Key Features
- High-resolution wireless audio
- Neutral audiophile tuning for clear, fatigue-free listening
- Adaptive noise cancellation that keeps music natural
- Advanced sound shaping with parametric EQ and crossfeed
- Up to 60 hours battery for long listening sessions
Sennheiser HDB 630 Closed-back Wireless Headphones Overview
The Sennheiser HDB 630 is for listeners who want serious sound quality without being tied to cables. It delivers a balanced, neutral tuning that lets you hear music as it was intended, making long listening sessions feel natural and engaging. Voices stay clear, bass remains controlled, and treble stays open and smooth, which helps you focus on detail without fatigue.
Wireless listening does not mean compromise here. High-resolution Bluetooth support, paired with the included USB-C dongle, helps you enjoy cleaner sound on the move, while USB-C or analogue connections allow for lossless listening at home. Active noise cancellation reduces everyday distractions without changing the character of your music, and with up to 60 hours of battery life, you can keep listening for days before needing to recharge.
Product Ref: 364281
Full Description
"Sennheiser’s most ambitious wireless headphones don’t only nail sound quality in their own right but also bless iPhones and other audio sources with a significant sound upgrade via a neat bundled accessory. "
AV Forums - Best Buy Award
"The HDB 630 delivers a software platform that delivers functionality (and no less importantly, a means of using that functionality) that is significantly in advance of rivals."
Neutral Tuning for Critical Listening
The HDB 630 is designed for listeners who value balance and accuracy over exaggerated bass or added brightness. Its neutral tuning keeps low frequencies tight and controlled, which helps midrange detail come through with clarity. Vocals sound natural and well placed, while instruments sit in a realistic space around you. Treble remains smooth and open, reducing listening fatigue during longer sessions. This careful balance makes the HDB 630 well suited to focused listening, whether you are discovering new albums or revisiting familiar recordings.
Consistent Wireless with BTD 700
Wireless sound quality often depends on the source device, but the included BTD 700 USB-C dongle helps keep performance consistent. It delivers a stable, high resolution Bluetooth connection directly from compatible laptops, tablets, or phones. This reduces dropouts and keeps sound quality predictable wherever you listen. The result feels closer to a wired setup, with clearer detail and fewer distractions. It allows you to enjoy reliable wireless listening at your desk, on the sofa, or when moving between different rooms.
Personal Sound Control Made Simple
Listening preferences vary, and the HDB 630 offers flexible tools without losing its natural character. Using the Smart Control Plus app, the parametric equaliser lets you adjust specific frequency ranges rather than relying on broad presets. This gives you more precise control over how your music sounds. The crossfeed feature can also create a more speaker-like presentation, which some listeners find easier for long sessions. Together, these options help you tailor the sound to your ears, music, and listening habits.
Specifications
| Article Number (SKU) | 700445 |
|---|---|
| Weight | 311 g (without cable) |
| Audio Cable | 1.20 m detachable cable with 3.5 mm plug (right side) |
| USB Cable | 1.20 m USB-C to USB-C |
| Ear Coupling | Over-ear |
| Ear Pad Material | Leatherette (synthetic) |
| Resolution | Up to 24-bit / 96 kHz (USB-C, analog input, or BTD 700 Bluetooth® USB-C dongle) |
| Connectivity | Bluetooth 5.2 |
| Codec Support | aptX™ Adaptive, aptX™ HD, aptX™, AAC, SBC |
| Frequency Response | USB: 6 Hz – 40 kHz (Line-In, USB 96 kHz, or Bluetooth aptX Adaptive 96 kHz)6 Hz – 22 kHz (otherwise) |
| Nominal Impedance | Active 480 Ω |
| Sound Pressure Level (SPL) | 105 dB (1 kHz / 0 dBFS) |
| Total Harmonic Distortion (THD) | <0.2 (1 kHz / 100 dB SPL) |
| Acoustic Design | Closed-back |
| Transducer | Electrodynamic (moving coil) |
| Product Code | 700445 |
| EAN | 4260752333450 |
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