1. 100% Brand New and High Quality2. Easy and Convenient to use3.Low distortion、 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. LED light for Volume ControlSpecifications:1. R.M.S power:20w 20w2. R.M.S Power: <0.1% atlKHz3. DC Input Power: 12V (2-4)A Max4. Input Sensitivity: 200mv5. Input Impedance: 47K6. Speaker Impedance: 4ohm to 16ohm7. Frequency Reponse: 20Hz to 20KHz8. Min. THD: <0.005%9. Signal ise Ratio: >70dB10. RCA Input for MP311. Dimensions:10 x7 x4cm(L x W x H)Package include:1 x Stereo Amplifier