The Sound Devices Astral A20-TX Digital Wireless Bodypack Transmitter/Recorder is a premium, flagship-tier transmitter built for high-end location sound, musical theater, and broadcast journalism. Spanning an unprecedented global tuning range of 169 to 1525 MHz, it accommodates any professional microphone or line-level source by combining an innovative, software-controlled input bay with Sound Devices’ most advanced digital RF infrastructure.