quad 8 inch subwoofer box

QPower Quad 4 Hole 12 Inch Sealed Divided Speaker Box Subwoofer Enclosure

Boss Chaos CX122 12-Inch 1400 Watt Car Subwoofer and Q POWER QSBASS12-VENTED 12-Inch Single Heavy Duty Vented Subwoofer Enclosure Box

Kicker 48CWR82 CompR 8" Subwoofer, DVC, 2-ohm - Includes Grill

Diamond Audio DESMB8A - 8" Slot Vented Active Subwoofer Enclosure (2Ω)

Diamond Audio DESMB8D - Dual 8" Slot Vented Passive Subwoofer Enclosure (2Ω)

Alpine R2-W8D4 Next-Gen 8" R-Series Subwoofer Dual 4-Ohm with KTE-8G.3 Grill

8-Inch Low-Profile Amplified Subwoofer System for Home Theater with Powerful Bass, Compact Design, Easy Setup

Alpine PWE-S8-MRN Compact 8-Inch Marine Powered Subwoofer Enclosure with IPX6 Waterproof Design

Kicker L7S84 L7S 8" Subwoofer, Dual Voice Coil, 4-Ohm & 52GL78 Grill Bundle

QPower QBGMCFF07408 8 Inch Quad Port Subwoofer Enclosure Box with Underseat Front Fire for GMC and Chevy Crew Cab 2007 to Current

Hifonics ELITE 8 Inch Shallow Mount Car Subwoofer, Dual 4 Ohm Voice Coil Speaker 500 Watt Peak Power Mobile Amplifier, Black/Blue

Kicker 48CWRT84 CompRT 8" Subwoofer, DVC, 4-ohm

Kicker 48CWRT84 CompRT 8" Subwoofer, DVC, 4-ohm w/ Speaker Wire, Grill Bundle

Kicker L7S82 L7S 8" Subwoofer Dual Voice Coil 2-Ohm 450W

Kicker 46L7T82 L7T L7-Thin 8-Inch (20cm) Subwoofer, Dual Voice Coil, 2-Ohm, 350 Watt

Kicker CWCS84 CompC 8" Subwoofers Bundle Single 4-Ohm Voice Coil

Kicker (2) 44CWCD84 CompC 8" Subwoofer Dual Voice Coil 4-Ohm, & 52GR8 Grill Bundle

Kicker 48CWRT84 CompRT 8" Subwoofer, DVC, 4-ohm - Includes Speaker Wire

Kicker 46L7T84 L7T L7-Thin 8-Inch (20cm) Subwoofer, Dual Voice Coil, 4-Ohm, 350 Watt

Kicker L7S82 L7S 8" Subwoofer, Dual Voice Coil, 2-Ohm & 52GL78 Grill Bundle

Alpine PWE-S8 Compact Powered 8" Subwoofer System

8-Inch Low-Profile Amplified Subwoofer System for Enhanced Sound with Heavy Bass, Compact Design, All Audio Devices Compatible

Memphis MJP822 MOJO Pro 8" Dual 2 Ohm Subwoofer

QPower QBomb QBOMB10HP Dual 10" Vented Port Subwoofer Box w/ Bedliner Spray