General Information
HD 350BT
At home or on the go – with the HD 350BT, you can enjoy the freedom of wireless sound. And for up to 30 hours. Thanks to Bluetooth 5.0 and AAC and the aptX™ Low Latency codecs, the HD 350BT has all the latest technical features. The integration of voice assistants enables all key functions to be used intuitively. A timeless, robust design gives the HD 350BT an attractive appearance.
Technical Data
| Weight | Approx. 238 g / 8.4 Oz. |
| Ear coupling | Around Ear |
| Transducer principle | Dynamic, closed |
| Frequency response | 18 Hz to 22,000 Hz (-10 dB) |
| Sound pressure level (SPL) | 108 dB (1 kHz/0 dBFS) |
| THD, total harmonic distortion | < 0.3 % (1 kHz, 100 dB) |
| Transducer principle (Microphone) | MEMS |
| Frequency response (Microphone) | 80 Hz to 6,000 Hz (-3 dB) |
| Pick-up pattern | Dual Beamforming |
| Bluetooth Version | 5.0 |
| Supported Profiles | HSP, HFP, AVRCP, A2DP |
| Audio codec | SBC, AAC, AptX™, AptX™ Low Latency |
| Transmission frequency | 2,402 MHz to 2,480 MHz |
| Built-in Lithium-Polymer rechargeable battery | 3.7 V ⎓, 300 mAh |
| Charging time | Approx. 2 hours |
| Operating time | 30 hours music playback via Bluetooth |
| Charging Current | 320 mA max. |
| Charging voltage | 5 V, DC |
| App support EQ and updates via Sennheiser Smart Control |
