The Jensen 2-Channel Bluetooth Amplifier is a great solution for bikes that do not have an in dash stereo The amp's integrated Bluetooth technology allows you to stream audio content using your Bluetooth enabled device to the speakers installed on your motorcycle Specs: 80 watt max power (40 watt RMS) Bluetooth audio (AVRCP, A2DP) Waterproof (IPX6) Mountable illuminated program button 4 Ohm ~ 8 Ohm stable Operating voltage: 10-18VDC Frequency response: 20Hz - 20KHz Red LED power indicator Epoxy potted enclosure Corrosion resistant (ASTM B117)