Mini HIFI digital bluetooth audio power amplifier. Built-in LCD display, with backlight function.SD Card, U disk, MP3 format play, support bluetooth wireless connection. Supports FM stereo radio.Four channel output, can connect 2 pairs of speakers below 8 inches. The newly designed front panel of dazzling color light brings cool feelingWith 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. 1. Rated voltage: DC12V2. Rated power: 60Wx43. Maximum power: 180Wx44. Resolution: 20-20KHz5. Distortion rate: 0.46. Impedance: 4-16 ohm7. SNR: equal 80dB8. Effective frequency range: hz-20 20KHz9. Input sensitivity: 150-300mv10. Model Number : Home Theater Amplifierscolour:BlackMaterial:Metal Package Contents:1 x Audio Amplifier1 x English Manual1 x Remote Control(random color, cannot choose the specified color) Only the above package content, other products are not included.Note: Light 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.