Fangrui Product Details 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. Two Microphone Input Slot, Karaoke System In Your Home Or In Car. 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/ Ac Power In, Suitable Foe Home Or Your Car. Model: G20 Bluetooth: Support Output Power: 80w+80w Power: 300w+300w Channel: 2 Ch Load Impedance: 4-16ohm Snr: 92 Db Fm Frequency: 87.5-108mhz Distoration Rate: 0. Frequency: 10hz-20khz Sensitivity: 0.25mv-220mv 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