Upgrade the low-end frequency of your Polaris RZR Pro with the DS18 RZR-PROFSUB10LD, a custom-molded 10" loaded subwoofer enclosure. Designed to mount discreetly without sacrificing legroom, this rugged waterproof sub enclosure delivers deep, thumping bass directly to the cabin. It comes pre-loaded with a high-performance DS18 10" subwoofer, giving your off-road rig the heavy-hitting audio it needs to cut through engine noise on the trails.