2 hole vented subwoofer enclosure Finished with durable bed liner Constructed with 0.75 inch MDF For third row of SUVs Vented downfire Having trouble finding a woofer box that you can install behind the third row of your SUV? Look no further, the Q Power 2 Hole 12 Inch Vented Subwoofer Enclosure will play your music throughout your ride so everyone can enjoy. This vented subwoofer enclosure can host subs or speakers up to 12 inches big and has 1.25 cubic feet of space per port. The downfiring box sits behind your SUV's third row. The enclosure features a mounting depth of 9 inches and is constructed with 0.75 inch MDF and finished with a durable bed liner.