10-12 POLARIS RAN800XP: SSV Works Center Drive Weatherproof Amplified Subwoofer (10") SSV Works Ranger Gen2 custom molded sub enclosure is designed for and includes a 10" subwoofer and mounts over the center drive shaft hump. 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.Enclosure is 100% fiberglass for the best sound quality and bass response.Finished in a