subwoofer box ported

MTX TN12-02 12" 400 Watt Car Audio Bass Subwoofer + Vented Ported Box Enclosure

SVS PB-1000 Pro Ported Subwoofers - Pair (Premium Black Ash)

Monoprice SW-12 400 Watt RMS 600 Watt Peak Powered Subwoofer - 12in, Ported Design, Variable Phase Control, Variable Low Pass Filter, For Home Theater

QPower 10 Inch Single Slim Shallow Subwoofer Box and Pyle 1000 Watt Subwoofer

2) Pyle PLPW10D 10" 2000W Car Subwoofer Audio Subs DVC 4 Ohm + Ported Vented Box

Maxxlink MBXP-112 12" Single Ported Subwoofer Box Enclosure, Universal Fit,Black

Q Power QBomb Single 12 Inch Vented Subwoofer Sub Box with Black Bedliner Spray

Q Power Single 12 Inch SPL XL Side Ported Subwoofer Enclosure HD112VL

2) MTX TN12-02 12" 400 Watt Car Audio Subwoofers + Ported Dual Box Enclosure

QPower 15 Inch Heavy-Duty Single Vented Carpet Covered Durable Car Audio Vehicle Subwoofer Enclosure Woofer Box, Charcoal Gray

Kanto Kanto SUB8 8" Powered Subwoofer Bundle with AudioQuest Jack Russell 4m

MTX TN12-04 12" 400 Watt Car Audio Bass Subwoofer + Vented Ported Box Enclosure

QPower Shallow Single 10" Sealed Truck Subwoofer Speaker Box, 18" x 13" x 5.25"

Kicker 47KEY5001 Mono Amp + 45TL7R102 10" L7R Subwoofer Box Bundle

Kicker 47KEY5001 Mono Amp + 52VCVR122 12" CompVR Subwoofer Box Bundle

Kicker 47KEY5001 Mono Amp + 50TCWC104 10" CompC Subwoofer Box Bundle

QPower 8 Inch Single Horn Ported Subwoofer Box Enclosure, 5/8" MDF, Black Carpet

Q Power QBomb QBOMB10HP Single 10" Vented Port Subwoofer Box w/ Bedliner Spray

Alpine S2-SB12V 12" Halo S-Series Preloaded Subwoofer Ported Enclosure with ProLink

Q Power Dual 10 Inch Vented Port Subwoofer Sub Box w/ Bedliner Spray (2 Pack)

Q Power QBomb 10 Inch Single Vented Subwoofer Sub Box with Black Bedliner Spray

QPower Dual 10" Subwoofer Enclosure, Sub Box for Ford F-150 SuperCrew 2004-2008

QPower 12 Inch Heavy-Duty Dual Sealed Carpet Covered Durable Car Audio Vehicle Subwoofer Enclosure Woofer Box, Charcoal Gray