JBL Live 780NC vs Sennheiser HDB 630

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Live 780NC compared with HDB 630

	JBLLive 780NC	SennheiserHDB 630
Overview
Released
Released	March 2026	October 2025
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	42 mm
Back
Back	Closed	Closed
Impedance
Impedance	32 ohms	480 ohms
Bluetooth codecs
Bluetooth codecs	SBC, AAC, LDAC and LC3	SBC, AAC, aptX and aptX Adaptive
Lossless over USB-C
Lossless over USB-C	No	Yes
Drivers
Drivers	40 mm dynamic with compound diaphragm; 10 Hz–40 kHz response and 98 dB SPL sensitivity at 1 kHz	Dynamic transducer; 6 Hz to 40 kHz via line-in, 96 kHz USB or 96 kHz aptX Adaptive, 6 Hz to 22 kHz otherwise; active impedance 480 Ω; 105 dB SPL at 1 kHz/0 dBFS; THD below 0.2% at 1 kHz/100 dB SPL
Noise cancelling detail
Noise cancelling detail	True Adaptive Noise Cancelling 2.0, Ambient Aware and TalkThru	Adaptive noise cancellation and adjustable Transparency Mode
Audio features
Audio features	Spatial Sound, Personi-Fi 3.0, Low Volume Dynamic EQ and Auracast; LDAC maker-confirmed, SBC, AAC and LC3 confirmed by Les Numériques	Smart Control Plus parametric EQ and crossfeed; USB audio up to 24-bit/96 kHz; Bluetooth codecs include aptX HD as well as aptX Adaptive, aptX, AAC and SBC; the headphones do not support aptX Lossless even though the included BTD 700 supports it with other compatible headphones
Hearing health
Hearing health	Personal Sound Amplification and left/right balance; VoiceAware own-voice monitoring	–
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 50 hours	Up to 60 hours
Battery life detail
Battery life detail	Up to 80 hours with ANC off or 50 on; calls 33 hours with ANC off or 28 on; 870 mAh, 3.7 V lithium-ion battery; two-hour full charge	Bluetooth playback with ANC activated; 700 mAh, 3.7 V, 2.59 Wh lithium-polymer battery (manual); analogue listening requires power (What Hi-Fi?); USB audio also charges the headphones
Fast charging
Fast charging	Five minutes supplies up to four hours; UK page's hours label is erroneous	10 minutes gives up to 7 hours of listening; full charge approximately 2 hours (manual)
Design
Weight
Weight	260 g (better)	311 g
Bluetooth
Bluetooth	6.0	5.2
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	Customisable button and touch controls	Right-earcup touch pad for playback, volume, calls and ANC/transparency, multifunction button for power/pairing and the phone's voice assistant; Smart Pause wearing detection
Microphones
Microphones	Maker prose, PDF and US press table say six microphones including two beamforming call microphones; current UK specification table instead lists four	Four omnidirectional MEMS microphones in two beamforming pairs; 50 Hz to 10 kHz microphone response (manual)
Fit and ear tips
Fit and ear tips	Foldable over-ear design with metal hinge, silicone headband and soft ear cushions; closed back confirmed by Labo Fnac	Synthetic leatherette earpads and Japanese IDEATEX Protein Leatherette headband; swivelling earcups and replaceable pads; 311 g without cable on the UK specification page, versus 293 g in the manual
Water resistance detail
Water resistance detail	–	No water resistance rating published
Dimensions
Dimensions	Outer cushions 98.6 × 80 mm, inner 60.4 × 41.5 mm; cushion height 23 mm	–
Works with
Works with	Two Bluetooth devices; optional Smart Tx transmitter sold separately; supplied 120 cm USB-C-to-3.5 mm cable is analogue and requires power, without USB digital audio or passive listening (Les Numériques)	Sennheiser Smart Control Plus; connects to two Bluetooth devices, plays audio from one at a time; included BTD 700 is Bluetooth 5.4, while the headphones are Bluetooth 5.2; aptX Adaptive via the dongle requires High Resolution mode in the app
Colours
Colours	Black, White, Sand, Green, Blue, Purple and Orange	Black; Lunar Silver added in September 2026 (Sennheiser US announcement)
In the box
In the box	Headphones, USB-C-to-3.5 mm analogue cable, carrying pouch, warranty and quick-start guide. Maker US March 2026 shipping schedule corroborated by Les Numériques' March retail availability; UK announcement followed in May. Current UK RRP £169.99 differs from the £179.99 launch price	Headphones, BTD 700 USB-C dongle, 1.2 m USB-C to USB-C charging/audio cable, 1.2 m analogue cable with 3.5 mm source plug, in-flight adapter and carrying case