Mini HIFI digital bluetooth audio power amplifier. , the body is made of aluminum alloy once, the anode treatment, the overall atmospheres, thick, feel is also very good. Suitable for SD Card, U disk, AUX input, MP3 format play, support bluetooth wireless connection. Supports FM stereo radio. With treble, bass, and volume control, very easy to use. Low distortion supplies a clearer, stronger and more powerful sound. Two main channel output. With Remote control function. DC power in, suitable for your car. Amplifier type: hifi power amplifier RMS power: 40W+40W Max power: 400W+400W Rated voltage: 12V 3A SNR: 90dB Resolution: 47K Distortion rate: 0.1 Impedance: 4-16 ohm Rated frequency: 20-20KHz Interface type: clip Receiving mode: audio input Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC 220V Colour:black Material:plastic Package Contents: 1 x Digital power amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.