If youre a real car audio fanatic, a sub enclosure with just a hole or two isnt good enough. You need your music to really be banging. You need the Q Power Quad Subwoofer Enclosure. This enclosure features 4 holes for a pair of 8-inch mid and a pair of 3-inch tweeters. The 5/8 inch MDF construction is covered in a durable black carpet material that will blend in with your cars interior. The holes are specifically engineered so the speakers and tweeters can experience a tight and snug fit. This enclosure also features a Speakon terminal port for an optional Speakon connector cable connection. This box does not include the Speakon cable. Bring your music listening experience to a whole other level with the Q Power Car Audio Subwoofer Mids and Tweeters Enclosure Box.