Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with ANC and BTD 700 Bluetooth Adapter (Lunar Silver)

BH #SEHDB630SLV • MFR #800164
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Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with ANC and BTD 700 Bluetooth Adapter (Lunar Silver)
Key Features
  • Large 42mm Dynamic Drivers
  • Bluetooth Wireless aptX Adaptive and HD
  • BTD 700 Bluetooth Adapter
  • Up to 24-Bit / 96 kHz Lossless via USB-C
Experience audiophile sound and comfort with the Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with Adaptive Noise Cancellation and BTD 700 Bluetooth Adapter. With components designed to work together in perfect harmony, you will enjoy hi-res sound with powerful noise cancellation and 60-hour battery life while listening to wireless Bluetooth or lossless USB-C wired audio.
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Sennheiser HDB 630 Overview

From Manufacturer

Experience audiophile sound and comfort with the Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with Adaptive Noise Cancellation and BTD 700 Bluetooth Adapter. With components designed to work together in perfect harmony, you will enjoy hi-res sound with powerful noise cancellation and 60-hour battery life while listening to wireless Bluetooth or lossless USB-C wired audio.

Audiophile Tuning
Sennheiser's in-house 42mm transducer and refined acoustic design deliver a neutral audiophile sound with lifelike mids, stunning detail, and a wide, natural soundstage. Minimal digital processing ensures 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 listening up to 24-bit / 96 kHz.
Parametric EQ
Expert-level equalization lets you define frequency bands, widths, and filters to precisely shape your sound. Tailor bass, enhance vocals, or fine-tune for any genre, just like a mastering engineer.
Adaptive ANC and Transparency Mode
Powerful noise cancellation blocks distractions without degrading clarity, dynamics, or balance. Transparency Mode instantly lets in surrounding sounds when you need to stay aware.
Listen for Days
A class-leading 60-hour battery keeps you going through long trips or work weeks. Just 10 minutes of fast charging adds up to 7 hours of playtime, ideal for when you're on the move.
Refined Acoustic Architecture
Every part of the acoustic chain, from the transducer to the transparent acoustic mesh, to the optimized back volume, works in harmony to produce smooth upper mids, detailed treble, and an open, natural soundstage.
Proven Comfort
Lightweight build, low clamping force, generous earcups, and premium Japanese leatherette headband ensure hours of fatigue-free listening.
UPC: 810091276273

Sennheiser HDB 630 Specs

Connectivity
Multipoint Support
No
Maximum Paired Devices
1
Physical
Color
Silver / Silver
Dimensions
7.7 x 7.1 x 2" / 195 x 180 x 51 mm
Packaging Info
Package Weight
2.165 lb
Box Dimensions (LxWxH)
9.2 x 8.8 x 3.1"

Sennheiser HDB 630 Reviews

Almost truly great

By Juan
Rated 4 out of 5
Date: 2026-09-15

First things first. The sound quality is everything you've heard and more. Not only is it excellent but the fabulous EQ controls in the smart control app allow you to achieve a sound profile that really feels like something special to one's own ears. That said, there are a few let-downs. The build quality is nice, but not nice enough for this price range; less than four months in and mine are starting to sound rattily. Similarly, although the BTD700 makes some awesome things possible, managing bluetooth connectivity can be a real pain on these headphones. There are enough annoying hurdles when connected to a BT device and the BTD700 simultaneously, but if you're connected to two devices without the BTD prepare for a whole world of constant problems and headaches. The mic is pretty terrible as well. That said, what you're really buying these for is the sound quality and I do gotta say it's so so good that despite all those problems I'm still giving it four stars. The battery is insane too, btw.

Better than the AirPod Max 2 and Sony XM6

By Shafath
Rated 5 out of 5
Date: 2026-07-09

I compared these Sennheiser headphones to the AirPod Max 2 and Sony XM6 side by side and the Sennheiser wins on sound quality. If you want the best noise cancelling, the Apple or Sony headphones will be better. However if you want the cleanest sound and full control with parametric EQ the for Sennheiser wins. Best part is that it comes with a small USB transmitter that bypasses bluetooth limitations.

See any errors on this page?

Where is the volume control?

Where is the volume control?
Asked by: Lawrence
The volume control on the Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with ANC and BTD 700 Bluetooth Adapter is on the right ear cup.
Answered by: David M
Date published: 2025-10-19

Whats the recommended setting for using with a ...

Whats the recommended setting for using with a Windows pc? Does it come with a dolby headphone license?
Asked by: Elton
The Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with ANC and BTD 700 Bluetooth Adapter (BH # SEHDB630) does not require any special Window settings. A Dolby headphone license is not included or required for everyday applications. We do not offer Dolby ATMOS headphone licensing. Please apply directly to Dolby Professional for details regarding Dolby ATMOS headphone licensing for a Windows PC or Xbox console.
Answered by: Mark S
Date published: 2025-11-30

My wife is looking to buy wireless headphones for

My wife is looking to buy wireless headphones for her new Samsung TV with soundbar. I can't find a headphone jack on either the TV or soundbar. Does this headphone set require a jack?
Asked by: Daniel
The Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with ANC and BTD 700 Bluetooth Adapter does not require a headphone jack. It comes with a headphone cable to be able to connect the headphones to a headphone output. It also comes with a Bluetooth adapter, so that you can connect it wireless to any TV, smartphone, or tablet that has Bluetooth audio output. You would just go to the sound menu on your new Samsung TV and set the audio output to Bluetooth, and then pair it with these headphones to be able to use them.
Answered by: David M
Date published: 2026-07-23

Doesn't this have a headphone jack? I didn't see ...

Doesn't this have a headphone jack? I didn't see one listed in the Specs.
Asked by: Sammy
Yes, the Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with ANC and BTD 700 Bluetooth Adapter has a 3.5 mm jack on the right hand side.
Answered by: Thomas M
Date published: 2025-10-24
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