One of the best way to get the maximum bass per watt is a vented enclosure! This dual 12" enclosure will work with almost any brand and model subwoofer(s) just be sure to check the recommend airspace required. Unlike a sealed box the vent allows air to freely move in and out of the box but is "tuned" to a set frequency range that greatly increases the overall output. More air = more bass! 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. DURABLE CONSTRUCTION: It's engineered to minimize vibrations, ensuring clean and distortion-free bass output. The precise cuts and joins create airtight construction, preventing air leaks that could compromise performance. With space for two 12" subwoofers, this enclosure allows you to maximize your bass potential. SOUND QUALITY: Equipped with dual 12" subwoofer openings and a vented design, the 212VH is optimized for deep and powerful bass reproduction. It ensures that your low-frequency audio is delivered with precision and impact, enhancing your overall music experience. Minimal distortion and reduced vibrations contribute to clean and distortion-free bass, even at high volumes. VENTED ENCLOSURE DESIGN:l The ASC 212VH Dual 12" Sub Box Enclosure is designed to deliver exceptional bass performance in your car audio system. With its rugged build quality and precision engineering, this enclosure is built to last. It features dual 12" subwoofer openings and a vented design for optimized airflow, ensuring powerful and distortion-free bass reproduction. DIMENSIONS: Width 34" x Height 13-1/4" x Depth 16-1/4" Mounting Depth of 15-3/4" making it compatible with the majority of 12-inch subwoofers and a total Air Space of 1.60 Cubic Feet for increased output