Color Blue + Silver Brand Kentiger Model TZ-502 Quantity 1 Piece Material Aluminum alloy Shade Of Color Blue Amplifier Class A Function MP3 PlayerRadio Frequency Response Range 20Hz~20000Hz Number of Channels 2 Rated Power 20 + 20 W Input Power 20 + 20 W Input Impedance 4-16ohm Peak Power Output 80+80 W THD SNR 70~95dB Sensitivity 220MV 47K Remote Control Yes Power Supply 12 V Interface/Port USB 2.0SD card slotOthersMMC 3.5mm MP3 Audio IN VCD / DVD External Memory Max. Support 32 GB Application carmotorcycle Other Features Can install on your car motorcycle golf cart or any other place where you need a small amplifier to create a better listening experience; Capable of driving 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 user manual