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Sennheiser HDB 630

SennheiserMusic headset

HDB 630

Released October 2025.8Press articlethepcenthusiast.com/sennheiser-hdb-630-reviews-are-out-new-best-wireless-headphoneRead 5 October 2026Contemporaneous October 21, 2025 report expressly headphones now available and identifies actual US/UK shopping routes. Stored first retail month 2025-10. Maker planned October shipment corroborates. Incorrect SoundGuys September metadata rejected. Last checked 5 October 2026.

Form factor
Over-ear
Audio connections
Analog, USB, Bluetooth
Active noise cancelling
Yes
Battery life (claimed, max)
60h

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At a glance

All specs

SourceCalculated

General

Series
Not available
Model numbers
HDBT, 800164, 8001532Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026Regulatory HDBT from exact manual. Current Lunar Silver 800164 / UPC 810091276273 and Black 800153 / UPC 810091276099 directly joined in public maker SKU rows. Legacy 700445 remains in old specification text but is not added to current variant rows. No assumption that old commercial barcode identifies the new box.
GTIN / EAN
810091276273, 8100912760992Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026
Announced
8 October 20257Press releasenewsroom.sennheiser.com/audiophile-sound-cut-loose-lyf8raRead 5 October 2026Maker dateline October 8, 2025 announcing HDB 630, with October 21 planned shipment. Newsroom header October 7 differs by publication timing, dateline used. Planned shipping not used alone as actual retail.
Status
Available2Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026Exact public maker variants both available true. Current selling prices are not used as launch evidence.
Predecessor
Not available
Successor
Not available
Launch price (US)
$499.959Press releasenewsroom.sennheiser.com/audiophile-sound-cut-looseRead 5 October 2026Original international maker launch release Availability explicitly states MSRP 499.95 USD. This is launch MSRP, not the current store amount or reviewer metadata. EUR tax scope unproved and omitted.
Launch price (EU)
Not available
Markets
US5Reviewsoundguys.com/sennheiser-hdb-630-review-audiophile-anc-at-a-cost-146569Read 5 October 20269Press releasenewsroom.sennheiser.com/audiophile-sound-cut-looseRead 5 October 2026Maker explicitly publishes the US suggested retail price. Current exact US storefront independently confirms the marketed US configuration.
Colours
Lunar Silver, Black2Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026
Segment
Music7Press releasenewsroom.sennheiser.com/audiophile-sound-cut-loose-lyf8raRead 5 October 2026Maker launch describes audiophile music listening, consumer travel and voice calls.

Design

Form factor
Over-ear1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Ear cup enclosure
Closed1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Wearing style
Headband1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Folding
Flat5Reviewsoundguys.com/sennheiser-hdb-630-review-audiophile-anc-at-a-cost-146569Read 5 October 2026Exact review says headphones fold flat into case, not inward into a compact headband. Current manual page 43 generic fold up wording interpreted with exact flat photograph and maker flat dimensions.
Swivelling ear cups
Yes5Reviewsoundguys.com/sennheiser-hdb-630-review-audiophile-anc-at-a-cost-146569Read 5 October 2026Review flat-fold description with current manual storage diagram. RTINGS public Travel paragraph explicitly earcups swivel.
RGB lighting
Not available
Lighting zones
Not available

Drivers and sound

Driver type
Dynamic1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Driver size
42mm1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Drivers per side
Not available
Diaphragm material
Not available
Magnet
Not available
Frequency response (wired or passive)
Min6 HzMax40 kHz2Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026Exact current maker table and newer manual page 48: 6 Hz-40 kHz using Line-In, USB at 96 kHz, or Bluetooth aptX Adaptive at 96 kHz. Other settings 6 Hz-22 kHz. Older launch sheet limited analog/Bluetooth to 22 kHz, so current exact conditions take precedence.
Wireless audio transmission band
Not available
Impedance (passive when specified)
480Ω1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Maker explicitly active 480 ohms. Headphones require power even on analog input. No passive impedance exists in the table.
Sensitivity (passive when specified)
105dB1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026105 dB SPL at 1 kHz / 0 dBFS. No per-1-mW or per-1-V sensitivity reference assigned.
Sensitivity reference
Not available
THD (claimed)
0.2%1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Advertised strict upper bound below 0.2 percent at 1 kHz / 100 dB SPL. Stored 0.2 is the published ceiling, not a measured result.
Max input power
Not available
Max digital audio sample rate
96kHz2Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026Maximum playback resolution 24-bit/96 kHz through USB-C or compatible aptX Adaptive source, including supplied BTD 700. Hi-res mode must be enabled in app. Not a claim that every codec supports this format.
Max digital audio bit depth
24bits2Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026Maker explicit playback maximum 24 bits. No microphone recording format inferred.
DAC
Not available
Personalised sound
Not available
Onboard EQ
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 40 expressly EQ effects stored in headphones and active without app on a different Bluetooth source.
Custom EQ bands
56Reviewrtings.com/headphones/reviews/sennheiser/hdb-630Read 5 October 2026Public Office Work verdict explicitly five-band parametric EQ. Crossfeed is separate, not a virtual surround license or sixth EQ band.
EQ presets
Not available
Volume limit
Not available

