Sennheiser HDB 630 vs Sennheiser MOMENTUM 5 Wireless

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HDB 630 compared with MOMENTUM 5 Wireless

	SennheiserHDB 630	SennheiserMOMENTUM 5 Wireless
Overview
Released
Released	October 2025	June 2026
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Spatial audio with head tracking
Spatial audio with head tracking	–	Yes
Driver size
Driver size	42 mm	42 mm
Back
Back	Closed	–
Impedance
Impedance	480 ohms	–
Bluetooth codecs
Bluetooth codecs	SBC, AAC, aptX and aptX Adaptive	SBC, AAC, aptX, aptX Adaptive and aptX Lossless
Lossless over USB-C
Lossless over USB-C	Yes	Yes
Drivers
Drivers	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	Dynamic transducer made in Tullamore, Ireland; 6 Hz to 40 kHz over USB and Bluetooth, 6 Hz to 22 kHz via the analogue input; 108 dB SPL (1 kHz / 0 dBFS); THD < 0.2% (1 kHz / 100 dB SPL)
Noise cancelling detail
Noise cancelling detail	Adaptive noise cancellation and adjustable Transparency Mode	Hybrid adaptive ANC with eight digital microphones; ANC and Transparency Mode intensity adjustable by pinch and stretch gestures or in the app; wind-noise reduction off, auto or max
Audio features
Audio features	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	Dolby Atmos with head tracking (added by a day-one firmware update); Hi-Res Audio certified; Snapdragon Sound; also supports aptX HD; 8-band EQ, presets and Sound Personalization in the Smart Control Plus app
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 60 hours	Up to 57 hours
Battery life detail
Battery life detail	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	User-replaceable 700 mAh lithium-polymer battery, swapped with a small Phillips screwdriver; battery life tested over Bluetooth with an iPhone at mid volume
Fast charging
Fast charging	10 minutes gives up to 7 hours of listening; full charge approximately 2 hours (manual)	10 minutes for up to 7 hours; full charge in about 2 hours (USB-C, 5 V, 800 mA max)
Design
Weight
Weight	311 g	290 g (better)
Bluetooth
Bluetooth	5.2	5.4
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	Yes	Yes
Controls
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	Touch pad on the right ear cup (tap, swipe, pinch and stretch); multi-function button; wear sensor pauses playback when the headphones are taken off (Smart Pause)
Microphones
Microphones	Four omnidirectional MEMS microphones in two beamforming pairs; 50 Hz to 10 kHz microphone response (manual)	Four MEMS mics per side with beamforming; Own Voice Detection; Sidetone for calls
Fit and ear tips
Fit and ear tips	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	Around-the-ear (circumaural), closed-back; folds flat into the carry case
Water resistance detail
Water resistance detail	No water resistance rating published	–
Works with
Works with	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	Smart Control Plus app for iOS and Android; USB audio with a Mac, PC or mobile device; 2.5 mm analogue input (switches off Bluetooth for flights)
Colours
Colours	Black; Lunar Silver added in September 2026 (Sennheiser US announcement)	Black, White, Denim, Lavender, Bronze
In the box
In the box	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	Headphones, carry case, USB-C to USB-C cable (approx. 1.2 m), 3.5 mm to 2.5 mm audio cable (approx. 1.2 m), quick guide, safety guide