this is a home made sub enclosure for 3x 10" and 2x12" they are both seperate encloseures but are not detatchable, the 3x10s have 2 front ports with inserts and 1x rear port with insert, great box, lovley sound, the front is padded with glossy foam so when felted will be a lovley finish, it came out of MG ZR and filled the boot so please note this is a BIG enclosure approx size 90x50x70 cm