arkivoAPI
Menu

Headsets and headphones / Compare

Nothing Headphone (a) vs Sennheiser HDB 630

Product A: Nothing

Headphone (a)

89 of 161 known
Change Nothing Headphone (a)

Compare the Sennheiser HDB 630 with

Product B: Sennheiser

HDB 630

92 of 161 known
Change Sennheiser HDB 630

Compare the Nothing Headphone (a) with

80 of 152 fields differ

Download CSVDownload JSON
  • 36 different values
  • 44 known for one only
  • 28 the same
  • 44 missing for both

Biggest differences

Each bar uses the scale of all 149 headsets and headphones.

  1. Battery life (claimed, max)A: 135hB: 60hNothing is 75 h higher.
  2. Quick chargeA: 8hB: 7hNothing is 1 h higher.

Size, drawn to scale

Front and side.

All 161 fields

Every value links to where we found it.

ANothing Headphone (a)
BSennheiser HDB 630

General

5 of 8 differ
Series
Not available
Not available
Model numbers
B1862Spec databaseifixit.com/Device/Nothing_Headphone_(a)Read 15 October 2026Specifications: Model number B186. The Amazon listing also prints Model Number B186. Retailer codes such as A11300038 at LDLC are not stored.
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
6974434227446, 6974434227453, 6974434227439, 69744342275696Maker product pagede.nothing.tech/products/headphone-aRead 15 October 2026Store variant data on the Nothing EU store: SKU and barcode 6974434227446 White, 6974434227453 Black, 6974434227439 Pink, 6974434227569 Yellow.
810091276273, 8100912760992Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026
Announced
5 March 20264Reviewtechradar.com/audio/wireless-headphones/the-nothing-headphone-a-are-here-and-they-rock-here-are-5-things-you-need-to-know-about-themRead 15 October 2026Article published 5 March 2026 on the launch. Pre-orders opened on 5 March 2026 and sales started on 13 March 2026 for white, black and pink. The yellow edition followed from 6 April 2026 (Hardware Busters). iFixit says the newsroom announcement was on 26 February, which is a teaser date.5Press articlehwbusters.com/news/nothing-launches-affordable-headphoneRead 15 October 2026Available starting March 13 for black, white and pink and April 6 for the limited-edition yellow. Pre-orders open at launch. The article gives EUR 189 for Greece, a country price that is not stored.
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
Available1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026The page sells the headphones at $199 with Add to bag.
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
Not available
Successor
Not available
Not available
Launch price (US)
$1991Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026$199 on the Nothing US store with an Add to bag button.3Reviewtechradar.com/audio/wireless-headphones/nothing-headphone-a-reviewRead 15 October 2026Official price $199 / GBP 149 / AU$329.
$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)
€1596Maker product pagede.nothing.tech/products/headphone-aRead 15 October 2026German Nothing store lists EUR 159. Trusted Reviews and GSMArena give the same EUR 159 MSRP at launch. Tax treatment is not stated.13Reviewtrustedreviews.com/reviews/nothing-headphone-aRead 15 October 2026MSRP of GBP 149 in the UK ($199 / EUR 159).14Press articlegsmarena.com/nothing_headphone_a_unboxing-news-72043.phpRead 15 October 2026At GBP 149 / $199 / EUR 159 you're getting a lot for not a lot.
Not available
Markets
Not available
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
White, Black, Pink, Yellow1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Colour picker: White, Black, Pink, Yellow.
Lunar Silver, Black2Maker product pageus.sennheiser-hearing.com/products/hdb-630Read 5 October 2026
Segment
Music1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Listed under Audio. Marketed for music listening with ANC, a tuned EQ and Hi-Res Audio. Stored as music.
Music7Press releasenewsroom.sennheiser.com/audiophile-sound-cut-loose-lyf8raRead 5 October 2026Maker launch describes audiophile music listening, consumer travel and voice calls.

