American Sound Connection Single 18 Subwoofer 1 MDF Universal Fit Vented Port Sub Box Speaker Enclosure

DURABLE CONSTRUCTION: Crafted with precision and durability in mind, the ASC HP118V enclosure is constructed from high-grade materials. This ensures

Atrend 15SVR 15 Black Carbon Fiber Vented Subwoofer Enclosure

Sound Ordnance™ Bass Bunker Ported dual 12 subwoofer enclosure (Model BB122-175V) at Crutchfield

Ported Single 18 Subwoofer Enclosure - SSA® Online Store

Atrend 15LSV 15 Single Vented SPL Subwoofer Enclosure

JL Audio 10 Dual 10WOV3 BassWedge Ported Enclosure Subwoofer - CP210W0V3 This powerful slot-ported BassWedge subwoofer system delivers awesome output at an unsurpassed value. The slot-port runs along the bottom of the enclosure and fires on the same plane as the woofers to produce excellent extension and response smoothness. The port mouth is flared to minimize air-flow noises.

JL Audio CP210-W0v3 Dual 10 inch BassWedge Ported Enclosure

American Sound Connection Car Audio Single 15 Vented Subwoofer Stereo Sub Box Ported Enclosure 3/4 MDF : Electronics

Single 8 Slot Vented Megabass Universal Fit Sub Box Enclosure - 1X8VMBASS

Absolute 6x9pkg MDF Angled Style 6x9 Gray Car Audio Speaker Box Enclosures

Xplicit Audio ELSBP Single 15 Ported Subwoofer Box

Qpower Dual 12 in. Vented Ported Subwoofer Sub Box with Bedliner Spray (4 Pack)