Sennheiser Spectera SEK (UHF) Wireless Beltpack

Sennheiser Spectera SEK (UHF) Wireless Beltpack The Sennheiser Spectera SEK (UHF) is a bidirectional bodypack designed for use within the Spectera ecosystem, combining microphone/line input and IEM/IFB monitoring in a single compact device. Using Spectera’s wideband RF technology, the SEK allows simultaneous transmit and receive over the same carrier, reducing the need for separate packs and simplifying on-stage workflows. Each unit supports full remote control and monitoring of audio levels, RF performance, and battery status via the system’s control software. Built for professional environments, it features a high-power headphone amplifier, AES-256 encrypted transmission, and continuous interference management to ensure stable, high-quality audio. With a rugged metal housing and up to 7 hours of operation on a rechargeable battery, it’s designed for demanding live, broadcast, and touring applications. If you’d like to speak to someone at ATC about AV rental or event production, give us a call on 01827 301010 or 0207 940 5353. Spec Sheet: SPECTERA Wireless Beltpack Spec Sheet