{"product_id":"subwoofer-marin-jl-audio-m3-10-pouces-grille-sport-grise-010-03071-01","title":"JL Audio M3 10\" marine subwoofer, Sport gray grille","description":"\u003cp\u003eThe JL Audio M3 10\" marine subwoofer with Sport gray grille reinforces the bass in the onboard audio system. This passive speaker accepts a continuous power rating of 175 W RMS at 4 ohms. Garmin recommends amplification of 50 to 175 W RMS per channel; it is not an integrated amplifier.\u003c\/p\u003e\u003ch3\u003eMounting and acoustic load\u003c\/h3\u003e\u003cp\u003eIt is designed to operate in infinite baffle mode, without a dedicated enclosure, with a large rear air volume specified at 56.6 litres in the manual. This compartment must remain empty for optimal performance. A sealed enclosure can also be built according to the recommended net internal volume of 56.66 litres; the F3 cutoff of 42.9 Hz applies to this configuration, not to a universal frequency response of the speaker. Ported enclosures are not recommended.\u003c\/p\u003e\u003cp\u003eAllow a cutout of 225 mm and 127 mm clearance behind the mounting surface. The overall diameter is 273 mm and the Sport grille extends 40 mm at the front. The stated net weight is 5.7 kg, excluding shipping weight.\u003c\/p\u003e\u003ch3\u003eMarine installation\u003c\/h3\u003e\u003cp\u003eOnly the front face is protected against water ingress: the rear, connections, and wires are not waterproof and must be kept protected from moisture. In exposed weather or water zones, mounting on a vertical surface is mandatory. Outside the boat, the speaker must be placed well above the waterline, with no risk of immersion or impact against docks or equipment. Power off the audio system before any connection.\u003c\/p\u003e\u003ch3\u003eBox contents\u003c\/h3\u003e\u003cp\u003eDelivered as a single unit with a Sport gray grille, six stainless steel mounting screws and washers, and the logo badges provided for Sport models. No amplifier or enclosure is listed in the official box contents.","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":57494545924436,"sku":"010-03071-01","price":255.77,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/x5buk7r6_010-03071-01-01-cf-lg.jpg?v=1791551616","url":"https:\/\/skysat.fr\/en-gb\/products\/subwoofer-marin-jl-audio-m3-10-pouces-grille-sport-grise-010-03071-01","provider":"Skysat","version":"1.0","type":"link"}