Exclusively for JL Audio® subwoofers, we offer our LAB OEM-SpecT line of subwoofer boxes. Using JL Audio's specific box designs, these enclosures are built empoyling the same quality construction as our SlapBoxT utilizing solid 3/4 CNC-cut high-grade MDF (medium density fiberboard). OEM-SpecT sub woofer enclosures are currently available for most JL Audio® subwoofer drivers in both sealed and ported designs. JL Audio® designed W6 v3 12-inch vented subwoofer enclosure.Built using JL Audio®'s recommended ported box design for a single 12 JL Audio® W6v3 sub woofer (12W6v3-D4). Constructed of 0.75 CNC-cut high-grade MDF. Enclosure volume: 1.30 ft^3 (net internal). Peak tuning frequency (Fb): 33Hz. Sub cutout diameter: 11.02" (11-1/32"). Dimensions: 27" W x 14" H x 12.5 D. We will contact you, should there be a problem or delay with your order. Damaged Merchandise All packages are inspected for damage prior to leaving our warehouse. Damaged merchandise must be replaced with the same model only. Remote, bass knob, wires, etc. We will not process the return if any of these conditions are not followed. Return merchandise that is lost or damaged in transit is solely the shipper's responsibility. Complete selection of woofer-specific, large ported and sealed boxes.