Feature:1. Support TF / U disk / AUX audio input 2. Support up & down the song switch, play pause function 3. Built-in high quality tweeter 4. Support remote control volume adjustment & manual volume adjustment 5. Support infrared remote control receiver 6. Support for external audio input, such as computer MP3 MP4 mobile phone DVD & so on 7. Power memory function & automatic playback function 8. Input voltage: DC: 12 V AC100-240V9. Subwoofer comes with accessories remote control AC power cord 10. Suitable for: motorcycles, cars, home, computers, mobile phones can be Specification: Voltage: DC: 12 V/AC100-240 V Max Power: 150 W Actual Power: 80 W Impedance: 4 Sensitivity: 75-90DBDistortion: 0.01% (human ears almost can not hear) Speakers: 6 inch/ 8 inch/ 10 inch/ 12 inch Treble: Unlimited Dimensions: 13.5x 8x 12cm Package Included:1 X HIFI Car Amplifier