ASSEMBLED WITH PRECISION: The ASC RF115H subwoofer enclosure is meticulously assembled with precision, ensuring that all its components fit together seamlessly. This attention to detail in assembly guarantees a snug and airtight fit for your 15" subwoofer, optimizing its performance and delivering powerful bass. SEAMLESS FIT: This enclosure features robust joints that enhance its overall durability and strength. These joints are designed to withstand the demands of heavy bass output and the rigors of car audio applications, ensuring that your subwoofer remains securely housed and protected. IMPROVED SOUND QUALITY: With its precise construction and solid joints, the RF115H contributes to improved sound quality in your car audio system. By providing a stable and resonance-free environment for your subwoofer, it allows for cleaner and more accurate bass reproduction, enhancing your overall listening experience. DIMENSIONS: Width 18" x Height 15-3/4" x Depth One 14-1/2" x Depth Two 18" ADDITIONAL ITEM SPECS: Mounting Depth of 14-1/2" making it compatible with the majority of 15-inch subwoofers and a total Air Space of 1.50 Cubic Feet for increased output We offer a specifically enclosure for Sedan's and Coupe's that just cannot be found elsewhere. What is the advantage to our enclosure? This single 15" sealed subwoofer box features a flat front where the subwoofer actually mounts and then the rear of the enclosure is slanted. This is convenient since most of the time when you push a standard square box against the rear seat in the trunk you have wasted space. However the slanted box can be pushed all way back against the rear seat and save precious trunk room! This enclosure is compatible with almost every sub brand and works best with entry to mid level subwoofer(s). 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.