{"product_id":"stealth-acoustics-mbc-metal-back-box","title":"Stealth Acoustics MBC Metal Back Box","description":"Recommended Applications:\u003cbr\u003e\u003cbr\u003e\n\nUse the on installations into masonry, hat-channel type suspended ceilings where the space behind the speaker panel is open, or where a metal enclosure behind the speaker is required. This product is also useful to assist in installations where sound transfer from one floor or room to the next is of concern.\u003cbr\u003e\u003cbr\u003e\n\nConstruction:\u003cbr\u003e\n\nConstructed of 1.2 mm thick metal, MBC back boxes are shipped fully assembled. Convenient knockouts for conduit are provided, 1 each on the top and bottom of the box. The knockouts will accept 1\/2” (13 mm) conduits and loom clamps. The MBC back box is lined on all four sides with 3\/4” (19mm) plywood to provide solid mounting surfaces for the speaker panel.\u003cbr\u003e\u003cbr\u003e\n\nModel MBC-30\u003cbr\u003e\nFor Speakers: LR3, B30\u003cbr\u003e  \nHeight: 30-1\/8″ (765 mm)\u003cbr\u003e \nDepth: 3-15\/16”(98 mm)\u003cbr\u003e \nShip weight: 18 lbs. (8.2 kg) \u003cbr\u003e\u003cbr\u003e\n\nMBC-22\u003cbr\u003e \nFor Speakers: LR8, B22, SLR8, LR4-B22\u003cbr\u003e \nWidth: 16-1\/8″ (409 mm)\u003cbr\u003e \nHeight: 22-1\/8”(562 mm)\u003cbr\u003e\nDepth: 3-15\/16” (98 mm)\u003cbr\u003e \nShip Weight: 14 lbs.(6.4 kg)\u003cbr\u003e\u003cbr\u003e \n\nMBC-12\u003cbr\u003e \nFor Speakers: LR6, LR4-HM\u003cbr\u003e \nWidth: 16-1\/4″ (412 mm)\u003cbr\u003e \nHeight: 12-1\/8″ (308 mm)\u003cbr\u003e \nDepth: 3-15\/15″ (98 mm)\u003cbr\u003e \nShip Weight: 9 lbs.(4 kg) ","brand":"Stealth Acoustics","offers":[{"title":"Stealth Acoustics MBC-30 (MBC30) - Metal Back Box","offer_id":57409575584076,"sku":"STEALTHAMBC30","price":150.0,"currency_code":"GBP","in_stock":true},{"title":"Stealth Acoustics MBC-22 (MBC22) - Metal Back Box","offer_id":57422337933644,"sku":"STEALTHMBC22","price":150.0,"currency_code":"GBP","in_stock":true},{"title":"Stealth Acoustics MBC-12 (MBC12) - Metal Back Box","offer_id":57422337966412,"sku":"STEALTHAMBC12","price":150.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6891\/2204\/files\/Stealth-AccousticsMBC-Metal-Back-Box.jpg?v=1777488861","url":"https:\/\/www.stoneaudio.co.uk\/products\/stealth-acoustics-mbc-metal-back-box","provider":"Stone Audio","version":"1.0","type":"link"}