Weston HDT 777 USB

1.AC power voltage please refer to the correct voltage on the label of the PA Amplifier main mahine 2.DC 12V/ 2.2AH built-in rechargeable battery. Peak of Music Power: 75W max Loudspeaker: 16cm 35W/ 4ohms Frequency responce: 100Hz~ 15MHz Channel: Double wireless channels Freq Range: VHF 174-216MHz( 98groups for option) Sensitivity: 10dBuV( S/ N 80dB above) Oscillating Mode: + 0.005% quartz oscillating locked. Service Range: 35meters Dimension: 230x160x320mm weight: 4kgs Transmitter: 1.Transmitte r power: 10mW 2.Power supply: DC 9V 3.Consume power: 30mA 4.Subarmonic: > 40dB 5.Frequency stability; + 0.005% Quarty crystal locked.