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Sony WH-1000XM4 vs Anker soundcore Space Q45

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

Better figure, where one is clearly better

SonyWH-1000XM4Anker soundcoreSpace Q45
Overview
ReleasedAugust 2020August 2022
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency modeYesYes
Driver size40 mm40 mm
Back–Closed
Bluetooth codecsSBC, AAC and LDACSBC, AAC and LDAC
Lossless over USB-CNo–
ChipQN1–
Drivers40 mm dome-type driver with an aluminium-coated LCP diaphragm, CCAW voice coil and neodymium magnet; 4 Hz to 40,000 Hz (JEITA); sensitivity 105 dB/mW switched on, 101 dB/mW switched off; impedance 40 Ω switched on, 16 Ω switched off (1 kHz, wired)40 mm double-layer diaphragm using silk and ceramic materials
ChipHD Noise Cancelling Processor QN1 (with an integrated analogue amplifier) and a Bluetooth Audio SoC–
Noise cancelling detailDual Noise Sensor technology, with two noise-cancelling microphones on each ear cup (one outside, one inside); Personal NC Optimizer and Atmospheric Pressure Optimising; Ambient Sound Mode with Voice focus; Adaptive Sound Control; Quick Attention Mode; Speak-to-ChatAdaptive noise cancelling and five custom noise-cancelling levels in the maker FAQ; adjustable transparency
Audio featuresLDAC up to 990 kbps (Hi-Res Audio Wireless); High-Resolution Audio over the headphone cable; DSEE Extreme upscaling; 360 Reality Audio certified; equaliser in the appLDAC on compatible Android devices, soundcore app equaliser and presets; maker FAQ excludes simultaneous LDAC and multipoint
Battery
Listening time (maker's claim)Up to 30 hoursUp to 50 hours
Battery life detailUp to 38 hours with noise cancelling off (AAC or SBC); with LDAC, 24 hours with noise cancelling on or 30 hours off; with DSEE Extreme on, 18 hours with noise cancelling on (16 hours with LDAC); Speak-to-Chat shortens battery life by about 30%; talk time up to 24 hours (30 hours with noise cancelling off); standby up to 30 hours with noise cancelling on (200 hours off); up to 22 hours on the headphone cable with noise cancelling on (36 hours off); can't be used while chargingUp to 50 hours with ANC or 65 hours without it, tested by the maker at 60% volume. SoundGuys lists the release date as 25 August 2022
Charging case–USB-C charging takes around two hours; headphones cannot be used while charging
Fast charging10 minutes gives about 5 hours of playback with a 1.5 A or higher USB adaptor; full charge in about 3 hoursMaker specification table and FAQ give four hours of listening from five minutes of charging; its introductory paragraph instead says five hours
Design
Weight254 g292 g
Bluetooth5.05.3
Two devices at onceYesYes
Headphone cableYesYes
ControlsTouch sensor control panel on the right ear cup (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 CUSTOM buttons; a proximity sensor and two acceleration sensors pause music when the headphones are taken off and switch them off after 15 minutes; NFC one-touch pairingPhysical playback, volume, power and NC buttons; no wearing detection or touch gestures (SoundGuys and Tom's Guide)
MicrophonesFive microphones for calls and Speak-to-Chat (Precise Voice Pickup Technology); MEMS, omnidirectional, 50 Hz to 8,000 HzTwo microphones with AI call-noise reduction
Fit and ear tipsClosed, circumaural; foamed urethane earpads; stepless slider; ear cups swivel and fold inwards for the carrying caseFolding aluminium-alloy hinges and cushioned ear cups; maker weight is 292 g, while SoundGuys' review table lists 281 g
Water resistance detailNo water resistance rating; Sony says the headphones are not waterproof–
Works withSony | Sound Connect app (formerly Headphones Connect) for iOS and Android; multipoint connection to two devices (AAC or SBC only while connected to two); Google Assistant and Amazon Alexa built in; Google Fast Pair; Bluetooth 5.0 Class 1, about 10 m range; A2DP, AVRCP, HFP and HSPBluetooth connection to two devices; AUX input is 3.5 mm (SoundGuys and Tom's Guide)
ColoursBlack, Platinum Silver; limited-edition Silent White sold in Europe from May 2021Black, Blue and White; only Black was available at launch, according to Tom's Guide
In the boxHeadphones, USB-C cable (USB-A to USB-C, about 20 cm), headphone cable (about 1.2 m, gold-plated L-shaped stereo mini plug), plug adaptor for in-flight use, carrying caseHeadphones, carrying case, USB-C charging cable, AUX cable and user guide (Tom's Guide)

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