LAB SlapBox 2.50 ft³ Ported/Vented MDF Sub Woofer Enclosure Box for Single Sundown Audio 12 X / ZV5 Series (X-12 / ZV5-12) Car Subwoofer | 3/4 Premium MDF w/Double MDF Front Baffle
Rockford Fosgate Punch P1-2X12 Ported enclosure with two 12" Punch P1 subwoofers at Crutchfield
MDF Subwoofer box 2x12''
Sony 2x12" (2400w) Subwoofer Box - £10 [SOLD] - Parts & Breakers - BMW 5 Series Owners Board