JBL Tune 720BT vs Sony WH-CH520

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Tune 720BT compared with WH-CH520

	JBLTune 720BT	SonyWH-CH520
Overview
Released
Released	February 2023	March 2023
Sound
Type
Type	Over-ear	On-ear
Noise cancelling
Noise cancelling	No	No
Transparency mode
Transparency mode	No	No
Driver size
Driver size	40 mm	30 mm
Back
Back	Closed	Closed
Impedance
Impedance	32 ohms	–
Bluetooth codecs
Bluetooth codecs	SBC and AAC	SBC and AAC
Lossless over USB-C
Lossless over USB-C	No	No
Drivers
Drivers	40 mm dynamic; 20 Hz–20 kHz response and 101 dB SPL sensitivity at 1 kHz, 1 mW	Bluetooth response 20 Hz to 20,000 Hz at 44.1 kHz sampling
Noise cancelling detail
Noise cancelling detail	No active cancellation or transparency mode (Les Numériques); VoiceAware monitors your own voice during calls	–
Audio features
Audio features	JBL Headphones app EQ; SBC and AAC confirmed by Les Numériques; no wearing sensor or USB digital playback in its test	DSEE upscaling and customisable equaliser in Sony | Sound Connect (formerly Headphones Connect)
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 76 hours	Up to 50 hours
Battery life detail
Battery life detail	Up to 76 hours with Bluetooth on; 500 mAh, 3.7 V lithium-ion battery; two-hour full charge	Up to 40 hours of calls and 200 hours on standby; no passive operation or wired playback
Fast charging
Fast charging	Five minutes supplies up to three hours	3 minutes gives up to 1.5 hours; full charge approximately 3 hours
Design
Weight
Weight	220 g	147 g (better)
Bluetooth
Bluetooth	5.3	5.2
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	Yes	No
Controls
Controls	Physical earcup controls for calls, playback and volume	Physical buttons for playback, calls, volume and track selection; press the play/call button to use the connected phone's Siri or Google voice assistant
Microphones
Microphones	One microphone; VoiceAware own-voice adjustment	Built-in call microphone with noise suppression processing
Fit and ear tips
Fit and ear tips	Foldable over-ear design; closed back confirmed by SoundGuys	Adjustable padded headband, soft earpads and swivelling earcups
Dimensions
Dimensions	Current UK page lists outer cups 7 × 7.6 cm, inner 5.4 × 3.7 cm and depth 2 cm; its imperial height and older PDF dimensions disagree, so no conversion is used	–
Water resistance detail
Water resistance detail	UK page marks water resistant but publishes no IP code	No water resistance rating published
Works with
Works with	Two simultaneous Bluetooth devices; included analogue cable supports passive listening; maker page's 0.2 m cable length conflicts with the PDF's 1.2 m	Two-device multipoint, Fast Pair and Swift Pair; approximately 10 m range, profiles A2DP, AVRCP, HFP and HSP; USB-C is charging-only (SoundGuys)
Colours
Colours	Black, White, Purple and Blue (Les Numériques)	Black, Blue, White, Beige; Pink and Yellow added in March 2025; One Piece Black and One Piece White limited editions on the current UK page
In the box
In the box	Headphones, USB-C charging cable, detachable audio cable, warranty and quick-start guide. Which? lists February 2023 release; maker's June 2023 release confirms later Brazilian availability	Headphones and USB charging cable; no carrying case listed