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JBL Live 770NC vs JBL Tune 720BT

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

Better figure, where one is clearly better

JBLLive 770NCJBLTune 720BT
Overview
ReleasedAugust 2023February 2023
Sound
TypeOver-earOver-ear
Noise cancellingYesNo
Transparency modeYesNo
Driver size40 mm40 mm
BackClosedClosed
Impedance32 ohms32 ohms
Bluetooth codecsSBC and AACSBC and AAC
Lossless over USB-C–No
Drivers40 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 kHz40 mm dynamic; 20 Hz–20 kHz response and 101 dB SPL sensitivity at 1 kHz, 1 mW
Noise cancelling detailTrue Adaptive Noise Cancelling, Ambient Aware and TalkThruNo active cancellation or transparency mode (Les Numériques); VoiceAware monitors your own voice during calls
Audio featuresSpatial 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 inferredJBL Headphones app EQ; SBC and AAC confirmed by Les Numériques; no wearing sensor or USB digital playback in its test
Hearing healthPersonalised hearing profile and VoiceAware own-voice monitoring–
Battery
Listening time (maker's claim)Up to 50 hoursUp to 76 hours
Battery life detailUp 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 proseUp to 76 hours with Bluetooth on; 500 mAh, 3.7 V lithium-ion battery; two-hour full charge
Fast chargingFive minutes supplies up to four hoursFive minutes supplies up to three hours
Design
Weight256 g220 g
Bluetooth5.35.3
Two devices at onceYesYes
Headphone cableYesYes
ControlsPhysical 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 failedPhysical earcup controls for calls, playback and volume
MicrophonesTwo beamforming call microphones; maker separately describes four noise-sensing microphonesOne microphone; VoiceAware own-voice adjustment
Fit and ear tipsFoldable over-ear design with fabric headband; closed back confirmed by Les NumériquesFoldable over-ear design; closed back confirmed by SoundGuys
DimensionsOuter cups 9.3 × 7.6 cm; inner 5.8 × 4 cm; depth 2.7 cmCurrent 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–UK page marks water resistant but publishes no IP code
Works withTwo Bluetooth devices, Google Fast Pair, voice assistants and detachable analogue cable; passive listening confirmed by Les NumériquesTwo 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
ColoursBlack, White, Blue and SandstoneBlack, White, Purple and Blue (Les Numériques)
In the boxHeadphones, 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 releaseHeadphones, 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

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