The azden 330lt uhf dual wireless lavalier system is a powerful dual channel uhf wireless microphone system for camera mount applications the system consists of 2 azden 35bt body pack transmitters 2 ex 503l lavalier microphones and the 330upr portable dual channel receiver the inclusion of 2 body packs allows users to operate both microphones simultaneously with a feature set that includes 188 user selectable uhf frequencies pivoting high gain diversity antennas and lcd digital display