Professional UHF SLX series diversity receiver, automatic frequency selection, up to 12 compatible systems per band, 5-element LED bar for audio signal level, 3-segment transmitter battery life indicator, 1U 19" rack height and 1/2 width, retractable 1/4 wave antennas, in-line power supply for receiving accessories, metal chassis, switchable Mic / Line XLR and 6.35 mm jack outputs. Includes accessories for 19" rack mounting.