KING BOXES SPRAYED QUAD 8" 09-UP F150 & 17-UP F250/350 CREW CAB FRONT PORTED SPRAYED (AK-FORD09-48)

Custom-fit quad 8″ subwoofer enclosure for 2009–22 Ford F-150 and 2017–22 Ford F-250/F-350 Crew Cab vehicles

Holds four 8″ subwoofers

Silver push-type speaker terminals

Width: 54″

Depth: 13 7/8″

Front height: 9 1/4″; back height: 6 7/8″

Internal volume: 1.745 cubic feet per chamber

Tuned to 36 Hz