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Sony WH-1000XM3 vs Sony WH-CH700N

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

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SonyWH-1000XM3SonyWH-CH700N
Overview
ReleasedSeptember 20182018
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency modeYes–
Driver size40 mm40 mm
BackClosedClosed
Bluetooth codecsSBC, AAC, aptX, aptX HD and LDACSBC, AAC, aptX and aptX HD
ChipHD Noise Cancelling Processor QN1–
Drivers40 mm dome drivers with aluminium-coated liquid crystal polymer diaphragms, CCAW voice coils and neodymium magnets; wired frequency response 4 Hz–40 kHz. Impedance is 47 ohms powered on and 16 ohms off; sensitivity 104.5 dB/mW on and 101 dB/mW off.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 detailQN1 processor and dual noise sensors; Personal NC Optimizer and Atmospheric Pressure Optimizing; Ambient Sound Mode, Quick Attention and Adaptive Sound ControlDigital noise cancelling; hold the NC button for AI noise cancelling to analyse surroundings and choose between three modes.
Audio featuresDSEE HX upscaling; Bluetooth frequency response 20 Hz–20 kHz at 44.1 kHz sampling, or 20 Hz–40 kHz with LDAC at 96 kHz and 990 kbps; QN1 includes a DAC and amplifierDSEE; app equaliser and VPT surround settings.
Battery
Listening time (maker's claim)Up to 30 hoursUp to 35 hours
Battery life detailMaximum 30 hours with noise cancelling or 38 hours off uses AAC with DSEE HX off. The manual lists 24 hours with noise cancelling for aptX, aptX HD and LDAC; SBC is 28 hours with noise cancelling and DSEE HX off.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.
Charging caseUSB-C charging; about 3 hours for a full charge; USB does not carry audio–
Fast charging10 minutes gives up to 5 hours with a USB adapter rated at least 1.5 AMicro-USB; approximately seven hours for a full charge; ten minutes gives about 60 minutes of music playback.
Design
Weight255 g240 g
Bluetooth4.24.1
Two devices at onceYesYes
Headphone cableYesYes
ControlsRight earcup touch panel for playback, volume and calls; holding a palm over it activates Quick Attention; separate power and NC/AMBIENT buttonsPhysical 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.
MicrophonesInternal and external microphones for noise cancelling; built-in microphones for Bluetooth callsOmnidirectional electret condenser microphone, 50 Hz–8 kHz.
Fit and ear tipsCircumaural ear cushions; adjustable headband and folding earcups; carrying case suppliedAdjustable headband; inward-angled drivers; earcups swivel flat; approximately 240 g excluding cable.
Water resistance detail–Not waterproof
Works withBluetooth A2DP, AVRCP, HFP and HSP; NFC pairing. Multipoint connects one music source using A2DP and another device for calls using HFP/HSP, without two music sources; unavailable with Google Assistant or Alexa assigned. The supplied cable allows passive listening, but disables Bluetooth and does not carry the headphone microphone.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.
ColoursBlack, Platinum SilverBlack, Grey and Blue; regional availability varies
In the boxHeadphones, carrying case, 1.2 m headphone cable, approximately 20 cm USB-A to USB-C cable, in-flight plug adapterHeadphones, approximately 1.2 m detachable headphone cable and micro-USB charging cable.

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