JBL Live 770NC vs Sony WH-CH720N

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Live 770NC compared with WH-CH720N

	JBLLive 770NC	SonyWH-CH720N
Overview
Released
Released	August 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	40 mm	30 mm
Back
Back	Closed	–
Impedance
Impedance	32 ohms	–
Bluetooth codecs
Bluetooth codecs	SBC and AAC	SBC and AAC
Lossless over USB-C
Lossless over USB-C	–	No
Chip
Chip	–	V1
Drivers
Drivers	40 mm dynamic; current UK page lists 20 Hz–20 kHz response; PDF distinguishes Bluetooth 20 Hz–20 kHz from AUX 20 Hz–40 kHz; 100 dB SPL sensitivity at 1 kHz	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	True Adaptive Noise Cancelling, Ambient Aware and TalkThru	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	Spatial Sound and Personi-Fi 2.0; SBC/AAC confirmed by Les Numériques, while maker LE Audio support remains a promised OTA update; no current LC3 support inferred	DSEE upscaling; 360 Reality Audio; equaliser in the app
Hearing health
Hearing health	Personalised hearing profile and VoiceAware own-voice monitoring	–
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 50 hours	Up to 35 hours
Battery life detail
Battery life detail	Up to 65 hours with Bluetooth on and ANC off, 50 with both on, or 40 with Bluetooth off and ANC on; calls up to 33 hours without ANC or 28 with it; 850 mAh, 3.7 V battery. Current UK table and PDF give three-hour full charging, despite two hours in marketing prose	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	Five minutes supplies up to four 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	256 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	Physical buttons and customisable touch panel; maker automatic play/pause worked in Les Numériques' firmware 3.2.0 test, while Tom's Guide reports wearing detection failed	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	Two beamforming call microphones; maker separately describes four noise-sensing microphones	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	Foldable over-ear design with fabric headband; closed back confirmed by Les Numériques	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
Dimensions
Dimensions	Outer cups 9.3 × 7.6 cm; inner 5.8 × 4 cm; depth 2.7 cm	–
Works with
Works with	Two Bluetooth devices, Google Fast Pair, voice assistants and detachable analogue cable; passive listening confirmed by Les Numériques	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, White, Blue and Sandstone	Black, Blue, White; Pink added in 2025
In the box
In the box	Headphones, USB-C charging cable, detachable audio cable, warranty and quick-start guide. UK page and maker prose advertise a carrying pouch, but PDF box list and Les Numériques' sample omit it. Maker's end-August UK schedule is corroborated by Les Numériques' actual 31 August 2023 regional release	Headphones, USB-C cable (USB-A to USB-C, about 20 cm), headphone cable (about 1.2 m)