The HD 350BT are the ideal choice for people that love great audio. Enjoy an engaging sound experience with deep dynamic bass. Quality is guaranteed by the latest wireless technology including Bluetooth 5.0 and AAC, AptX™ codec support, with AptX™ Low Latency for perfect audio synchronization with videos. The Sennheiser Smart Control App makes it easy to customize the sound via the equalizer or engage podcast mode for improved intelligibility of speech content.
The HD 350BT also feature an impressive 30-hour battery life that can be rapidly recharged via USB-C. It features a Voice Assistant button for instant Siri and Google Assistant interaction, intuitive physical controls for every day ease of use and a robust folding design for take-anywhere durability.
The HD 350BT also feature an impressive 30-hour battery life that can be rapidly recharged via USB-C. It features a Voice Assistant button for instant Siri and Google Assistant interaction, intuitive physical controls for every day ease of use and a robust folding design for take-anywhere durability.
| Frequency response (Microphone) | 80 Hz to 6,000 Hz (-3 dB) |
| THD, total harmonic distortion | < 0.3 % (1 kHz, 100 dB) |
| Transducer principle | Dynamic, closed |
| Pick-up pattern | Dual Beamforming |
| Transducer principle (Microphone) | MEMS |
| Bluetooth Version | 5.0 |
| Frequency response | 18 Hz to 22,000 Hz (-10 dB) |
| Modulation scheme | GFSK, π/4 DQPSK, 8DPSK |
| Battery Specification | Built-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 300mAh |
| Charging Current | 320 mA max. |
| App support | EQ and updates via Sennheiser Smart Control |
| Audio codec | SBC, AAC, AptX™, AptX™ Low Latency |
| Supported Profiles | HSP, HFP, AVRCP, A2DP |
| Charging time | Approx. 2 hours |
| Charging voltage | 5 V, DC |
| Ear coupling | Around Ear |
| Operating time | 30 hours music playback via Bluetooth |
| Sound pressure level (SPL) | 108 dB (1 kHz/0 dBFS) |
| Transmission frequency | 2,402 MHz to 2,480 MHz |
| Weight | Approx. 238 g |