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Specifications of the Sennheiser HDB 630
Experience true audiophile performance wirelessly with the Sennheiser HDB 630, combining high-res audio, adaptive noise cancellation, up to 60 hours of battery life and the included BTD 700 dongle for stable aptX Adaptive playback up to 24-bit/96kHz.
At Smart Home Sounds we pride ourselves on customer satisfaction and would like our customers to be 100% happy with their purchase.
We offer 30-day hassle-free returns and personalised service from real-life people. If an item doesn't meet your expectations, simply return your item to us in its original condition and packaging within 30 days for a full refund or exchange.
Exclusions:
Want to return a faulty or damaged product? No worries - Smart Home Sounds will arrange a collection or exchange should this be necessary.
5-Star What Hi-Fi? Rated
Praised for setting “a new standard of wireless sound at this level,” the HDB 630 earned a full five stars from What Hi-Fi?, cementing their place among the best premium wireless headphones available.
BTD 700 Hi-Res USB-C dongle Included
The included BTD 700 USB-C dongle ensures stable aptX Adaptive transmission up to 24-bit/96kHz, even if your phone or laptop doesn’t normally support it. It’s an upgrade that not many headphones in this category offer.
Audiophile Tuning, On The Go
The HDB630 are built to deliver hi-fi tuning in a wireless format. They’re balanced, detailed and designed for listeners who care about accuracy.
Over-Ear Wireless Headphones
Sennheiser HDB 630
Enjoy perfectly balanced audiophile sound everywhere you go with the Sennheiser HDB 630 which combine up to 60 hours of battery life with stable aptX Adaptive playback up to 24-bit/96kHz, delivering genuine high-res sound whether you’re listening wirelessly or via USB-C.
Neutral, Detailed and Unapologetically Hi-Fi
Audiophile Sound, Wirelessly
The HDB 630 are tuned differently to most wireless headphones at this level. Instead of boosting bass or sharpening treble for instant impact, Sennheiser have aimed for balance and precision.
Bass is tight and controlled. The midrange is clear and lifelike, placing vocals naturally in the mix. Treble is open and detailed without becoming harsh or fatiguing. The result is a presentation that feels spacious, composed and refined which is especially impressive from a closed-back wireless design.
42mm Transducer & Acoustic Design
Engineered for Balance
At the heart of the HDB 630 is Sennheiser’s in-house 42mm dynamic transducer, developed specifically for a more neutral, reference-style presentation. It’s supported by a redesigned acoustic mesh and optimised internal cavity, helping to smooth the upper mids and refine treble response.
The deeper back volume allows bass to extend cleanly without becoming bloated, while the controlled tuning keeps vocals natural and well positioned within the soundstage.
Adaptive Silence, Without Sacrificing Sound
ANC & Transparency Mode
The HDB 630 feature Sennheiser’s latest Adaptive Noise Cancellation that monitors your surroundings and adjusts in real time. Rather than aggressively clamping down on outside noise at the expense of sound quality, the system is tuned to preserve clarity, dynamics and balance.
Transparency Mode allows external sound to pass through naturally when needed without dramatically altering the headphone’s tonal character.
Codec Support That Goes Beyond Standard
aptX Adaptive and aptX HD Support
The HDB 630 support aptX Adaptive and aptX HD, allowing for wireless playback up to 24-bit/96kHz when paired with compatible devices. Compared to standard Bluetooth codecs, this delivers greater clarity, improved dynamic range and lower latency.
A Real Upgrade in the Box
BTD 700 USB-C Dongle Included
Where many headphones rely entirely on your device’s built-in Bluetooth, the HDB 630 go a step further. With Sennheiser’s BTD 700 USB-C dongle included in the box, you can access stable aptX Adaptive transmission even if your phone, tablet or laptop doesn’t natively support advanced codecs.
“It’s a genuinely useful addition for laptop and mobile users and something very few competitors include. Plug it in, and you immediately unlock an extra layer of performance.”
Lui G.
Tech Guide
Sennheiser HDB 630
Pros & Cons
Pros
Cons
Built For Serious Listening Sessions
60 Hours of Battery Life
With up to 60 hours of playback even with Bluetooth and ANC enabled the HDB 630 are designed to last days, not hours. Whether it’s long-haul travel, full work weeks or extended listening sessions at home, charging becomes something you rarely have to think about.
When you do need to top up, fast charging keeps things practical. A short 10-minute charge delivers around seven hours of playback, while a full recharge takes approximately two hours.
Take Control of the Tuning
Parametric EQ & Crossfeed
For listeners who like to fine-tune their sound, the HDB 630 go well beyond basic EQ presets. The advanced parametric equaliser allows precise adjustment across multiple frequency bands, letting you shape the presentation exactly to your preference.
There’s also a crossfeed feature that subtly blends channels to create a more natural, speaker-like presentation.
Fatigue-Free Listening
Supreme Comfort
With a frame that feels lightweight yet solid, and deeply cushioned ear pads that sit comfortably around the ear, the HDB 630 are designed for long, uninterrupted sessions.
The clamping force is carefully balanced to feel secure without pressing too firmly, making them easy to wear whether you’re commuting, working or listening for hours at home.
What our Experts Say...
Vs. Sennheiser Momentum 4 Wireless
Both models share Sennheiser’s core engineering, but they’re aimed at slightly different listeners:
The Momentum 4 Wireless are tuned for warmth and impact, with a fuller low-end and an easy, engaging sound straight out of the box.
The HDB 630 take a more neutral, reference-leaning approach, making them the better choice for listeners who prioritise absolute sound quality, balance and precision.
