Brand N/A Model M-520 Quantity 1 piece(s) Color Black Material Aluminium alloy + ABS Amplifier Class A FM Frequency 87.5~108 MHz Media Playback supported MP3 TF USB AUX Mic Singnal Compatible MP3 / FM Frequency response 20Hz~20K Hz Number of Channels 2 Input Power 41W + 41W Peak Power Output 200W RMS Power Output 41W + 41W Input Sensitivity 200mv/47kohm lnput Impedance Signal To Noise Ratio >85 dB Slewing Rate 98% Input Voltage DC 12V / AC 220~240V Speaker Impedance 2~8 ohm THD (Total Harmonic Distortion) 0.01% Interface TF/ USB/ AUX/ Mic Memory Card Max. Capacity TF card 16GB Remote Control Yes Application Car motorcycle etc. Other Features With double Karaoke microphone a variety of sound mode Packing List 1 x Amplifier 1 x Remote control (1 x CR2025 included) 1 x AC adapter (2-flat-pin plug / 120cm)