resistance detail	The manual states that the headset is not waterproof	No water resistance rating
Works with
Works with	Bluetooth A2DP, AVRCP, HFP and HSP. Multipoint switches music between two devices; SoundGuys and Tom's Hardware report that LDAC is unavailable in that mode. The supplied cable allows passive playback, disables Bluetooth and does not carry the headphone microphone.	Sony | Sound Connect app (formerly Headphones Connect) for iOS and Android; multipoint connection to two devices; Google Fast Pair and Microsoft Swift Pair; Bluetooth 5.2 Class 1, about 10 m range; A2DP, AVRCP, HFP and HSP
Colours
Colours	Black, Platinum Silver, Lavender; official press photo shows Lavender folded	Black, Blue, White; Pink added in 2025
In the box
In the box	UK box includes headphones, carrying case and approximately 1.2 m headphone cable; USB charging cable supplied only with mainland China models	Headphones, USB-C cable (USB-A to USB-C, about 20 cm), headphone cable (about 1.2 m)