Request a product

Sony WH-1000XM4C vs Sony WH-CH730N

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

Better figure, where one is clearly better

SonyWH-1000XM4CSonyWH-CH730N
Overview
ReleasedSeptember 2026September 2026
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency modeYesYes
Driver size40 mm30 mm
BackClosedClosed
Impedance–25 ohms
Bluetooth codecsSBC, AAC and LDACSBC, AAC and LC3
Lossless over USB-C–No
ChipHD Noise Cancelling Processor QN1–
Drivers40 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.Dynamic driver; wired response 6 Hz to 20,000 Hz (JEITA), Bluetooth 20 Hz to 20,000 Hz at 44.1 kHz sampling; 100 Ω powered on, 25 Ω powered off; sensitivity 108 dB/mW powered on, 100 dB/mW powered off
Noise cancelling detailQN1 and two noise-sensing microphones per earcup; Personal NC Optimizer, Ambient Sound Mode, Quick Attention and Adaptive Sound ControlDual Noise Sensor technology; Ambient Sound Mode and noise-cancelling switch
Audio featuresDSEE 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 kbpsDSEE upscaling and customisable audio settings in Sony's app
Battery
Listening time (maker's claim)Up to 27 hoursUp to 50 hours
Battery life detailThe 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 75 hours with noise cancelling off; call time up to 35 hours with noise cancelling on or 40 hours off
Charging caseUSB-C charging; approximately 3 hours for a full charge; no USB audio playback–
Fast charging3 minutes gives about 1 hour of playback3 minutes gives up to 1 hour of playback; full charge approximately 3 hours
Design
Weight253 g207 g
Bluetooth6.06.0
Two devices at onceYesYes
Headphone cableYesYes
ControlsTouch 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 AccessPhysical buttons for playback, volume, power and noise-cancelling/ambient selection (Techtesters)
MicrophonesTwo noise-sensing microphones per earcup; Precise Voice Pickup for Bluetooth callsPrecise Voice Pickup combines beamforming microphones, optimised placement and AI noise reduction
Fit and ear tipsAdjustable headband, swivelling and folding earcups; colour-matched carrying caseFolding over-ear headband
Water resistance detailThe manual states that the headset is not waterproofNo water resistance rating published
Works withBluetooth 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.LE Audio, multipoint, Fast Pair and Swift Pair; Bluetooth profiles A2DP, AVRCP, HFP and HSP; Sony's current specifications list LC3 and LE Audio, although SoundGuys' launch review suggests LE Audio may need a later firmware update; USB-C is charging-only (Techtesters)
ColoursBlack, Platinum Silver, Lavender; official press photo shows Lavender foldedBlack, White, Pink, Beige, Blue
In the boxUK box includes headphones, carrying case and approximately 1.2 m headphone cable; USB charging cable supplied only with mainland China models1.2 m detachable headphone cable with gold-plated L-shaped plug, warranty card and reference guide; no carrying case or USB charging cable listed

More comparisons