Sennheiser HDB 630 Wireless Headphones

HDB 630 Wireless audiophile sound in perfection

Experience music as it was meant to sound: crystal clear, detailed, and completely unadulterated. The Sennheiser HDB 630 combines state-of-the-art audio technology, wireless freedom, and outstanding comfort – for true listening pleasure, anywhere and anytime.

Audiophile sound quality:

Featuring Sennheiser's proprietary 42mm drivers and a precisely tuned acoustic design, the HDB 630 delivers a neutral, vibrant sound with clear midrange, impressive detail, and a wide, natural soundstage. Subtle digital signal processing guarantees the unadulterated reproduction of your favorite music.

Wireless or wired:

Thanks to Bluetooth® with aptX HD and aptX Adaptive, you can enjoy high-resolution sound wirelessly. Via USB-C or in combination with the Bluetooth® transmitter BTD 700, you can experience music in lossless quality – up to 24-bit/96 kHz.

Individual sound customization:

The integrated parametric EQ allows for precise adjustment of frequency bands and filters. Adjust bass, treble, or vocals exactly to your liking – just like a professional sound engineer.

Active noise cancellation & transparency mode:

Enjoy your music undisturbed: Adaptive ANC eliminates ambient noise without compromising sound quality. Transparency mode lets you stay aware of your surroundings at all times.

Long battery life:

With up to 60 hours of playtime, the HDB 630 effortlessly accompanies you through long journeys or busy weeks. A quick 10-minute charge gives you up to 7 hours of playback – perfect for on the go.

Harmonious acoustic design:

Every part of the signal path – from the converter to the acoustic mesh and the optimized rear volume – is tuned for perfect sound. The result: smooth midrange, detailed highs, and an open, natural soundstage.

Comfort for hours of listening:

Lightweight construction, low contact pressure and generous ear cups made of high-quality Japanese synthetic leather ensure maximum wearing comfort – even during long listening sessions.

Technical specifications HDB 630

Generally

• Wearing method: Headband, stereo headphones
• Ear connection: Around-the-ear, circum-aural
• Weight: approx. 311 g (11 oz)
• Dimensions (folded): 180 x 195 x 51 mm (7 x 7.67 x 2 in)

Connectivity

• Bluetooth: 5.2 compliant, Class 1, 10 mW (max)
• Transmission frequency/modulation: 2.402 – 2.480 MHz; GFSK, p/4 DQPSK / 8 DPSK
• Supported profiles: A2DP, AVRCP, HFP
• Supported codecs: SBC, AAC, aptX™, aptX™ HD, aptX adaptive™

Speakers

• Principle: Dynamic
• Diameter: 42 mm
• Frequency range:
• USB: 6 Hz – 40 kHz
• Analogue & Bluetooth: 6Hz – 22kHz
• Sensitivity: 105 dB SPL (1 kHz / 0 dB FS)
• THD: <0.2% (1kHz / 100dB SPL)
• Impedance: Active 480 Ω

microphone

• Principle: MEMS
• Frequency range: 50 Hz – 10 kHz
• Recording pattern: 2 microphones per side, beamforming for noise reduction
• Noise Cancellation
• Type: Hybrid Adaptive ANC
• Transparency mode: Yes

battery

• Type: Built-in lithium-ion (700 mAh)
• Battery life: Up to 60 hours of music via Bluetooth & ANC

Charging time:

• Complete: approx. 2 hours
• Fast charging: 10 minutes for up to 7 hours of playback
• Operating voltage: 5 V, 750 mA max, USB-C

Temperature range:

• Operating temperature: 0°C – 40°C
• Charging: 10°C – 40°C
• Storage: -20°C – 60°C

Relative humidity:

• Operation: 10 – 80%
• Storage: 10 – 90%

Battery details

• Cells: 1 lithium-ion cell
• Capacity: 700 mAh
• Voltage: 3.7 V
• Energy: 2.7 Wh
• Dimensions: 36 x 48.5 x 4.7 mm
• Weight: 14.5 g
• Lithium content: 0.219 g