Shop Sennheiser Momentum 4 Wireless
Your Questions, Answered
Sennheiser HDB 630 FAQs
Q. Are the HDB 630 better than Momentum 4?
A. It depends on what you value. From our testing the Momentum 4 are warmer. But if you prioritise balance, detail and tuning control, the HDB 630 sit a step above.
Q. Does the BTD 700 dongle actually improve sound quality?
A. Yes, especially if your device doesn’t natively support advanced codecs. The included dongle enables stable aptX Adaptive transmission up to 24-bit/96kHz, helping you access the headphones’ full wireless performance.
Q. Are the HDB 630 truly high-resolution wirelessly?
A. When paired with compatible devices (or the included BTD 700 dongle) they support aptX Adaptive and aptX HD for high-resolution playback up to 24-bit/96kHz. You can also connect via USB-C for wired high-resolution listening.
The Smart Home Sounds 6 Year Guarantee
Get true peace of mind with our FREE extended 6 year warranty on your Sonos speaker
We endeavour to provide the best service possible & go the extra mile. We are so impressed with the build quality of Sonos, we offer an automatic 6-year extended warranty on all Sonos speakers* at no extra cost, giving you complete peace of mind.
If your product becomes faulty in the first 6 years from purchase, we will repair or replace your unit with a brand new item. If the product is unrepairable and the model purchased is no longer available, you will be issued with a store credit for the full value paid of the failed product.
*Excludes Sonos headphones
The good news is you don't need to follow any additional steps to activate your extended 6-year warranty. No paperwork is required as this process is done digitally.
Please read the full terms & conditions on our 6-year warranty.
At Smart Home Sounds, we are leading Home Audio Visual Specialists and one of the UK’s largest Sonos dealers. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
30 Day Hassle-free returns
We promise you'll love your new purchase. If you don't, we'll refund you with no questions asked!
OUR 30 DAY HASSLE-FREE RETURNS POLICY
At Smart Home Sounds, we strive to offer the best service possible for our customers and only sell and recommend products we have tried, tested and love ourselves. However, the best way to know if a product is right for you is to test it yourself.
For a risk-free purchase, we’ve given you 30 days to test out your new items and if you’re not 100% satisfied, we’re happy to refund your order with no questions asked.
Return costs for non-faulty items are the responsibility of the purchaser as our standard shipping is free.
All we ask is that all items are sent back as received, in their original condition and with the original packaging, manuals & components.
HOW DOES THE RETURNS POLICY WORK?
Please read our full Terms & Conditions here.
ABOUT SMART HOME SOUNDS
At Smart Home Sounds, we are leading Home Audio Visual Specialists and one of the UK's largest Sonos dealers. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
Rega Lifetime Warranty
Rega products carry a lifetime warranty against manufacture defects.
Every product Rega make is designed and assembled in the UK to the highest possible standard.
This warranty covers genuine confirmed manufacture defects.
This warranty does not cover wear and tear.
Any unauthorised modifications or failure to follow the Rega recommended guidelines may invalidate the warranty.
Please see your user manual for detailed warranty information for your particular product. Your statutory rights are not affected.
ABOUT SMART HOME SOUNDS
At Smart Home Sounds, we are leading Home Audio Visual Specialists. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
SHS Loyalty Points
Start collecting your points today to spend on future purchases from SHS.
We love rewarding our loyal customers - that's why you'll earn SHS Loyalty Points for every pound you spend on gaming purchase from us which can be spent on future purchases!
Full Ts & Cs apply - read more here.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
Extended Christmas Returns
Shop with confidence this festive period. If they don't love it, return it!
Our Extended Christmas Returns
We've extended our normal returns for the festive season. Any gifts bought between 27th October 2023 and 22nd January 2024 can be returned up until 31st January 2024.
How does the returns policy work?
ABOUT SMART HOME SOUNDS
At Smart Home Sounds, we are leading Home Audio Visual Specialists and one of the UK's largest Sonos dealers. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
FREE Extended 5 Year TV Warranty
True peace of mind with your new TV purchase
Extended 5 year warranty gives you peace of mind that you're covered for longer.
Simply submit your extra warranty request from the moment of purchase up to 90 days after purchase.
You will need your TV serial number to make your claim.
Make your extended warranty claim here.
Ts & Cs apply. Valid on TVs purchased after 1st April 2023.
Relax, we've got you covered.
We will upload your LG extended 5 year warranty for you. You will receive email/written confirmation within 90 days of purchase.
Redeem your additional 5 year warranty within 90 days of purchase.
You will need your TV serial number to make your claim.
Register for your extended warranty here.
Ts & Cs apply.
Simply submit your extra warranty request from the moment of purchase.
You will need your TV serial number to make your claim.
Make your extended warranty claim here.
Ts & Cs apply.
At Smart Home Sounds, we are leading Home Audio Visual Specialists and one of the UK’s largest Sonos dealers. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
FREE Extended 3 Year Ruark Warranty
True peace of mind with your new purchase
Extended 3 year* warranty gives you peace of mind that you're covered for longer.
*via registration
All Ruark products carry a two year manufacturers parts and labour guarantee unless otherwise stated.
If you register your product online within 28 days of purchase you will claim a free third year guarantee. All guarantee claims must be accompanied with a proof of purchase. Guarantees must be registered within 28 days of purchase and are not transferable.
Please note that our guarantee is for goods bought and used in the UK, The Isle of Man and the Channel Islands. The two year manufacturers parts and labour guarantee and free third year guarantee does not apply to ‘spares and accessories.’ These items are covered by a one year guarantee unless otherwise stated.
At Smart Home Sounds, we are leading Home Audio Visual Specialists and one of the UK’s largest Sonos dealers. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
