Mini HIFI digital bluetooth audio power amplifier. Durable, the body is made of aluminum alloy once, the anode surface 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 : 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, , 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.