The all new Sennheiser HDB 630 headphones deliver audiophile-grade sound with 42mm Transducer driver made in Ireland. This driver offers balanced bass, clear mids, and controlled treble for a natural listening experience. Sennheiser has provided versatile connectivity with Bluetooth 5.2 supporting aptX Adaptive & aptX HD, a USB-C wired connection up to 24-bit/96 kHz, and include a BTD 700 USB-C dongle for wireless hi-res audio on most devices. The Smart Control Plus app features a five-band parametric EQ and unique crossfeed for advanced sound customization. With up to 60 hours of battery life and fast charging support, this headphone is also capable of adaptive noise cancellation and transparency mode. The design prioritizes comfort with premium leatherette ear pads and a lightweight build that draws inspiration from the Momentum 4 chassis.