Features: Mini HIFI digital bluetooth audio power amplifier. body, durable, the body is made of High-quality materials 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. Specifications: Amplifier type: hifi power amplifier power: 40W+40W Max power: 400W+400W Rated voltage: 12V 3A : 90dB Resolution: 47K Distortion rate: 0.1 Impedance: 4-16 Rated frequency: 20-20KHz Interface type: clip Receiving mode: audio input Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, the , the Philippines, Taiwan and so on. voltage: AC110V Material: plastic colour: black 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.