{"product_id":"jl-audio-subwoofer-marin-m7-12ib-s-gwgw-4-12-pouces-baffle-infini","title":"M7-12IB-S-GwGw-4 Marine Subwoofer","description":"\u003cp\u003e\n    Designed for demanding marine environments, the \u003cstrong\u003eJL Audio M7-12IB-S-GwGw-4 12-inch (300 mm) marine subwoofer\u003c\/strong\u003e delivers powerful and precise bass reproduction. Part of JL Audio’s M7 series, it is optimized for infinite baffle applications, allowing flexible installation without requiring a dedicated enclosure. This subwoofer is designed to operate with a large air volume behind it, of at least 84.95 litres (3 cubic feet).\n\u003c\/p\u003e\n\n\u003ch3\u003eDesign and marine robustness\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eM7-12IB-S-GwGw-4\u003c\/strong\u003e features marine-grade construction to withstand saltwater and harsh conditions. It includes a corrosion-resistant polymer basket that encapsulates the motor system, an injection-molded mica-loaded polypropylene woofer cone, and a synthetic rubber surround. A marine-grade synthetic fiber spider with a progressive profile and marine-grade brass terminals complete its design. The bright white Sport grille and trim ring are UV-resistant.\n\u003c\/p\u003e\n\n\u003ch3\u003eAudio performance and integration\u003c\/h3\u003e\n\u003cp\u003e\n    With a continuous power handling of 600 W RMS and a nominal impedance of 4 Ω, this 12-inch subwoofer can deliver a sound pressure level of 86.7 dB SPL (1 W \/ 1 m). It features a 4-inch voice coil and a robust suspension system for a linear excursion of 18.5 mm (0.73 in), ensuring high output. The motor design is optimized using JL Audio’s Dynamic Motor Analysis (DMA). The integrated Transflective™ RGB LED lighting allows for color-changing effects through the woofer cone, with multiple color options via a separately sold RGB controller. Professional installation is recommended, and the addition of a fast-blow inline fuse on the positive power wire is required for each speaker.\n\u003c\/p\u003e\n\n\u003ch3\u003eInstallation dimensions\u003c\/h3\u003e\n\u003cp\u003e\n    The mounting diameter is 306 mm (12.0625 in) with a mounting depth of 202 mm (7.94 in). The total diameter of the subwoofer is 356 mm (14.00 in). Pilot hole recommendations for #10 screws are 1\/8\" for fiberglass up to 0.125\" thick, and 9\/64\" for fiberglass thicker than 0.125\".\n\u003c\/p\u003e","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":56082807488852,"sku":"010-03286-00","price":699.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_6146a11c-d510-49bf-8e17-f8351d08273c.jpg?v=1781187897","url":"https:\/\/skysat.fr\/en-gb\/products\/jl-audio-marine-subwoofer-m7-12ib-s-gwgw-4-12-inch-infinite-baffle","provider":"Skysat","version":"1.0","type":"link"}