Brand N/A Model 2002 Quantity 1 piece(s) Color Cornflower blue + silver Material Aluminum alloy Amplifier Class B Function MP3 Player Frequency response 20~20000 Hz Number of Channels 2 Input Power 20W + 20W Peak Power Output 100W + 100W RMS Power Output 20W + 20W Input Sensitivity 220MV 47K lnput Impedance 4~16Kohm Signal To Noise Ratio 85 dB Slewing Rate 85% Input Voltage 12V Speaker Impedance 4 ohm / 2 ohm THD (Total Harmonic Distortion) 0.05% Interface Audio-in MP3 VCD/DVD DC 12V power-in Remote Control No Application Car / motorcycle / golf cart Packing List 1 x Amplifier