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Sennheiser HDB 630 (700445)

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Sennheiser HDB 630
Colour
Connection and design
Designoverhead, closed
full size Over-Ear
swiveling earcups
Connection typecombined
Connectionmini-Jack (3.5 mm)
USB-C
Bluetooth v5.2
Plugstraight
Cable supplysingle-sided
Cable length1.2 m
Range10 m
Cable typeround
Detachable cable
Specs
Hi-Res Audio
Impedance480 Ohm
Frequency range6 – 40000 Hz
Sensitivity105 dB
Speaker size42 mm
Emitter typedynamic
Harmonic distortion coefficient< 0.2 %
Microphone specs
Microphonebuilt into the case
Number of microphones4 pcs
Frequency range50 – 10000 Hz
Features
Mobile app
Volume control
Autopause
Noise cancellationadaptive ANC
Transparent mode
Codec supportaptX Adaptive
AAC
Power supply
Power sourcebattery
Headphone battery capacity700 mAh
Charging time2 h
Operating time (music)60 h
Fast charge10 minutes for 7 hours of work
Charging portUSB-C
General
Ear cushion materialleatherette
Weight311 g
In boxsheath
USB-C dongle
Official Websitesennheiser-hearing.com
Added to E-CatalogNovember 2025
P/N
700445

Wide frequency range, good battery life, fine-tuning of sound using the proprietary app.

Over-ear full-size headphones from niche manufacturer Sennheiser offer an advanced-class solution for demanding audiophiles and quality sound enthusiasts. The model is notable for its combined connectivity, supporting three methods — two wired options with a mini-Jack (3.5 mm) and USB-C (including detachable audio cables), plus Bluetooth v 5.2, with a special BTD 700 dongle.

The Sennheiser HDB 630 headphones are equipped with 42mm dynamic drivers operating in a wide frequency range of 6 to 40000 Hz. They are Hi-Res Audio licensed and provide a very detailed and balanced soundstage, which allows for fine adjustments via the branded mobile app. A strong point of the model is the active noise-cancellation system adaptive ANC, which effectively blocks external noise.

There is also a transparency mode for clear background and ambient sound audibility, supports aptX Adaptive codec, and additional useful options, including auto-pause upon removal. The model includes four built-in microphones, rotating cups, and a sturdy body that supports a comfortable fit, thanks to a flexible headband with soft padding and quality faux leather ear pads. The 700 mAh battery ensures great autonomy, up to 60 hours of music listening. A full charge cycle takes 2 hours, but there is also fast charging — 10 minutes of power gives another 7 hours of operation.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Sennheiser HDB 630 Wireless Over-Ear Headphones - Hi-Res Audiophile Sound Adaptive Noise Cancellation Parametric EQ 60 Hour

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Sennheiser - HDB 630 Around-the-ear Bluetooth Wireless Headphones - Black

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Sennheiser - HDB 630 Around-the-ear Bluetooth Wireless Headphones - Black HDB 630

Sennheiser HDB 630 Wireless Audiophile Headphones - High-Res Sound with Parametric EQ and Crossfeed, Bluetooth Headset with A... moreNC and 60h Battery Life, Lightweight Design, Clear Calls - includes BTD 700. Flawless sound, no wires, and a battery that lasts for up to 60 hours. The Sennheiser HDB 630 lets outaketrueaudiophilesoundanywhere you go. Precision engineering brings out breathtaking clarity, a neutral tone, detailed mids, and a wide soundstage. Use aptX HD and aptX Adaptive Bluetooth® codecs from a high-resolution source such as Sennheiser’s BTD 700 Bluetooth® adapter or plug in via USBC for pure fidelity. The advanced parametric EQ lets you define frequency bands and filters as you please. Cross Fade balances classic tracks for better headphone listening while Active Noise Cancellation eliminates background noise while maintaining high-end audio quality.
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Sennheiser HDB 630 Wireless Over-Ear Headphones - Hi-Res Audiophile Sound, Adaptive Noise Cancellation, Parametric EQ, 60 Ho

Audiophile tuning: Sennheisers in-house 42 mm transducer and refined acoustic design deliver a neutral audiophile sound with... morelifelike mids, stunning detail, and a wide, natural soundstage. With minimal digital processing ensuring pure fidelity true to the original recording. Wireless or wired: Enjoy high-resolution wireless sound with support for aptX HD and aptX Adaptive, especially when paired with the included BTD 700 Bluetooth adapter. For maximum purity, connect via USB-C for lossless liste
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Sennheiser HDB 630 Headphones

The Sennheiser HDB 630 wireless over-ear headphones offer true audiophile sound. With their 42 mm transducers and sophisticat... moreed acoustic architecture, they deliver breathtaking clarity, balanced mids, and an expansive soundstage. Enjoy high-resolution audio with aptX™ HD and aptX™ Adaptive as the included BTD 700 Bluetooth® USB C Dongle upgrades your smartphone with aptX™ Adaptive, enabling high-resolution wireless audio transmission to your headphones. For maximum purity, connect via USB C-cable for lossless listening up to 24-bit/96 kHz. The headphones have features such the all-new parametric EQ and Crossfeed which makes it easier to listen to older recordings. It is like putting your headphones in expert mode, letting you define frequency bands and filters. The Hybrid Adaptive Noise Cancellation eliminates distractions, while Transparency Mode lets you hear your surroundings when needed. The noise-cancelling headphones offer up to 60 hours of battery life, and with only 10 minutes of charging, you can enjoy another 7 hours of playtime. The headphones have a low clamping force and the headband is covered with high-quality Japanese leatherette, ensuring all-day comfort. Thanks to the fold-flat design, they are easy to store. The headphones come with a carry case, USB C and audio cable, as well as an in-flight adapter to ensure a fulfilling listening experience wherever you go.
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