Sennheiser HDB 630 Wireless Headphones

Product Summary

The Sennheiser HDB 630 is aimed at customers who want proper audiophile sound without being tied to a cable all the time. It is a premium closed-back headphone that brings together wireless convenience, strong isolation and a far more serious sound than most travel-focused Bluetooth models can usually deliver.

What makes it stand out is that it does not treat wireless listening like a compromise. Sennheiser has built it around a 42 mm in-house transducer and support for high-quality Bluetooth codecs, while also giving you the option of USB-C listening for high-resolution lossless playback. That makes it a very appealing choice for customers who want one headphone that can cover portable use, desk listening and more focused home listening without needing to switch models.

It is also designed to be shaped around personal taste a bit more than most headphones in this category. Features such as active noise cancellation, parametric EQ and crossfeed add useful flexibility, while the included BTD 700 dongle helps get the most from compatible sources. For customers wanting a premium wireless headphone with stronger sound quality, better flexibility and a more audiophile-focused character, the Sennheiser HDB 630 is an excellent choice.

Key Benefits

• Closed-back wireless design gives you more private listening without losing a refined sound
• 42 mm in-house transducer is designed to deliver neutral tone, detailed mids and a wide soundstage
• aptX HD and aptX Adaptive support help deliver better-quality Bluetooth playback
• USB-C connection allows high-resolution lossless listening up to 24-bit/96 kHz
• Active noise cancellation helps make listening more focused in noisier environments
• Parametric EQ and crossfeed give useful control over how the headphones sound
• Included BTD 700 dongle helps get the best wireless performance from compatible devices
• 2 years manufacturers warranty

Technical Specifications

Headphone Details

• Product Type: Wireless closed-back over-ear headphones
• Acoustic Principle: Closed
• Driver: 42 mm in-house transducer
• Connectivity: Bluetooth, USB-C, analogue input
• Bluetooth Codecs: aptX HD, aptX Adaptive
• Noise Cancelling: Active noise cancellation
• Audio Features: Parametric EQ, crossfeed
• High-Resolution Playback: Up to 24-bit / 96 kHz via USB-C
• Included Dongle: BTD 700 Bluetooth USB-C dongle
• Use Case: Wireless portable and home listening

Weight & Dimensions

• Weight: Not reliably confirmed in the official source I checked

What’s in the Box

• Sennheiser HDB 630 headphones
• BTD 700 Bluetooth USB-C dongle
• Charging / audio cable
• Product documentation