JL Audio's mounting fixture is specifically designed for late-model Nautique boats (2009-2016) to securely attach all ETXv3 enclosures to the OEM tower position. Constructed from marine-grade aluminum with a clear anodized finish, it provides UV and corrosion resistance for long-lasting durability. Each fixture set is precision-machined to ensure a rock-solid fit, and includes stainless-steel hardware for added longevity.• Designed for OEM Nautique towers (2009-2016)• Precision-machined from marine-grade aluminum• Clear anodized finish for UV and corrosion resistance• Includes stainless-steel hardware for durability | JL Audio ETXv3 Enclosed Speaker System f/ OEM Nautique Tower (2009-2016)