Sennheiser has expanded its consumer audiophile lineup with the launch of a new Lunar Silver finish for the HDB 630 closed-back wireless headphones. The new release introduces an alternate aesthetic to the existing black colorway while maintaining the internal hardware and acoustic design of the original model.
Acoustic Engineering and Wireless Performance
At the core of the HDB 630 are proprietary 42mm dynamic transducers manufactured at Sennheiser’s production facility in Tullamore, Ireland. The acoustic system is engineered to provide a balanced frequency response with detailed sound reproduction, adhering to the brand’s reference tuning standards.
Wireless connectivity is handled via Bluetooth 5.2, featuring support for the Qualcomm aptX Adaptive codec. To address bandwidth limitations typical of standard mobile wireless protocols, Sennheiser bundles the headphones with the BTD 700 USB-C Bluetooth transmitter. When connected to compatible host devices, the transmitter enables high-resolution audio streaming at up to 24-bit/96kHz.
Battery Performance and Software Integration
The HDB 630 is equipped with power-management hardware rated for extended use:
- Playback Time: Up to 60 hours of operation on a full charge.
- Fast Charging: A 10-minute charge over USB-C provides up to seven hours of listening time.
- Audio Customization: Companion support is provided through the Sennheiser Smart Control Plus mobile application, which includes a five-band parametric equalizer and exportable preset profiles.
Specifications
| Feature | Specification |
| Transducer Type | 42mm Dynamic (Made in Ireland) |
| Design | Closed-back, Over-ear |
| Connectivity | Bluetooth 5.2, USB-C |
| Supported Codecs | aptX Adaptive, AAC, SBC |
| Maximum Wireless Resolution | Up to 24-bit/96kHz (via bundled BTD 700 adapter) |
| Battery Life | Up to 60 hours |
| Fast Charging | 10 minutes for 7 hours of playback |
| Software Support | Sennheiser Smart Control Plus (5-band EQ) |
| Color Options | Lunar Silver, Black |
Pricing and Availability
The Sennheiser HDB 630 in Lunar Silver is priced at ₹44,990 in India. It is available from Sennheiser’s official online storefront, major e-commerce platforms, and authorized retail outlets nationwide, with select bank payment promotions available at launch.