Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with ANC and BTD 700 Bluetooth Adapter
Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with ANC and BTD 700 Bluetooth Adapter

Key Features
  • Large 42mm Dynamic Drivers
  • Bluetooth Wireless aptX Adaptive and HD
  • BTD 700 Bluetooth Adapter
  • Up to 24-Bit / 96 kHz Lossless via USB-C
  • Adaptive ANC and Transparency Mode
  • Parametric EQ Control
  • Up to 60 Hours Listening Time
  • Refined Acoustic Architecture
  • Lightweight with Low Clamping Force
Experience audiophile sound and comfort with the Sennheiser HDB 630 Closed-Back Wireless Around-Ear Headphones with Adaptive Noise Cancellation and BTD 700 Bluetooth Adapter. With components designed to work together in perfect harmony, you will enjoy hi-res sound with powerful noise cancellation and 60-hour battery life while listening to wireless Bluetooth or lossless USB-C wired audio.
 Audiophile Tuning
Sennheiser’s in-house 42mm transducer and refined acoustic design deliver a neutral audiophile sound with lifelike mids, stunning detail, and a wide, natural soundstage. Minimal digital processing ensures pure fidelity true to the original recording.
Wireless or Wired
Enjoy high-resolution wireless sound with support for aptX HD and aptX Adaptive, especially when paired with the included BTD 700 Bluetooth adapter. For maximum purity, connect via USB-C for lossless listening up to 24-bit / 96 kHz.
Parametric EQ
Expert-level equalization lets you define frequency bands, widths, and filters to precisely shape your sound. Tailor bass, enhance vocals, or fine-tune for any genre, just like a mastering engineer.
Adaptive ANC and Transparency Mode
Powerful noise cancellation blocks distractions without degrading clarity, dynamics, or balance. Transparency Mode instantly lets in surrounding sounds when you need to stay aware.
Listen for Days
A class-leading 60-hour battery keeps you going through long trips or work weeks. Just 10 minutes of fast charging adds up to 7 hours of playtime, ideal for when you’re on the move.
Refined Acoustic Architecture
Every part of the acoustic chain, from the transducer to the transparent acoustic mesh, to the optimized back volume, works in harmony to produce smooth upper mids, detailed treble, and an open, natural soundstage.
Proven Comfort
Lightweight build, low clamping force, generous earcups, and premium Japanese leatherette headband ensure hours of fatigue-free listening.