{"product_id":"atrend-a152-12cp-b-box-dual-12-inch-sealed-subwoofer-enclosure-for-gm-extended-cab","title":"ATREND A152-12CP B Box Dual 12-Inch Sealed Subwoofer Enclosure for GM Extended Cab","description":"\u003ch2\u003eOEM-Fit Subwoofer Enclosure for GM Extended Cab Trucks\u003c\/h2\u003e\n\u003cp\u003eThe ATREND A152-12CP B Box is a dual 12-inch sealed subwoofer enclosure crafted to match the interior profile of 1999–2007 Chevrolet and GMC Silverado and Sierra Extended Cab pickups. Thoughtfully designed to sit under the seat without narrowing back-seat space, this enclosure aims to deliver steady bass in real-world driving and daily listening scenarios.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt for precision and durability\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDual 12-inch sealed enclosure delivers controlled low-frequency response for a balanced, musical bass experience.\u003c\/li\u003e\n  \u003cli\u003eSpecial aliphatic resin wood glue creates an airtight seal between MDF parts, with a second application around internal joints after final assembly.\u003c\/li\u003e\n  \u003cli\u003e3\/4-inch thick MDF and CNC-miter construction ensure a tight, rattle-free fit with accurate frequency reproduction.\u003c\/li\u003e\n  \u003cli\u003eAirtight recessed side panels reduce air leaks and vibrations, enhancing overall sound quality without harsh resonances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUnder-seat design and OEM compatibility\u003c\/h3\u003e\n\u003cp\u003eBuilt specifically for under-seat installation, this enclosure maintains an OEM-like appearance and preserves rear-seat usability. The carpeted finish and rounded edges blend with interior styling while concealing the enclosure from view.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompletely carpeted enclosure with rounded edges for a refined, factory-like look.\u003c\/li\u003e\n  \u003cli\u003e0.75-inch speaker baffles help emphasize bass response and speaker integrity.\u003c\/li\u003e\n  \u003cli\u003eEngineered for under-seat use in GM extended-cab models, keeping rear seating practical and accessible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey specs and fitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSub cutout: 11.125 inches\u003c\/li\u003e\n  \u003cli\u003eMounting depth: 7 inches\u003c\/li\u003e\n  \u003cli\u003eFront height: 9.25 inches; Rear height: 6.75 inches\u003c\/li\u003e\n  \u003cli\u003eWidth: 51.25 inches; Front depth: 14.75 inches; Rear depth: 13.13 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you gain\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is designed to translate music with clearer bass and reduced enclosure noise, contributing to a more satisfying listening experience. While results depend on your subwoofer choice, amplifier, and vehicle acoustics, the design prioritizes clarity, consistency, and a clean installation. As with any aftermarket upgrade, benefits are possibilities rather than guarantees, but the combination of airtight construction, robust MDF, and under-seat placement aims to support a more enjoyable drive-time soundtrack.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the ATREND A152-12CP B Box fit GM Silverado\/Sierra Extended Cab models from 1999 to 2007?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s specifically designed for 1999–2007 GM extended-cab pickups to preserve an OEM-like under-seat fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What features help prevent leaks and rattles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 3\/4-inch MDF, CNC miter joints, and aliphatic glue create airtight joints, with a second glue pass to seal internal joints.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Atrend","offers":[{"title":"Default Title","offer_id":48407399628957,"sku":"B0052QDQP8","price":207.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/atrend-a152-12cp-bbox-dual-12-inch-sealed-subwoofer.jpg?v=1781154358","url":"https:\/\/nexoltic.com\/products\/atrend-a152-12cp-b-box-dual-12-inch-sealed-subwoofer-enclosure-for-gm-extended-cab","provider":"Nexoltic","version":"1.0","type":"link"}