Sennheiser HDB 630 – Audiophile sound. Wireless freedom.

The HDB 630 delivers neutral, high-resolution sound in a closed-back wireless design. Featuring in-house 42 mm drivers, adaptive noise cancelling and the included BTD 700 Bluetooth® USB-C dongle, it brings true audiophile quality anywhere – no cables, no compromise.

Audiophile sound with full control

Supporting aptX™ HD and aptX™ Adaptive, the HDB 630 streams in Hi-Res wirelessly. Via USB-C or analog, you can enjoy lossless playback up to 24 bit / 96 kHz. A parametric equalizer and crossfeed feature in the Smart Control Plus app let you fine-tune every detail of your sound.

Perfectly tuned acoustics

Every component – from the 42 mm driver and deep acoustic chamber to the carefully damped magnet system – is precisely matched. The result is a balanced, natural soundstage with realistic mids, controlled treble and tight bass – rare for a closed Bluetooth headphone.

Adaptive ANC & Transparency mode

The adaptive noise cancellation blocks ambient noise without sacrificing clarity or dynamics. Activate the Transparency mode to instantly let the outside world in when needed.

Comfort & endurance

Soft ear pads, a headband wrapped in Japanese vegan leather and low clamping force ensure hours of fatigue-free listening. Enjoy up to 60 hours of battery life on a single charge.

Included accessories

• HDB 630 closed-back wireless headphones
• BTD 700 Bluetooth® USB-C dongle
• 1.2 m USB-C to USB-C cable (Audio & charging)
• 1.2 m audio cable (3.5 mm jack)
• Airplane adapter
• Carrying case