Bose QuietComfort Ultra Headphones vs Sony WH-CH720N

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QuietComfort Ultra Headphones compared with WH-CH720N

	BoseQuietComfort Ultra Headphones	SonyWH-CH720N
Overview
Released
Released	October 2023	March 2023
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Driver size
Driver size	–	30 mm
Spatial audio with head tracking
Spatial audio with head tracking	Yes	–
Bluetooth codecs
Bluetooth codecs	SBC, AAC and aptX Adaptive	SBC and AAC
Lossless over USB-C
Lossless over USB-C	No	No
Chip
Chip	–	V1
Drivers
Drivers	–	30 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)
Chip
Chip	–	Integrated Processor V1
Noise cancelling detail
Noise cancelling detail	Eight microphones for feedback and adaptive feed-forward noise reduction; Quiet, Aware and Immersion modes plus custom modes; Aware Mode with ActiveSense briefly applies noise cancelling during very loud sounds; noise cancelling adjustable in the Bose app; Wind Block setting; CustomTune calibrates sound and noise cancelling to your ears each time you put them on	Dual Noise Sensor technology, with two microphones on each ear cup; Ambient Sound Mode adjustable in 20 levels in the app
Audio features
Audio features	Bose Immersive Audio (Still keeps the sound in place as you turn your head; Motion lets it follow) using an onboard IMU; three-band EQ (bass, mid-range, treble) in the Bose app; aptX Adaptive with Snapdragon Sound devices	DSEE upscaling; 360 Reality Audio; equaliser in the app
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 24 hours	Up to 35 hours
Battery life detail
Battery life detail	Up to 24 hours with Immersive Audio off, 18 hours with it on; tested by Bose at 75 dB SPL in Quiet Mode; the headphones don't charge while switched on	Up 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 charging
Fast charging
Fast charging	15 minutes gives up to 2.5 hours with Immersive Audio off, 2 hours with it on (owner's guide; Bose UK's FAQ says 3 hours); full charge in up to 3 hours	3 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)
Design
Weight
Weight	254 g	192 g (better)
Bluetooth
Bluetooth	5.3	5.2
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	On the right ear cup, a Bluetooth/power button, a multi-function button (play, pause, skip, calls, modes) and a capacitive volume strip (swipe for volume; touch and hold for a shortcut to Immersive Audio settings, Spotify Tap, the voice assistant or battery level); on-head detection pauses and resumes audio and wakes or sleeps the headphones	Buttons 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 word
Microphones
Microphones	Eight microphones in total; four are used for calls (two on each ear cup), in a beamforming array	Two noise-cancelling microphones on each ear cup; beamforming call microphones with Precise Voice Pickup technology and a Wind Noise Reduction Structure
Fit and ear tips
Fit and ear tips	Around-ear (circumaural) with an adjustable headband; removable protein leather cushions; plastic, aluminium and protein leather; fold flat for the carry case	Closed, over-ear; synthetic leather and urethane earpads; sliders on both sides of the headband
Water resistance detail
Water resistance detail	No water resistance rating published	No water resistance rating
Works with
Works with	Bose app (launched with Bose Music) for iOS and Android; multipoint connection to two devices since a July 2024 update; Google Fast Pair; Spotify Tap; SimpleSync with Bose smart soundbars and speakers; 2.5 mm analogue input needs the headphones powered on; no USB audio	Sony | 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 HSP
Colours
Colours	Black and White Smoke at launch; What Hi-Fi lists later Lunar Blue and Diamond 60th Edition finishes	Black, Blue, White; Pink added in 2025
In the box
In the box	Headphones, carry case, 3.5 mm to 2.5 mm audio cable, USB-C (A to C) cable (50.8 cm), safety sheet	Headphones, USB-C cable (USB-A to USB-C, about 20 cm), headphone cable (about 1.2 m)