Features: IMC Audio PPA8SS Single 8" Sealed Subwoofer Enclosure 3/4" Heavy Duty MDF Construction Quality Glue for extra durable adhesion Platinum spring loaded terminals Works with most of todays 8" Subwoofers Dimensions: Width: 10" Height: 10" Depth: 10" Mounting Depth: 8 1/2" Material: 3/4" MDF Hole Diameter is 7 1/4" Color: Charcoal