Great wireless sound gets a stunning new look: Sennheiser’s new HD 458BT remixes its exceptional HD 450BT wireless headset with a bold new red and black style. Whether at home or on the move, their captivating sound quality, advanced Bluetooth technology, and excellent 30-hour battery life make them perfect for audio lovers seeking a better wireless listening experience. With active noise cancellation and a closed back design, the HD 458BT delivers superior, distraction-free sound with deep dynamic bass – even in loud environments. Exceptional quality is assured by high-quality wireless codec support, including AAC and AptX™, with AptX™ Low Latency to keep audio perfectly in sync with on-screen action when watching videos. Sennheiser’s Smart Control App makes it possible to tailor the sound via an intuitive equalizer or using the special podcast mode to boost speech intelligibility. A great companion for travel, the HD 458BT has a superb 30-hour battery life with fast USB-C charging, a Voice Assistant button for Siri and Google Assistant interaction, and a robust folding design for take-anywhere durability. Weight Approx. 238 g App support EQ and updates via Sennheiser Smart Control App Audio codec SBC, AAC, AptX™, AptX™ Low Latency Battery Specification Built-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 600mAh Supported Profiles HSP, HFP, AVRCP, A2DP Bluetooth Version 5.0 Charging Current 500 mA max. Charging time Approx. 2 hours Charging voltage 5 V, DC Ear coupling Around Ear Frequency response 18 Hz to 22,000 Hz (-10 dB) Frequency response (Microphone) 80 Hz to 6,000 Hz (-3 dB) Transducer principle (Microphone) MEMS Modulation scheme GFSK, π/4 DQPSK, 8DPSK Operating time 30 hours music playback via Bluetooth with ANC activated Pick-up pattern Dual Beamforming Sound pressure level (SPL) 108 dB (1 kHz/0 dBFS) THD, total harmonic distortion < 0.3 % (1 kHz, 100 dB) Transducer principle Dynamic, closed Transmission frequency 2,402 MHz to 2,480 MHz
