Color Black Brand Chengsheng Model MA-200 Quantity 1 Set Material Aluminum alloy Shade Of Color Black Screen Size 1.8 inch Amplifier Class A Function MP3 PlayerRadioPower Off Memory function FM Frequency 87.5-108 MHz Frequency Response Range 20Hz~20000Hz Number of Channels 4 Rated Power 41 W Input Power 60 W Input Impedance 8ohm Peak Power Output 164 W THD SNR >85dB Sensitivity 220MV 47K Remote Control Yes Power Supply 12 V Interface/Port USB 2.0SD card slot External Memory Max. Support 32 GB Application carmotorcycle Packing List 1 x Amplifier 1 x Remote control (1 x CR2025 battery included)