13-19 POLARIS RAN900XP: SSV Works Under Seat Weatherproof Amplified Subwoofer (10") SSV Works custom molded sub enclosure is designed for and includes a 10" subwoofer and mounts underneath the front seats. Weather proof enclosure protects woofer and internal amplifier.NO cutting required - The box simply bolts in and provides the proper fixture required for a 10" woofer.100% fiberglass for the best sound quality and bass response.Finished in a black texture