>>This audio system includes one AB-class amplifier and two high quality weatherproof speakers with heavy duty clamps fit for 7/8" to 1". >>Multi-media Amplifier: Built-in Bluetooth, Built-in FM radio, support AUX audio input, support full function wired control. >>Powerful Amplifier: 2.1 channels, rated output: 225W + 75W, peak output: 600W, compact size. >>Full-range Speaker: 3.5" sound space, 2.5" sound core, 20W rated power, treble enhance technology, awesome performance at speed over 80mph.
>>Good-looking Speaker: Elaborately processed surface, Black and Chrome color available, classic bullet shape, perfect appearance on riding. Input Voltage: DC 10-16 V. 3.5mm AUX Cable 1.