Feature Specification Model Ahuja DPA-770 Power Output 37W Max., 30W RMS at 10% THD, 27W RMS at 5% THD Input Channels 4 × Mic (0.5mV/2.5kΩ), 1 × Aux (50mV/330kΩ) Built-in MP3 Player USB reader with remote control Tone Control Cut-type, -10dB at 10kHz Line Output 250mV/3.5kΩ Speaker Outputs 4Ω, 8Ω, 16Ω, 100V Power Supply AC: 220-240V 50/60Hz, DC: 12-14V Car Battery Power Consumption AC: 48VA