OBCON Single 12" Large Universal Rear Console Enclosure With Labyrinth Power Port - Colorado, Yukon, Quad Cab 1.026 cu. ft. air space - tuned at 45 Hz Premium MDF with "Tri-lock" joint construction Labyrinth slot vent design Designed For: Yukon, Tahoe, Colorado, Trail Blazer, Ford Crew Cabs, Avalanche, GM Crew Cabs and other similar sized vehicles