The Sennheiser HDB 630 headphones feature an over-ear fit for comfortable, long-lasting wear and weigh 311 g. They include a detachable cable (1.2 m in length) for flexibility and a tangle-free cable for convenience. The headphones also support folding for easy storage and come with a travel bag. Notably, they do not have water resistance or an open-back design, and they are not intended for children.
The Sennheiser HDB 630 headphones offer a frequency range from 6 Hz to 22,000 Hz, providing a broad sound profile. They are equipped with a 42 mm driver unit and have an impedance of 480 Ohms, ensuring clear and precise audio reproduction. Although they lack active noise cancellation (ANC) and support for spatial audio, they do feature passive noise reduction for improved listening in noisy environments.
The Sennheiser HDB 630 is equipped with a rechargeable battery that offers up to 60 hours of playback. It also includes a battery level indicator to keep track of remaining power. The headphones feature a USB Type-C port for charging, but do not support wireless charging or solar power capabilities.
The Sennheiser HDB 630 headphones offer both wireless and wired connectivity, featuring Bluetooth 5.2 for a stable connection. They support a range of advanced Bluetooth codecs, including aptX Adaptive, aptX, aptX HD, and AAC. However, they do not support LDAC, LDHC, or Bluetooth LE Audio, and they have a maximum Bluetooth range of 10 meters.
The Sennheiser HDB 630 headphones can be used as a headset for calls and communication, though they lack features like ambient sound mode, in/on-ear detection for auto-pause, and a mute function. Additionally, they do not include an in-line control panel for music or volume adjustments.
