Boss Audio 3" MCBK425BA Motorcycle Speaker System - Black - 600W [MCBK425BA]3" MCBK425BA Motorcycle Speaker System Black 600W These motorcycle speakers are made for outdoor adventuring. You can use Bluetooth to stream music or plug an MP3 player into the aux jack and enjoy your digital music. It'll all sound good through these rugged, all weather 3" Boss speakers. The Class D amp will produce plenty of punch, and the in line controls will allow you to control the volume and other necessary functions. Features: Weatherproof