2CH Hi-Fi Stereo Amplifier Booster DVD FM USB SD MP3 Speaker Remote for Car HomeFeatures:1. Can play U disk SD\/MMC card from music and FM stereo radio、 support MP3 music format(USB\/SD\/FM)2. Easy and Convenient to use3. Low distortion、 High-power TWO-channel professional Stereo Amplifier4. Great for use on your vehicle or your home5. Smart、 lightweight aluminium casing6. Allows for full control of your volume、 treble and bass output7. Filtering and anti-large-capacity power circuit protection8. DSP sound field pattern9. With Remote control functionSpecifications:1. R.M.S power:20w+20w2. R.M.S Power: 1KHz3. DC Input Power: 12V4. Input Sensitivity: 220mv5. Input Impedance: 47K6. Speaker Impedance: 4ohm to 16ohm7. Frequency Reponse: 20Hz to 20KHz8. High Control:12dB±10KHz9. Bass Control:12dB±100Hz10. Support U Disk\/SD Card\/FM\/MP3 function11. FM Frequency: 87.5MHz-108.0MHz12. Dimensions:130 x82x41mm(L x W x H)13. Color: Blue、Red、BlackPower Adapter is not included!Package Included:1 x Stereo Amplifier(not included power adapter)1 x User Manual