This audio roof is a collaboration between Polaris and MB Quart, engineered to mount directly to the RZR S4 and deliver a complete 160-watt, four-speaker sound system. The integrated AM/FM Bluetooth source unit and 80-watt four-channel amplifier drive the four 6.5-inch full-range coaxial speakers, while preamp outputs let you add Extreme Audio Pods, doors, a dash amp, or a subwoofer.

Built for the trail, the enclosure carries an IPX67 rating for waterproof, dustproof, and snowproof protection, and the reinforced mounting plate uses six fasteners to keep it secure. Controls live in the center console, with Apple device control and a 3.5mm audio jack for wired playback.