Our Gen-3 Stage 4 lets you hit the dunes and trails and make an impact! System allows you to add front and rear Color Optix speakers and a subwoofer on select RZR models. Kit is equipped with a PMX-2 digital media receiver, upper/lower dash kit (installation location depends on RZR model,) front speaker enclosures, M1 6.5" Color Optix speakers, 800-watt Element Ready amplifier, front subwoofer enclosure, M1 10" Color Optix subwoofer, 8-gauge wiring harness, M1 6.5" Color Optix moto-cans with harness, and a Color Optix controller. Kit supplied with all necessary mounting and installation hardware requiring minimal time and tools.