Spatial audio

We could not find any of these 3 fields. Show them
Spatial audio support
Not available
Spatial audio licence included
Not available
Head tracking
Not available

Noise cancelling

Active noise cancelling
Yes1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
ANC type
Hybrid1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
ANC microphones
43Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 8 explicitly two outward and two inward ANC microphones, four physical capsules. Separate from four voice microphones on page 7.
Adaptive ANC
Yes1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
ANC levels
Not available
ANC attenuation (claimed)
Not available
Transparency mode
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Adjustable transparency
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 33 pinch gestures or app slider adjusts ANC and transparency intensity. No numeric level count inferred.
Conversation detection
Not available
Wind noise reduction
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 34 explicitly selectable Wind noise reduction Off, Auto or Max. These are wind-control modes, not ANC attenuation levels.

Measured

Frequency response notes
Not available
Bass amount
Not available
Treble amount
Not available
Deviation from target
Not available
Consistency between fittings
Not available
Harmonic distortion
Not available
Sound leakage
Not available
Measured noise isolation
Not available
Noise isolation (measured, best)
Not available
Passive isolation (measured)
Not available
Mic quality notes
Not available
Mic low-frequency extension
Not available
Mic high-frequency extension
Not available
Mic speech-to-noise ratio
Not available
Measured latency
Not available
Bluetooth latency (measured, worst)
Not available
2.4 GHz latency (measured, worst)
Not available
Measured battery life
ConnectionHours (h)
Bluetooth53.77
Source5Reviewsoundguys.com/sennheiser-hdb-630-review-audiophile-anc-at-a-cost-146569Read 5 October 2026Company-provided unit tested over two weeks. Battery result 53 h 46 min added November 6, 2025, stored 53.77 h rounded. Firmware/app version, codec and ANC state not reported for this run, left unknown. No partial-battery extrapolation from Tom Guide workday percentages.
Battery life (measured, max)
53.77h
Clamping force
Not available
Weight (measured)
Not available

Microphone

Microphone
Built-in1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Microphone element
MEMS1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Microphone pickup pattern
Omnidirectional3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 48 explicitly four omnidirectional speech microphones in 2x2 beamforming array. Capsule pattern is not the processed beamforming output pattern.
Voice microphones
41Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Exact maker table says two speech microphones per side, total four. Current manual device diagram page 7 and specifications page 48 also explicitly four. ANC microphones counted separately.
Total microphones
Not available
Mic frequency response
Min50 HzMax10 kHz1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Manual page 48 adds -3 dB condition to same 50 Hz-10 kHz maker speech range.
Mic sensitivity
Not available
Mic signal-to-noise
Not available
Mic sample rate
Not available
Mic noise reduction
Not available
Flip to mute
Not available
Mute button
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 36 multifunction button once toggles microphone while in call. Shared context-sensitive button, not dedicated mute hardware. BTD 700 also has its own separate mute control.
Mute indicator
Voice prompt3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Headphone Mute on / Mute off voice prompts page 36. Adapter red LED page 37 is not classified as a headphone cup or microphone LED.
Sidetone
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Adjustable sidetone
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Comfort Call page 37 own-voice playback can be enabled/disabled in app. No continuous intensity slider asserted.
Foam microphone windscreen
Not available