Design

1 of 7 differ
Form factor
Over-ear2Spec databaseifixit.com/Device/Nothing_Headphone_(a)Read 15 October 2026Specifications: Type Over-ear.
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
Closed2Spec databaseifixit.com/Device/Nothing_Headphone_(a)Read 15 October 2026Specifications: Enclosure Closed.
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
Headband8Reviewsoundguys.com/nothing-headphone-a-review-154232Read 15 October 2026Headband with a plastic friction band.
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
None9Measurementsoundguys.com/product/nothing-headphone-aRead 15 October 2026Spec list: Foldable No. Which? also lists Headphones fold: No.10Reviewwhich.co.uk/reviews/headphones/nothing-headphone-aRead 15 October 2026Public spec list: Headphones fold No. The rest of the review is paywalled and was not used.
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
Yes16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026The rectangular earcups can both tilt and swivel.
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
Not available
Lighting zones
Not available
Not available

Drivers and sound

10 of 20 differ
Driver type
Dynamic1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: a 40 mm titanium-coated diaphragm with a next-gen magnet and voice-coil system. HeadphoneCheck calls them 40 mm dynamic drivers.16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026Custom-developed 40 mm dynamic drivers. Technical specifications: transducer principle dynamic.
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
40mm1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Sound: Drivers 40 mm.
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
Not available
Diaphragm material
PEN+PU dome, titanium-coated1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Diaphragm: Dome material PEN+PU, Coating titanium-coated.
Not available
Magnet
Not available
Not available
Frequency response (wired or passive)
Min20 HzMax40 kHz1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Sound: RF 20 Hz - 40,000 Hz. The row label is RF and no power state or test standard is given. Expert Reviews and iFixit repeat 20 Hz to 40 kHz.
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
Not available
Impedance (passive when specified)
16Ω17Retailer pageamazon.com/dp/B0G6L57FHVRead 15 October 2026Listing attribute: Impedance 16 ohm. The maker table has no impedance row. The listing also prints Model Number B186 and a 1 year manufacturer warranty. The power state is not stated. The listing title says 5 HD mics, which the maker does not support.
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)
Not available
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
Not available
THD (claimed)
Not available
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
Not available
Max digital audio sample rate
96kHz16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026Over USB-C under macOS the headphones are recognised automatically and support up to 24-bit/96 kHz. This is the reviewer's observation and the maker prints 24-bit/96 kHz only for LDAC.
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
24bits16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026Over USB-C under macOS the headphones support up to 24-bit/96 kHz.
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
Not available
Personalised sound
No16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026A personalised sound profile feature is missing compared to the Headphone (1).
Not available
Onboard EQ
Not available
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
81Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Nothing X: advanced 8-band equaliser.
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
Balanced, More Bass, More Treble, Voice13Reviewtrustedreviews.com/reviews/nothing-headphone-aRead 15 October 2026Four default EQ settings. The names come from the Nothing support article on equalisers for the Headphone (a): Balanced, More Bass, More Treble and Voice, plus Custom and Advanced modes.15Maker product pagesupport.nothing.tech/hc/en-us/articles/44186010442001-How-many-equalisers-does-Nothing-Headphone-a-offerRead 15 October 2026Four preset EQ modes, Balanced, More Bass, More Treble and Voice, with Custom and Advanced modes. The page is behind a bot check, so the wording was read through search result text.
Not available
Volume limit
Not available
Not available

Spatial audio

2 of 3 differ
Spatial audio support
Static Spatial Audio: Cinema mode, Static Spatial Audio: Concert mode1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Nothing X: Static Spatial Audio modes inspired by live concerts and cinematic moments. SoundGuys and TechRadar name the two modes Cinema and Concert.3Reviewtechradar.com/audio/wireless-headphones/nothing-headphone-a-reviewRead 15 October 2026Spatial audio with Concert and Cinema modes, processed by Nothing, with no head tracking or Dolby Atmos.
Not available
Spatial audio licence included
Not available
Not available
Head tracking
No1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026TechRadar says there is no head tracking or Dolby Atmos. The maker page lists none.3Reviewtechradar.com/audio/wireless-headphones/nothing-headphone-a-reviewRead 15 October 2026You do not get head tracking or Dolby Atmos here.
Not available

