MS-BX3020 3-Inch 2-Way Full Range Cabin Speakers; part of the FUSION signature series high end entertainment line, designed and engineered for internal cabin use. The MS-BX3020 is a compact speaker enclosure with a sophisticated internal crossover network, which features a high quality 3-Inch waterproof paper damped cone and silk dome tweeter in an optimized acoustic chamber. Internal components are conformal coated for marine use. FUSION recommends use in conjunction with the FUSION MS-AB206 Active Subwoofer which features a 2 channel speaker input specifically engineered to work best with the MS-BX3020 speakers, the MS-AB206 adds bass to the system and sounds exceptional. 3 Year Limited Consumer Warranty.