JL Audio M MCPv3 SM Mounting Fixture for M880 ETXv3, M770 ETXv3 & MX770 ETXv3 - Surface/Deck Mounting Kit for Four Winns Boats - Perfect for Marine Audio System Upgrades & Watercraft Speaker Installation

This fixture is designed to attach all ETXv3 enclosures to the OEM tower position found on Four Winns boats and can also be used for surface/deck mounting. Armed with a tough, clear anodized finish that’s UV/corrosion-resistant, each fixture is precision-machined from marine-grade aluminum to create rock-solid attachments points. Each fixture set is designed to mount two ETXv3 enclosures and includes stainless-steel hardware for years of durability.