Noise cancelling

4 of 10 differ
Active noise cancelling
Yes1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Noise Cancellation: Type 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 type
Hybrid1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: 2mic Hybrid ANC (single side). Page text: dual feedforward and feedback microphones.16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026The hybrid noise cancelling is effective in the low-frequency range.
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
41Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Total 4 mics and 2mic Hybrid ANC (single side). Read as two ANC microphones on each earcup, as on the Headphone (1) Pro table where 5 per side makes 10 in total. Expert Reviews reads it as ANC on one side only.
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 product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Type 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
31Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: three levels of Active Noise Cancellation. Expert Reviews names Low, Mid and High plus an Adaptive setting.12Reviewexpertreviews.co.uk/technology/headphones-audio/nothing-headphone-a-reviewRead 15 October 2026Three levels, Low, Mid and High, plus an Adaptive setting.16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026The app has a three-level ANC mode (Low, Medium, High) and an adaptive option.
Not available
ANC attenuation (claimed)
40dB1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Depth up to 40 dB at 2000 Hz. Footnote 1: the 40 dB is a theoretical maximum from the Nothing laboratory and actual cancellation varies.
Not available
Transparency mode
Yes1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Features: 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
No16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026The transparency mode offers no adjustable settings.
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
Not available
Wind noise reduction
Not available
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

5 of 21 differ
Frequency response notes
Against the SoundGuys house curve the response sits about 4 to 5 dB above it in the sub-bass, dips to about 7.5 dB below it near 250 Hz and rises to about 7 dB above it near 3 kHz. The treble stays above the curve to 10 kHz and rolls off above 12.5 kHz.9Measurementsoundguys.com/product/nothing-headphone-aRead 15 October 2026Lab chart, SoundGuys Headphone Preference Curve: about +3.7 to +5.1 dB from 20 Hz to 100 Hz, +2.5 dB at 125 Hz, -7.5 dB at 250 Hz, -0.1 dB at 1 kHz, +6.8 dB at 3.15 kHz, +4.0 to +4.9 dB at 5 to 6.3 kHz, +1.5 dB at 10 kHz, -6.4 dB at 16 kHz and -20.9 dB at 20 kHz. The SoundGuys target is its own house curve and the test rig is not named. iFixit describes a bass-forward signature with a dip near 200 Hz.
Not available
Bass amount
Not available
Not available
Treble amount
Not available
Not available
Deviation from target
Not available
Not available
Consistency between fittings
Not available
Not available
Harmonic distortion
Not available
Not available
Sound leakage
Not available
Not available
Measured noise isolation
Not available
Not available
Noise isolation (measured, best)
Not available
Not available
Passive isolation (measured)
Not available
Not available
Mic quality notes
On a phone call the voice was audible and intelligible but a little muffled, and traffic noise was fully silenced.11Reviewtomsguide.com/audio/headphones/nothing-headphone-a-reviewRead 15 October 2026Call quality section: the callee found the voice audible and intelligible but a little muffled, and traffic noise around the caller was completely silent. This is a phone-call listening test and not a lab measurement.
Not available
Mic low-frequency extension
Not available
Not available
Mic high-frequency extension
Not available
Not available
Mic speech-to-noise ratio
Not available
Not available
Measured latency
Not available
Not available
Bluetooth latency (measured, worst)
Not available
Not available
2.4 GHz latency (measured, worst)
Not available
Not available
Measured battery life
ANothing Headphone (a)
Not available
BSennheiser HDB 630
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)
Not available
53.77h
Clamping force
Not available
Not available
Weight (measured)
311g(11 oz)16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026Technical specifications: Weight without cable 311 g and with cable 328 g. Which? also lists 311 g. The maker states 310 g. The cable inclusion matches the maker basis because the headphones have a detachable cable.
Not available

Microphone

10 of 16 differ
Microphone
Built-in1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Built-in microphones for calls. No boom microphone appears in the box list or spec table.
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
Not available
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
Not available
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
31Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: 3 MIC ALGORITHM FOR CALLS. Page text: three microphones for Clear Voice Technology.
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
41Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Total 4 mics. The Amazon listing title says 5 HD mics, which the maker table does not support.
Not available
Mic frequency response
Not available
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
Not available
Mic signal-to-noise
Not available
Not available
Mic sample rate
Not available
Not available
Mic noise reduction
AI1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026AI-powered Clear Voice Technology trained on over 28 million real-world scenarios for calls.
Not available
Flip to mute
Not available
Not available
Mute button
Not available
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
Not available
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
Not available
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
Not available
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
Not available

