DURABLE CONSTRUCTION: The ASC 212SQ Car Audio Dual 12" Sealed Square Sub Box Enclosure is built with meticulous attention to detail and high-grade materials, ensuring its durability and longevity. Its sturdy construction is designed to withstand the rigors of daily use. ENHANCED SOUND QUALITY: With the 212SQ in your car's audio system, you'll experience a significant improvement in bass performance. It enhances the low-frequency range of your music, delivering powerful and impactful bass that adds excitement to your listening experience. SEALED ENCLOSURE DESIGN: The ASC 212SQ Car Audio Dual 12" Sealed Square Sub Box Enclosure is a testament to its high-grade construction and optimized sound performance. Its sealed square design ensures that your subwoofers produce clean and powerful bass while preventing sound leakage and distortion. DIMENSIONS: Width 28-1/4" x Height 13-1/4" x Depth 13-1/4" ADDITIONAL ITEM SPECS: Mounting Depth of 12.25" making it compatible with the majority of 12" subwoofer and a total Air Space of 1.16 Cubic Feet for increased output So you purchased an earth shattering Kicker Solo-Baric sub huh? Good news! We offer the perfect enclosure to compliment your Kicker L3, L5 or L7 subwoofer! This sealed dual 12" enclosure is specifically built under Kicker's recommend airspace and will delver top end sound quality to bring every bass note to life! The enclosure is also relatively small in physical size so it will fit in almost any application! Our boxes are made from precision cuts of MDF. They are then liquid nailed, nailed and completely sealed. We then wrap them with high quality carpet that matches most vehicle interiors. All Boxes feature high grade spring loaded terminal cup(s) for the absolute best connection possible. All the custom series enclosures are made to fit precisely into your vehicle to the get the max performance from every extra inch of wasted space. We guarantee you will not only see a difference in the quality of the boxes we build, but you will hear the difference and that is what is it is truly all about.