It is a compact size power amplifier for 2.0CH speakers. With LCD display, backlight design. All aluminum, the of machine made by wire drawingoxidation process. Adjust the high and low frequency separately, let you find your favorite frequency band. The whole machine is all metal body, spraying fine sand anodized black to show the texture. Can read U-disk and memory card, plug and play, Supports BT wireless connection. Treble, and volume adjustment buttons for easy operation. Left and right channel output, rated power 40W + 40W. Specifications: Color: black Material: aluminum alloy Power: 40W * 2 Load impedance: 4-16 SNR: 90db Frequency: 20Hz-20KHz Distortion rate: 0.01% Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Package Contents: 1 Amplifier 1 x Remote Controller 1 adapter 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.