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JBL Tune 780NC vs Sennheiser HDB 630

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

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JBLTune 780NCSennheiserHDB 630
Overview
ReleasedNovember 2025October 2025
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency modeYesYes
Driver size40 mm42 mm
BackClosedClosed
Impedance32 ohms480 ohms
Bluetooth codecsSBC, AAC and LC3SBC, AAC, aptX and aptX Adaptive
Lossless over USB-CNoYes
Drivers40 mm dynamic; 10 Hz–20 kHz wireless or 10 Hz–40 kHz wired responseDynamic 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 detailAdaptive cancellation, Ambient Aware and TalkThruAdaptive noise cancellation and adjustable Transparency Mode
Audio featuresPersoni-Fi 3.0 and Spatial Sound; SBC, AAC, LC3, Auracast and ten-band EQ confirmed by Les NumériquesSmart 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 healthVoiceAware adjusts own-voice monitoring–
Battery
Listening time (maker's claim)Up to 50 hoursUp to 60 hours
Battery life detailUp to 76 hours with Bluetooth on and ANC off, 50 with both on; calls 45 hours without ANC or 41 with it. Maker PDF prose incorrectly says Bluetooth off, contradicted by its technical table and current UK pageBluetooth 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
Charging caseUSB-C; 690 mAh, 3.7 V battery; two-hour full charge–
Fast chargingFive minutes supplies up to five hours10 minutes gives up to 7 hours of listening; full charge approximately 2 hours (manual)
Design
Weight225.2 g311 g
Bluetooth6.05.2
Two devices at onceYesYes
Headphone cableYesYes
ControlsFive physical buttons; app assignments (Les Numériques)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
MicrophonesFour total, including two beamforming call microphonesFour omnidirectional MEMS microphones in two beamforming pairs; 50 Hz to 10 kHz microphone response (manual)
Fit and ear tipsFoldable over-ear design; closed back confirmed by Labo FnacSynthetic 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–No water resistance rating published
DimensionsOuter cups 96.3 × 78.8 mm; inner 60 × 42.5 mm; depth 21 mm–
Works withGoogle Fast Pair, Microsoft Swift Pair and two devices; supplied 1.2 m USB-C-to-3.5 mm analogue cable requires power and does not support digital USB audio (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
ColoursBlack, Blue, White, Lavender and BeigeBlack; Lunar Silver added in September 2026 (Sennheiser US announcement)
In the boxHeadphones and USB-C-to-3.5 mm analogue cable; no charging cable. Les Numériques reports November 2025 retail availability, before the maker's later US June 2026 scheduleHeadphones, 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

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