Description
The Sennheiser HDB 630 is a closed-back wireless around-ear headphone with 42 mm drivers, up to 60 hours of battery life and support for playback up to 24 bit and 96 kHz over Bluetooth. It weighs 311 g.
High resolution over Bluetooth
The HDB 630 supports up to 24 bit and 96 kHz playback over its wireless connection, which is the specification that separates it from the rest of Sennheiser's wireless line. For a listener with a high resolution library or a subscription that serves one, this is the model in the range that can actually carry it without a cable.
Drivers are 42 mm, matching the MOMENTUM 4.
Battery and isolation
Battery life reaches 60 hours per charge. The closed-back around-ear design seals well, and in comparative testing that seal is what makes its noise cancelling effective, because isolation and active cancellation work together rather than independently.
Weight is 311 g, about 18 g more than the MOMENTUM 4.
Who should buy which
Against the MOMENTUM 4, the HDB 630 is the choice when audio quality over the wireless link is the priority. The MOMENTUM 4 is 18 g lighter with the same 60 hour battery. Below both, the ACCENTUM and ACCENTUM Plus quote 50 hours and cost less.
For wired listening, Sennheiser's HD 620S is the closed model and the HD 600 family remains the open reference.
Specifications
- Type: Closed back, around ear, wireless, with noise cancelling
- Drivers: 42 mm
- Battery life: Up to 60 hours
- Wireless audio: Up to 24 bit and 96 kHz playback
- Weight: 311 g
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