LED Power Indicator & Channel Display - RF Signal Indicator for transmitter signal strength - AC/DC adapter power jack - Signal/Noise Ratio: -105dB - Dimensions 6.8" x 5.3" x 1.7" Body-Pack Transmitter Specifications * Operation Range: Up to 164 ft. - UHF Signal for wider range and less obstruction - Power Supply: 110/220VReceiver Specifications - Border Upon Channel Rejection: > 70 dB - Includes (2) wireless body-pack transmitters, headsets & lavaliers * Audio Level Indicator for wireless system audio signal level - Up to eight separate channels to choose from - RF Frequency Range: 673-697.975 MHz - T.H.D.: 70 dB - Audio Output Level: 0-300 mV - RF Output: >10 dBm - Spurious Emission: > 55 dBc - Power Requirements: 2 x 1.5V AA (Not Included) * Independent & adjustable channel volume controls - XLR balanced output jack - Receiving Sensitivity: -105 dB - Power Requirements: 13-15V DC nominal 500 mA+ - Modulation Type: FM - Nominal Current Drain: less than 40mA