PMX-2, Front Color Optix™ Speaker & Subwoofer Kit for Select Polaris® RZR® Models (Gen-3) RZR14-STG4PMX 2, 800 Watt, Front Color Optix Speaker, Subwoofer & Rear Speaker Kit for Select Polaris RZR Models (Gen 3)RZR14 STG4 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