Connectivity

Audio connections
Analog, USB, Bluetooth3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Analog source plugs
3.5 mm TRS3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 5 stereo 3.5 mm source and 2.5 mm headphone plugs. Analog mode disables Bluetooth, call controls and headphone microphone functions, page 41. No TRRS microphone cable asserted.
Cable connector on headset
2.5 mm3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Longest included cable
1.2m3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Headset USB plug or port
USB-C3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Audio over USB-C cable
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 42 explicitly USB playback plus microphone recording on Mac/PC/mobile device, with simultaneous charging. Bluetooth should be disconnected first.
Passive wired listening
No6Reviewrtings.com/headphones/reviews/sennheiser/hdb-630Read 5 October 2026Public Wired Gaming verdict explicitly headphones must be powered on even via analog cable. Active analog converter requires battery. No gated measurements accessed.
Wireless receiver
Included3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 5 exact BTD 700 USB-C Bluetooth transmitter included. It is not a proprietary 2.4 GHz headset connection. No USB-A adapter in this exact box list.
Wireless receiver connector
USB-C3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Wireless range (claimed)
Not available
Bluetooth
5.21Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Headphones Bluetooth 5.2. Included BTD 700 adapter Bluetooth 5.4 is different hardware and is not the headphones version.
Bluetooth codecs
SBC, AAC, aptX, aptX HD, aptX Adaptive1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Headphone codecs SBC/AAC/aptX/aptX HD/aptX Adaptive. BTD 700 supports additional LC3 and aptX Lossless with other compatible devices, but these are not asserted for HDB 630.
LE Audio
Not available
Auracast
Not available
Bluetooth multipoint
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 19 two active Bluetooth sources, one audio stream at a time, six stored pairing profiles. BTD 700 itself stores one headset and should not be confused with headset pairing memory.
Multipoint devices
23Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Paired devices remembered
63Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Mixes 2.4 GHz and Bluetooth audio
Not available
Fast pairing
Not available
Base station
Not available

Latency

Low latency mode
Yes4Maker product pageus.sennheiser-hearing.com/pages/hdb-630-faqRead 5 October 2026Exact HDB 630 FAQ troubleshooting says triple-press supplied BTD 700 button triggers gaming/low-latency mode and scales 96 kHz down to 48 kHz. This is the matched adapter route, not native proprietary 2.4 GHz. No generic dongle 30 ms claim borrowed.
Claimed latency
ConnectionModeLatency (ms)
BluetoothaptX Adaptive80
USBAudio playback maximum40
AnalogAux without microphone30
Source4Maker product pageus.sennheiser-hearing.com/pages/hdb-630-faqRead 5 October 2026Exact HDB 630 gaming FAQ states aptX Adaptive 80 ms from Qualcomm, USB audio max 40 ms and aux 30 ms without microphone. USB microphone separate max 40 ms excluded from playback rows. Host/test method unspecified, these are manufacturer claims, not lab measurements.

Compatibility

Compatible platforms
Windows, macOS, Android, iOS3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Connection per platform
PlatformConnection
WindowsUSB
macOSUSB
WindowsBluetooth
macOSBluetooth
AndroidBluetooth
iOSBluetooth
Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Mac/PC USB digital playback and recording page 42, Bluetooth smartphone and PC/Mac call sections, and included BTD 700 host compatibility page 49 (Windows 10+, macOS 11/12, Android 13+, USB-C iPhone/iPad). Generic mobile USB does not establish all headphone USB routes on every phone.
Official licence
Not available

Battery and charging

Battery capacity
700mAh1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026700 mAh at 3.7 V in sheet and manual, which coherently equals 2.59 Wh. Sheet rounded energy 2.7 Wh differs, so no energy field inferred.
Swappable battery
No4Maker product pageus.sennheiser-hearing.com/pages/hdb-630-faqRead 5 October 2026Exact FAQ explicitly batteries cannot be exchanged, sealed embedded pack. Professional service is separate from user swapping.
Batteries included
11Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Page 3 battery table one single physical cell installed, none outside product.
Claimed battery life
ConnectionANCHours (h)
BluetoothYes60
Source1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Up to 60 h music via Bluetooth with ANC, iPhone at mid volume, standard resolution. Exact FAQ separately claims up to 45 h using aptX Adaptive 24-bit/96 kHz with BTD 700. Codec-less table avoids duplicate indistinguishable rows.
Battery life (claimed, max)
60h
Battery life with ANC (claimed)
60h
Battery life without ANC (claimed)
Not available
Charging port
USB-C1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Full charge time
120min1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026Maker full-charge claim about two hours. Manual page 16 explicitly complete charge cycle. Ambient above 30 C can extend duration.
Quick charge time
10min1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
Quick charge playback
7h1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 202610-minute charge for up to seven hours playback, corroborated current manual page 16 and exact FAQ near-empty battery. Current maker comparison table says six hours, contradicted by those three more exact sources. ANC state and codec for quick charge unstated.
Use while charging
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 16 explicitly music/calls while charging, potentially extending recharge time.
Charging dock or stand
Not available

Controls

Controls
Buttons, Touch3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Volume control
Touch3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Game and chat mix
Not available
Remappable controls
Not available
Wear detection
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Pages 8 and 39 automatic lifting/on-head switch-on, pause/resume and call mute on removal.
Voice assistant
Siri, Google Assistant3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 38 host Siri or Google Assistant via multifunction button, Bluetooth or USB, conditional on device/app support. No always-listening assistant inferred.

