PMX-1, Front & Rear Speaker Kit for Select Polaris® RZR® Models (Gen-3) RZR14-STG2PMX 1, Front & Rear Speaker Kit for Select Polaris RZR Models (Gen 3) RZR14 STG2 Our Gen 3 Stage 2 kit allows you to add front rear audio on select RZR models, ideal if you are looking to add sound to your ride but not ready to add amplifiers or a subwoofer yet. Kit is equipped with a PMX 1 digital media receiver, upper lower dash kit (installation location depends on RZR model,) front speaker enclosures, Element Ready M0 6. 5 speakers, and rear M0 6.