SallyBest&reg; 2 Channel 7 Color LED Display Handover Hi-Fi Car Motorcycle Stereo Amplifier Support CD DVD MP3 Input Volume adjusting and host switch. Treble / Bass / Volume control. 2 channels stereo, suitable for car, motorbike, boat or home use. Volume 7 color LED display. Speaker impedance: 4 to 16 Ohm. Small size, it's portable and can be installed anywhere.