The RTS RadioCom TR-825 is a 2-audio channel UHF frequency-agile wireless beltpacks for use with the BTR-800. The TR-825 is a dual-listen beltpack, allowing you to listen to tech in one ear and production in the other. Individual volume controls also allow for easy level adjustment. The TR-825 has an all metal cast magnesium case, an LCD-based user interface, stage announce activation, WTA (Wireless Talk Around), enhanced ClearScan, detachable antennas and an auto-sensing headset connector that automatically switches between electret and dynamic headset mics.