Sennheiser HDB 630 – Premium Hi-Res Wireless Over-Ear Headphones

ETA mid-December 

Experience supreme listening fidelity anywhere with the Sennheiser HDB 630: designed for those who refuse to compromise between audiophile sound and everyday usability. Built with a 42 mm in-house dynamic transducer, advanced tuning and premium materials, the HDB 630 delivers stunning clarity, deep detail, expansive imaging and long-haul comfort. 

Whether you’re wired via USB-C, analog 3.5 mm, or going wireless with Bluetooth (including a bundled USB-C dongle for high-res aptX Adaptive support), this headphone adapts to your setup. On top of flexible connectivity, it features Adaptive Noise Cancellation, a transparency mode for situational awareness, and a rich companion app with parametric EQ and crossfeed features for truly personalised sound.

With up to 60 hours battery life (with ANC and wireless) and fast-charging that gives ~7 hours playback from just a 10-minute charge, the HDB 630 is built for extended listening sessions — commuting, travel or home-listening alike.

Key Features

• Premium 42 mm dynamic drivers, developed and manufactured at Sennheiser’s Tullamore facility in Ireland.

• Hi-Res wired playback via USB-C (up to 24-bit/96 kHz) and analog input.

• Bluetooth 5.2 wireless connectivity with support for SBC, AAC, aptX, aptX HD & aptX Adaptive (via included dongle) — enabling high-res wireless streaming on many devices.

• Included USB-C transmitter dongle (BTD 700) enabling aptX Adaptive high-res playback even on devices lacking native codec support.

• Adaptive Hybrid Active Noise Cancellation plus Transparency mode for seamless transition between immersive audio and ambient awareness.

• Companion app (Smart Control Plus) with 5-band graphic EQ, full parametric EQ (bandwidth/Q controls, filter types, A/B toggling) and Crossfeed mode for speaker-like imaging.

• Up to 60 hours of battery life with ANC + wireless, and ultra-fast 10 minute quick-charge for 7 hours listening.

• Premium comfort build: lightweight (~311 g), Japanese protein leatherette ear-cushions, refined ergonomics.

• Includes: HDB 630 headphones, USB-C charging/audio cable, 3.5 mm analog cable, airline adapter, USB-C Bluetooth dongle, protective carrying case.

Why Choose the HDB 630?

If you’re looking for a wireless headphone that doesn’t compromise on sound quality, the HDB 630 stands out as a premium choice. Many wireless ANC headphones focus on convenience; this model brings audiophile-level fidelity into that space. Thanks to its high-res wired capability, bundled dongle for wireless hi-res, and deep sound-tuning features, it appeals to both casual listeners and serious enthusiasts. The long battery life and comfortable build make it reliable for extended listening sessions. In short: you get studio-class tuning and modern features in one package.

Ideal Use-Cases

• Dedicated listeners seeking high-resolution sound on the move or at home.

• Users who want both wired and wireless flexibility — laptop/desktop USB-C, analog cable, smartphone Bluetooth.

• Travel and commuting thanks to ANC, long battery life, and included accessories (case, dongle, cables).

• Audiophiles who like to shape their sound via parametric EQ, crossfeed and custom tuning.

Technical Specifications 

• Driver: 42 mm dynamic

• Frequency Response: USB/Line-in up to ~40 kHz; Analog / Bluetooth up to ~22 kHz.

• Sensitivity: ~105 dB SPL (1 kHz / 0 dB FS)

• Impedance (active): ~480 Ω

• Bluetooth version: 5.2 (Class 1)

• Supported Bluetooth codecs: SBC, AAC, aptX, aptX HD, aptX Adaptive

• Battery life: Up to 60 hours (with ANC + wireless)

• Quick-charge: 10 min = ~7 hours playback

• Weight: Approx. 311 g

Included in the Box

• Sennheiser HDB 630 headphones

• USB-C charging/audio cable

• 3.5 mm analog audio cable

• USB-C Bluetooth dongle (BTD 700)

• Airline adapter

• Protective carrying case

• Quick start guide / documentation