The Sennheiser HDB 630 is a premium high-resolution wireless lifestyle headphone design aimed at reaching audiophile listening standards.
Originally launched in late 2025, the HDB 630 uses a similar chassis and frame to the MOMENTUM, and could easily be mistaken for it at first glance, but it offers an entirely different listening experience with a premium feature set that you’d expect in this $500 price range.
Sennheiser HDB 630
Now available from Thomann in its sleek new “Lunar Silver” colorway alongside the original black, the HDB 630 uses a closed-back design with 42 mm dynamic transducers that are manufactured in Tullamore, Ireland. The earcup design is more advanced than average consumer headphones, as they are treated with acoustic mesh, which reduces internal backwave reflectivity.
HDB 630 (Lunar Silver) · Source: Sennheiser 
Front view · Source: Sennheiser 
Side view · Source: Sennheiser 
Case · Source: Sennheiser 
Smart Control Plus · Source: Sennheiser 
Frequency response · Source: Sennheiser 
HDB 630 · Source: Sennheiser 
HDB 630 (Black) · Source: Sennheiser 
Accessories · Source: Sennheiser
With the accompanying Smart Control Plus app, you can access a 5-band parametric EQ system with variable Q-factor and a special crossfeed mode that mimics the stereo image and spatial profile of speakers. Once you’ve made any adjustments to the sound profile, you can then store this info onto the headphones directly, so the settings work across all paired devices.
While it may look like a hi-fi headphone, the listening experience of the HDB 630 is closer to that of a studio reference headphone like the HD560 or the HD600. Also, the HDB 630 supports high-resolution 24-bit 96kHz wireless playback via the included BTD 700 USB-C dongle, and the Bluetooth 5.2/5.4 allows AAC, aptX, aptX HD, and aptX Adaptive formats.
When fully charged, the HDB 630 can give you up to 60 hours of playback, and you can connect to devices via Bluetooth without the dongle or even go old-school with a 3.5 mm wired connection. Overall, the HDB 630 provides impressive sound and tech features; the only shortcoming is the build, which is still a little “consumer” for such an expensive set of headphones.
Pricing and Availability:
The Sennheiser HDB 630 is currently available in the new Lunar Silver and the original black.
More about the Sennheiser HDB 630:
- Official Product Page
- Browse Sennheiser Hearing on Thomann*
- Browse Sennheiser on Sweetwater*
- Read more about Sennheiser on Gearnews
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