Comfort and build

Headband type
Padded4Maker product pageus.sennheiser-hearing.com/pages/hdb-630-faqRead 5 October 2026
Headband material
Japanese protein leatherette4Maker product pageus.sennheiser-hearing.com/pages/hdb-630-faqRead 5 October 2026Exact FAQ specifically Japanese leatherette headband, maker press names protein leatherette from IDEATEX. Does not identify frame/yoke material.7Press releasenewsroom.sennheiser.com/audiophile-sound-cut-loose-lyf8raRead 5 October 2026Exact maker launch explicitly Japanese protein leatherette headband from IDEATEX.
Frame material
Not available
Ear cup material
Not available
Ear pad material
Leatherette (synthetic)2Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026Exact current product ear-pad material field explicitly synthetic leatherette, separate from headband lining.
Replaceable ear pads
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Ear pad attachment
Clip3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 44 fastening ring pulls off and replacements click audibly into place around earcup, clip fit.
Ear pad opening
Not available
Ear tips included
Not available
Dust and water rating
Not available
User-replaceable parts
Ear pads, Analog audio cable3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 44 ear-pad replacement. Exact FAQ also offers aux cable as spare. Sealed battery is not user exchangeable.

Software

Companion app
Sennheiser Smart Control Plus1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
App platforms
Android, iOS1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026
User firmware updates
Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026

Dimensions and weight

Front and side, drawn to scale.

Headset weight
Not available
Headset dimensions
Width180Height195Depth51mm(7.1 × 7.7 × 2 in)1Maker spec sheet (PDF)cdn.uc.assets.prezly.com/366a6e36-55f2-48e2-a1a2-9a22870de4a1/-/inline/no/Senn_HDB%2520630_Spec_Sheet_EN.pdfRead 5 October 2026180 x 195 x 51 mm explicitly folded flat. No packaging, case or unfolded reviewer dimensions substituted.

Certifications

Hi-Res Audio
Hi-Res Audio4Maker product pageus.sennheiser-hearing.com/pages/hdb-630-faqRead 5 October 2026Exact FAQ transducer answer explicitly Hi-Res Audio certification. Wireless Hi-Res logo certification not expressly identified and omitted.
Communication certifications
Not available
FCC ID
Not available
Other certifications
Not available

In the box

In the box
Sennheiser HDB 630 headphones, BTD 700 USB-C Bluetooth dongle, USB-C to USB-C cable, 3.5 mm to 2.5 mm analog audio cable, In-flight adapter, Carry case, Quick guide, Safety guide, Compliance sheet3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 5 full exact bundle includes BTD 700, both 1.2 m cables, in-flight adapter, case and three documents. Older sheet omits dongle from box list, newer exact manual/current product agree it is included.
Cables included
TypeLength (m)Count
USB-C to USB-C audio and charging cable1.21
3.5 mm to 2.5 mm stereo audio cable1.21
Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026
Carrying case
Hard5Reviewsoundguys.com/sennheiser-hdb-630-review-audiophile-anc-at-a-cost-146569Read 5 October 2026Exact review explicitly fabric-covered hardshell case. Maker packaging Hard box not substituted for carry case.

Warranty

Manufacturer warranty (source market)
2years3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/hdb-630/Instruction%20manual%20HDB%20630/Instruction_manual_HDB_630.pdfRead 5 October 2026Page 50 HDB 630 warranty 24 months in named North America, Latin America/Caribbean, Asia-Pacific, Europe and Middle East. Included BTD 700 separately 12 months in first region group, 24 months Europe/Middle East. Headphone field reflects HDB 630, not accessory warranty.

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Sources

We read 9 sources for this headset. The numbers match the markers in the sheet.

  1. Read 5 October 2026Backs 28 fields
  2. Read 5 October 2026Backs 9 fields
  3. Read 5 October 2026Backs 36 fields
  4. Read 5 October 2026Backs 6 fields
  5. Read 5 October 2026Backs 5 fields
  6. Read 5 October 2026Backs 2 fields
  7. Read 5 October 2026Backs 3 fields
  8. Read 5 October 2026Backs 1 field
  9. Read 5 October 2026Backs 2 fields

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