- The Sennheiser HDB 630 will release on October 21, 2025
- The headphones are priced at $499 / £399 / AU$999
- Sennheiser’s BTD 700 transmitter will be included, opening up access to ‘hi-res’ sound for Android and iPhone users
Sennheiser has revealed its latest pair of wireless headphones, which are intended to deliver “true audiophile sound”, and are its first headphones as part of its HD reference-quality audio ragnge. The Sennheiser HDB 630 are set to arrive on October 21, 2025, and are said to supply “hi-res” audio, “extra-long battery life”, and active noise cancellation.
These wireless headphones will set you back $499 / £399 / AU$999, meaning they have to battle it out against some of the best headphones around – think the Sony WH-1000XM6 or Bowers & Wilkins Px7 S3.
So, what do the HDB 630 offer to make them stand out? Here’s everything you need to know about them.
Hi-res audio anytime, anywhere
The main thing Sennheiser wants to stress about its new cans is their ability to offer higher-res audio without the need for wires.
That’s because the HDB 630 are bundled with Sennheiser’s BTD 700 USB-C dongle, which can bypass the wireless transmitter your phone uses to enable aptX, aptX HD, and aptX Adaptive audio.
In essence, that means you’ll be able to listen to your favorite tunes in higher-than CD quality – 24-bit / 96kHz. That’s more detail than you’ll be able to access even with Spotify’s new Lossless update, but if you’re subscribed to Tidal or Qobuz, for instance, you’ll be able to get a more revealing Bluetooth listening experience.
Of course, aptX still can’t handle the absolute best quality out there without some loss of fine detail, but the inclusion of the dongle means that both Android and iPhone users alike will get access to aptX audio – something iPhone users in particular have never enjoyed.
In addition, you can connect the headphones to your listening device via USB-C or an analogue input for wired listening.
I’ve been using the headphones for about a week or so now, and I’ll share my thoughts about the sound profile, attention to detail, and general sonic capabilities of the HDB 630 soon – but I’ve been impressed by them so far, and they’ve certainly got some unique features that I haven’t seen from top-tier rivals.
Plenty to sink your teeth into
These headphones aren’t all about hi-res audio, there’s a good deal more to explore.
Something that instantly piqued my interest is the inclusion of parametric EQ. This enables a user to have full control over the specific frequency they want to change, with options for gain and Q-factor. This means that if you have a very precise sound in mind, you should be able to tailor the headphones to your specific taste.
Another neat inclusion is crossfeed – something I’ve not personally used on a rival pair of the best over-ear headphones.
This blends the left and right audio channels, which can be useful if a recording has extreme channel separation – say if most of the bass only plays from the right side. By using crossfeed, tracks such as this can be optimized for headphone listening, with a more balanced presentation.
On top of these inclusions, the HDB 630 will offer adaptive noise cancellation, touch controls, and up to 60 hours of battery life with ANC on – the same as the five star-rated Sennheiser Momentum 4 Wireless.
The new cans are available to order today (October 8th) and will be fully released on October 21st.
Again, we’ll bring you our full thoughts on the Sennheiser HDB 630 as soon as possible. But in the meantime, do you have any thoughts on these new headphones? Let me know in the comments!
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harry.padoan@futurenet.com (Harry Padoan)
