HIGH-GRADE CONSTRUCTION: The ASC 115PRF Sub Box Enclosure is meticulously crafted with high-grade materials, ensuring its durability and performance. Its 3/4-inch MDF wood construction is of the highest quality, providing a sturdy foundation for your 15-inch subwoofer. This construction guarantees that your subwoofer enclosure will last and perform exceptionally well. PREMIUM CRAFTSMANSHIP: The build quality of this enclosure is top-notch, featuring precise and robust joints. These joints are carefully assembled to create a solid and airtight structure that can withstand the vibrations and pressures generated by powerful bass. With its exceptional build quality, this enclosure ensures your subwoofer operates reliably and consistently. TAILORED FOR AUDIO EXCELLENCE: Designed with a focus on audio excellence, the ASC 115PRF Sub Box Enclosure enhances your audio experience. Its sealed design helps control and refine the sound output of your subwoofer, resulting in improved audio quality with deep and well-defined bass. Whether you're listening to music or watching movies, this enclosure is tailored to deliver audio excellence that exceeds your expectations. 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 made from tough as nails 3/4" MDF and is compatible with almost every sub brand and works best with mid level and high end 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.