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Sony WH-CH720N vs Anker soundcore Space 2

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

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SonyWH-CH720NAnker soundcoreSpace 2
Overview
ReleasedMarch 2023April 2026
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency modeYesYes
Driver size30 mm40 mm
Back–Closed
Bluetooth codecsSBC and AACSBC, AAC and LDAC
Lossless over USB-CNo–
ChipV1–
Drivers30 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)40 mm double-layer diaphragm drivers with silk and metal-ceramic construction
ChipIntegrated Processor V1–
Noise cancelling detailDual Noise Sensor technology, with two microphones on each ear cup; Ambient Sound Mode adjustable in 20 levels in the appAdaptive ANC 3.0 with four-stage low-frequency noise cancellation; Transparency mode; Normal mode can be added to the button cycle
Audio featuresDSEE upscaling; 360 Reality Audio; equaliser in the appHi-Res Audio in wired mode and LDAC on compatible Android devices; HearID hearing profile, 8-band EQ and presets. 3D Audio cannot run alongside LDAC; USB-C is charging only (SoundGuys)
Hearing health–Safe Volume monitoring and optional high-volume limit in the soundcore app
Battery
Listening time (maker's claim)Up to 35 hoursUp to 50 hours
Battery life detailUp 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 chargingANC provides up to 50 hours with wearing detection off or 45 hours on; ANC with LDAC gives 40 or 35 hours respectively. ANC off gives 70 or 65 hours; Transparency gives 50 or 45 hours. Maker tests at 50% volume; other features can reduce playback
Charging case–USB-C charging; full charge in about 2 hours
Fast charging3 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)A 5-minute charge provides up to 4 hours of playback
Design
Weight192 g264 g
Bluetooth5.26.1
Two devices at onceYesYes
Headphone cableYesYes
ControlsButtons 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 wordPhysical power, volume, playback/call and NC buttons; configurable long-press action; optional wearing detection for automatic pause/resume
MicrophonesTwo noise-cancelling microphones on each ear cup; beamforming call microphones with Precise Voice Pickup technology and a Wind Noise Reduction StructureThree microphones with AI call-noise reduction
Fit and ear tipsClosed, over-ear; synthetic leather and urethane earpads; sliders on both sides of the headbandFolding construction, ergonomic headband and protein-leather ear cushions with slow-rebound memory foam; cloth travel pouch
Water resistance detailNo water resistance rating–
Works withSony | 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 HSPsoundcore app for Android and iOS; Google Fast Pair on Android 6.0 or later; dual-device connection. Maker support contradicts itself on simultaneous LDAC and dual-device support, so that combination remains unconfirmed. AUX mode disables playback/volume buttons and built-in calls; NC control works while powered on
ColoursBlack, Blue, White; Pink added in 2025Jet Black, Linen White and Seafoam Green
In the boxHeadphones, USB-C cable (USB-A to USB-C, about 20 cm), headphone cable (about 1.2 m)Headphones, travel pouch, 3.5 mm AUX cable, USB-C cable and quick start guide

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