The Best Just Got Better AND Louder SSV Works new iPod Weather Proof audio system for the Polaris RZR XP4 1000 provides Hi-Def stereo sound. The WP3-RZ3O4A clamps in overhead to your stock cage, installs in 15 minutes with a simple 2 wire hook up and is totally weather proof. No more radios..Simply connect your Smartphone or MP3 player wirelessly via Bluetooth. System features a built-in 50 watt x4 ultra-efficient low power consumption digital amp designed around UTV's charging system, waterproof speakers, includes AM/FM tuner for local radio reception with internal antenna. Like all SSV Works systems, the enclosure is constructed of fiberglass for maximum durability and the best sound quality. All systems include wiring, mounting hardware and step-by-step instructions. - Optional RCA low-level output for system expansion (requires WP-HRCA adapter).