{"product_id":"jl-audio-subwoofer-marin-m7-12ib-12-pouces-led","title":"Marine subwoofer M7-12IB-S-GmTi-i-4","description":"\u003cp\u003e\n    The JL Audio M7-12IB-S-GmTi-i-4 marine subwoofer is designed to deliver powerful and precise bass reproduction in open-air infinite-baffle marine applications. This 12-inch (300 mm) model integrates advanced technologies to withstand harsh marine environments while delivering 600 watts RMS audio performance.\n\u003c\/p\u003e\n\n\u003ch3\u003eAudio Performance and Engineering\u003c\/h3\u003e\n\u003cp\u003e\n    With an RMS power rating of 600 watts and a nominal impedance of 4 ohms, this subwoofer is recommended for use with 200 to 600 watts RMS amplification. It features a high-temperature 4-inch copper voice coil and an injection-molded polypropylene cone, often mineral-filled with mica, paired with a synthetic rubber surround. Its sensitivity is 86.7 dB (1W\/1m), and its free-air resonance (Fs) reaches 35.34 Hz. The maximum linear excursion (Xmax) of 18.5 mm (0.73 inches) ensures high output and efficient power handling.\n\u003c\/p\u003e\n\n\u003ch3\u003eMarine Design and Durability\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eM7-12IB\u003c\/strong\u003e is specifically engineered for marine conditions. It includes UV inhibitors, UV- and corrosion-resistant polymer baskets, marine-grade synthetic fiber internal suspensions, and marine-grade gold-plated brass terminals. It exceeds international standards for salt fog resistance and UV exposure. JL Audio’s DMA (Dynamic Motor Analysis)-optimized motor designs reduce distortion, improve transient response, and optimize bass sound quality.\n\u003c\/p\u003e\n\n\u003ch3\u003eInstallation and Aesthetics\u003c\/h3\u003e\n\u003cp\u003e\n    This subwoofer is intended for infinite-baffle applications, requiring no dedicated enclosure but a large air volume behind it—at least 84.95 liters (3 cubic feet)—for optimal performance. It features a patent-pending JL Audio Transflective™ RGB LED lighting system that provides a uniform light effect through the woofer cone, with multiple color options. An optional RGB controller (sold separately) allows thousands of color variations. Its aesthetic design includes a removable metallic gray trim ring and a titanium sport grille, both customizable. Marine-grade stainless steel mounting hardware is included.\n\u003c\/p\u003e\n\u003cp\u003e\n    The subwoofer has an overall diameter of 356 mm (14.00 inches), a cutout diameter of 306 mm (12.0625 inches), and a mounting depth of 202 mm (7.94 inches). Its net weight is 11.5 kg (25.35 lbs), and its speaker displacement is 4.19 liters (0.148 cubic feet).\n\u003c\/p\u003e","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":56082821153108,"sku":"010-03289-00","price":773.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_db954881-068a-4c00-a9dc-fc21ba894583.jpg?v=1781187958","url":"https:\/\/skysat.fr\/en-gb\/products\/jl-audio-marine-subwoofer-m7-12ib-12-inch-led","provider":"Skysat","version":"1.0","type":"link"}