Connectivity

10 of 20 differ
Audio connections
Bluetooth, Analog, USB1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: LDAC over Bluetooth, and a USB-C or 3.5 mm connection. The box has a USB-C cable for charging and USB audio and a 3.5 mm cable.
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 TRS2Spec databaseifixit.com/Device/Nothing_Headphone_(a)Read 15 October 2026Specifications, Interface: Line-in 3.5 mm stereo.
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
3.5 mm1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: connect with a USB-C or 3.5 mm jack. TechRadar and Expert Reviews describe a 3.5 mm jack on the right earcup.
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
1.2m1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026In the box: 3.5 mm audio cable 1.2 m and USB-C cable 1.2 m.
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-C1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026In the box: USB-C cable (1.2M) for charging and USB audio.
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
Yes1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026In the box: USB-C cable (1.2M) (charging & USB Audio). TechRadar listened over USB-C in Hi-Res Audio.
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
Not available
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
None1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Bluetooth only. The box lists no receiver or dongle.
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
Not available
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)
10m1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Connectivity: Connection range 10 M.
Not available
Bluetooth
5.41Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Bluetooth version 5.4.
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
AAC, SBC, LDAC1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Codecs AAC, SBC, LDAC.
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
Not available
Auracast
Not available
Not available
Bluetooth multipoint
Yes1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Dual connection YES. SoundGuys says it is not true multipoint but two devices stay connected and swap streams. Dual connection is off by default and is switched on in Nothing X.8Reviewsoundguys.com/nothing-headphone-a-review-154232Read 15 October 2026Dual connection: two devices on the connections list swap audio streams at the same time, no true 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
21Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Dual connection: two 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
Not available
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
Not available
Fast pairing
Google Fast Pair, Microsoft Swift Pair1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Tech Integrations: Google Fast Pair and Microsoft Swift Pair.
Not available
Base station
Not available
Not available

Latency

1 of 2 differ
Low latency mode
Yes1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Low lag mode. TechRadar finds a low-lag mode for gaming in the app.3Reviewtechradar.com/audio/wireless-headphones/nothing-headphone-a-reviewRead 15 October 2026The app has a low-lag mode for gaming.
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
ANothing Headphone (a)
ConnectionModeLatency (ms)
BluetoothGame Mode on Nothing phones120
Source1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Footnote 3: latency can be as low as 120 ms when paired with Nothing phones with Game Mode on. This is a minimum claim for Nothing phones only.
BSennheiser HDB 630
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

2 of 3 differ
Compatible platforms
Android, iOS, Windows1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: dual-device connections on Android, Windows and iOS. Spec table: Android 5.1 and above, iOS 13 and above.
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
ANothing Headphone (a)
Not available
BSennheiser HDB 630
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
Not available

Battery and charging

8 of 13 differ
Battery capacity
1,060mAh1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Battery: 1060 mAh rechargeable lithium-ion.
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
No2Spec databaseifixit.com/Device/Nothing_Headphone_(a)Read 15 October 2026Specifications, Battery: User-replaceable No.
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
Not available
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
ANothing Headphone (a)
ConnectionANCCodecHours (h)
BluetoothNoAAC135
BluetoothYesAAC75
BluetoothNoLDAC90
BluetoothYesLDAC62
Source1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Playback: AAC ANC off up to 135 h, ANC on up to 75 h, LDAC ANC off up to 90 h, ANC on up to 62 h. Footnote 2: the 135 h figure is at 50% volume, AAC, default settings and 25 C from the Nothing laboratory. Expert Reviews prints 60 h for LDAC with ANC and iFixit prints 62 h, so the maker table is followed. The table also gives talk time of 72 h ANC off and 50 h ANC on, which has no field.
BSennheiser HDB 630
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)
135h
60h
Battery life with ANC (claimed)
75h
60h
Battery life without ANC (claimed)
135h
Not available
Charging port
USB-C1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Type-C wired charging.
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 product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Charging: Type-C wired charging to full 2 hours.
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
5min1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Fast charging: 5 min charge.
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
8h1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: 5 min charge gives 8 hours with ANC off and 5 hours with ANC on. Footnote 2: ANC off, 50% volume, AAC, default settings, 25 C. The ANC-off figure is stored.
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
Yes13Reviewtrustedreviews.com/reviews/nothing-headphone-aRead 15 October 2026A full charge from flat takes 2 hours, but you can charge them while you're listening.
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
Not available

