Boss Audio Systems MCBK470B is a weather-rated speaker and amplifier system designed for use with motorcycles and UTVs. It features Bluetooth audio streaming, RCA & 3.5mm audio inputs, speaker clamp mounts, and weatherproof volume control.

The MCBK470B is powered by a 1000W amplifier and has a frequency response of 80 Hz - 15 KHz. It comes with four high-performance, weatherproof speakers that are enclosed in high-impact, high-temp enclosures.

The system is easy to install and comes with all the necessary mounting hardware. The speaker wires are 4.9" long, the volume control wire is 5.9", and the power cable is 8.2".