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Sony WH-1000XM6 vs Sony WH-CH730N

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

Better figure, where one is clearly better

SonyWH-1000XM6SonyWH-CH730N
Overview
ReleasedMay 2025September 2026
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency modeYesYes
Spatial audio with head trackingYes–
Driver size30 mm30 mm
Back–Closed
Impedance–25 ohms
Bluetooth codecsSBC, AAC, LDAC and LC3SBC, AAC and LC3
Lossless over USB-CNoNo
ChipQN3–
Drivers30 mm driver unit with a high-rigidity carbon fibre composite dome and neodymium magnet; 4 Hz to 40,000 Hz (wired, switched on); sensitivity 103 dB/mW switched on, 102 dB/mW switched off; impedance 48 Ω switched on, 16 Ω switched off (1 kHz)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
ChipHD Noise Canceling Processor QN3 (Sony says seven times faster than the WH-1000XM5's) and Integrated Processor V2–
Noise cancelling detailTwelve microphones for noise cancelling; Adaptive NC Optimizer tunes noise cancelling to the fit, surroundings and air pressure; Ambient Sound Mode with Auto Ambient Sound; Quick Attention Mode; Speak-to-Chat; Adaptive Sound ControlDual Noise Sensor technology; Ambient Sound Mode and noise-cancelling switch
Audio featuresLDAC up to 990 kbps (Hi-Res Audio Wireless); Hi-Res Audio over the headphone cable; DSEE Extreme upscaling; 10-band EQ and Game EQ; 360 Reality Audio; 360 Upmix for Cinema; spatial sound with head tracking; BGM effect; LE Audio with a low-latency mode and Auracast broadcast audioDSEE upscaling and customisable audio settings in Sony's app
Battery
Listening time (maker's claim)Up to 30 hoursUp to 50 hours
Battery life detailUp to 40 hours with noise cancelling off (AAC, SBC or LC3); with LDAC, 26 hours with noise cancelling on or 36 hours off; talk time up to 24 hours (28 hours with noise cancelling off); up to 28 hours on the headphone cable with noise cancelling on (38 hours off); can be used while chargingUp to 75 hours with noise cancelling off; call time up to 35 hours with noise cancelling on or 40 hours off
Fast charging3 minutes gives about 3 hours of playback with a USB PD adaptor (9 V/2.3 A or more), or about 1 hour with a 5 V/1.5 A adaptor; full charge in about 3.5 hours3 minutes gives up to 1 hour of playback; full charge approximately 3 hours
Design
Weight254 g207 g
Bluetooth5.36.0
Two devices at onceYesYes
Headphone cableYesYes
ControlsTouch sensor control panel (double-tap to play, pause or answer calls; swipe forwards or backwards to skip; swipe up or down for volume; hold for the voice assistant; cover with your hand for Quick Attention Mode); power and NC/AMB buttons on the left unit (double-press NC/AMB to mute the microphones during calls, once enabled in the app); nod or shake your head to answer or reject calls; proximity sensor pauses music when the headphones are taken off and switches them off after 15 minutesPhysical buttons for playback, volume, power and noise-cancelling/ambient selection (Techtesters)
MicrophonesTwelve microphones for noise cancelling; six-microphone AI-based beamforming for calls; MEMS, omnidirectionalPrecise Voice Pickup combines beamforming microphones, optimised placement and AI noise reduction
Fit and ear tipsClosed, over-ear; wider soft-fit headband in synthetic leather; stretchable earpads; folds flat and folds up to fit the supplied carrying case, which has a magnetic closureFolding over-ear headband
Water resistance detailNo water resistance rating; Sony says the headphones are not waterproofNo water resistance rating published
Works withSony | Sound Connect app for iOS and Android; multipoint connection to two devices; LE Audio and Auracast with compatible devices; the headphone cable also works with the headphones switched off, without noise cancellingLE 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, Midnight Blue, Sand Pink, Sandstone (Sony US; colours vary by region)Black, White, Pink, Beige, Blue
In the boxHeadphones, USB-C cable (USB-A to USB-C), headphone cable (about 1.2 m, gold-plated L-shaped stereo mini plug), carrying case, documents1.2 m detachable headphone cable with gold-plated L-shaped plug, warranty card and reference guide; no carrying case or USB charging cable listed

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