MDF Construction with 1-Inch Speaker Baffle</br>Miter & Dado Construction with Premium Carpeted Finish</br>Divided Chamber & Dual Vents</br>Black & Red Spring Loaded Terminal Cups</br>1.40 Cu. Ft. Air Space per Sub (Tuning - 41Hz)</br>10-inch Dual Vented Enclosure</br>Vented Chambers</br>MDF Construction</br>Completely Carpeted Enclosure</br>1-inch Speaker Baffles</br></br>Product Description</br></br>Dual 10-Inch Divided Chamber Dual Vent Subwoofer Enclosure</br><br/>http://www.amazon.com/gp/product/B0013MYXCK