Controls

5 of 6 differ
Controls
Volume wheel, Buttons, Slider1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table, Controls: Roller for volume and play, Paddle for tracks, Button, and an On/Off switch. The Paddle and Button are stored as buttons, the Roller as a volume wheel and the switch as a slider.
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
Wheel1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Roller: roll right or left for volume up or down.
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
Not available
Remappable controls
Yes1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Footnote 5: Nothing Headphone (a) allows customisable controls. The Button functions are set in Nothing X.
Not available
Wear detection
No3Reviewtechradar.com/audio/wireless-headphones/nothing-headphone-a-reviewRead 15 October 2026No auto-pause feature (wearer detection).12Reviewexpertreviews.co.uk/technology/headphones-audio/nothing-headphone-a-reviewRead 15 October 2026The (1) have wear detection and the (a) do not.
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
ChatGPT1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: the Button can start ChatGPT. Footnote 7 says the default on iOS and Android is an AI smart 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

9 of 11 differ
Headband type
Not available
Padded4Maker product pageus.sennheiser-hearing.com/pages/hdb-630-faqRead 5 October 2026
Headband material
Liquid silicone1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: form-fitting headband made of liquid silicone.
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
Flexible steel arms with metal injection molded hinges and a glass-fibre reinforced nylon slider1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: flexible steel arms, Metal Injection Molding hinges and a sliding component of 55% glass fibre reinforced nylon. Trusted Reviews says the housings are plastic with steel hinges.
Not available
Ear cup material
Plastic13Reviewtrustedreviews.com/reviews/nothing-headphone-aRead 15 October 2026Housings are all plastic apart from steel hinges. SoundGuys also calls the chassis mainly plastic.
Not available
Ear pad material
Memory foam with leatherette1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: memory foam ear cups. Trusted Reviews says the cushions are covered with leatherette over memory foam.13Reviewtrustedreviews.com/reviews/nothing-headphone-aRead 15 October 2026Ear cushions covered with a leatherette material with soft memory foam underneath.
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
Not available
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
Not available
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
Not available
Ear tips included
Not available
Not available
Dust and water rating
IP521Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table and page text: IP52 dust and water resistance. Footnote 9 says the tests are Nothing laboratory results.
Not available
User-replaceable parts
Not available
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

1 of 3 differ
Companion app
Nothing X1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Footnote 6: Nothing X 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 product pageus.nothing.tech/products/headphone-aRead 15 October 2026Footnote 6: Nothing X is on Google Play and the iOS App Store.
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
Yes16Reviewheadphonecheck.com/test/nothing-headphone-aRead 15 October 2026Firmware updates can be installed directly through the Nothing X app.
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

2 of 2 differ
Headset weight
310g(10.9 oz)1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table: Headphones weight 310 G.
Not available
Headset dimensions
Width177Height190.4Depth78mm(7 × 7.5 × 3.1 in)1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Spec table labels: Height 177.0 mm, Width 78.0 mm, Depth 190.4 mm. Those labels do not fit a wearing orientation. A 78 mm width cannot be across the head. Tom's Guide lists 7 x 3.1 x 7.6 in. The values are stored as across the head 177.0, top to bottom 190.4 and front to back 78.0. The maker does not state the headband or cup position.
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

1 of 3 differ
Hi-Res Audio
Hi-Res Audio, Hi-Res Audio Wireless1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Page text: Hi-Res Audio certified for wired and wireless listening.
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
Not available
FCC ID
Not available
Not available
Other certifications
Not available
Not available

In the box

3 of 3 differ
In the box
Headphone (a), Carry pouch, 3.5 mm audio cable (1.2 m), USB-C cable (1.2 m) for charging and USB audio, Quick start guide1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026In the box: Headphone x1, Carry pouch x1, 3.5 mm audio cable (1.2M) x1, USB-C cable (1.2M) x1 (charging and USB Audio), QSG x1.
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
ANothing Headphone (a)
TypeLength (m)Count
3.5 mm audio cable1.21
USB-C cable for charging and USB audio1.21
Source1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026In the box list. Lengths 1.2 m each.
BSennheiser HDB 630
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
Soft1Maker product pageus.nothing.tech/products/headphone-aRead 15 October 2026Carry pouch 270 x 230 x 15 mm, 30 g. Expert Reviews and Trusted Reviews describe a drawstring fabric pouch.
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

1 of 1 differ
Manufacturer warranty (source market)
1year7Maker product pageus.nothing.tech/pages/terms-of-salesRead 15 October 2026US store terms, section 6.8: Headphones and other electronic devices have a limited warranty of twelve (12) months. This is the US store and other regions can differ. The Amazon listing also says 1 year manufacturer.
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.

Both are also in the API. Back to all headsets and headphones.