Brand N/A Model HY-502 Quantity 1 piece(s) Color Black + silver Material Aluminum alloy Screen Size 1.7 Amplifier Class AB Function FM / MP3 Player FM Frequency 87.5~108 MHz Media Playback supported MP3 SD USB Singnal Compatible MP3 Frequency response 20~20000 Hz Number of Channels 2 Input Power 20W+20W Peak Power Output 80W+80W RMS Power Output 20W+20W Input Sensitivity 220MV 47K Output Impedance 4~16 ohm Signal To Noise Ratio 85 dB Slewing Rate 98% Input Voltage 10V~15V Speaker Impedance 4~16ohm THD (Total Harmonic Distortion) <0.05% Interface SD/MMC + USB + 3.5mm MP3 + AUDIO IN + VCD/DVD Memory Card Max. Capacity 16GB SD card Remote Control Yes Application Use this AMP on your car motorcycle golf cart or any other place where you need a small amplifier to create a better listening experience Other Features Capable to drive the audio signals from MP3 MP4 CD radio DVD Packing List 1 x Amplifier 1 x Remote control (1 x CR2025 included) 1 x English manual