quad 8 inch subwoofer box

JBL FUSE Dual 8" Detachable Subwoofer System with Built-In Passive Radiators

Kicker 50TCWC104 CompC 10" Subwoofer in Thin Profile Enclosure 4-Ohm

Memphis Audio MM84TB 8" Tower Speakers, Black (4 Units) for Centurion Predator Tower - Fits Ri230, Ri245, Ri265 - 2 Pairs

Lanzar Low Profile Marine Subwoofer System - 1000 Watt 8 Inch Slim Active Waterproof Amplified Bass Speaker (White)

Fluance Fi70WW Three-Way Wireless High Fidelity Music System with Powerful Amplifier & Dual 8" Subwoofers

Kicker 48TRTP82 Comp RT 8" Subwoofer Enclosure Package w/ Speaker Wire Bundle

Kicker 44L7S84 Solobaric L7 8" Subwoofers Bundle - Dual 4-Ohm Voice Coils for wiring to a 1-ohm monoblock amplifier

Alpine PWE-S8 Compact Powered 8" Subwoofer System w/ 46KISL K-Series Interconnect, Speaker Wire To RCA Adapter

Kicker (2) SOLOXS & WarHorse Competition Bundle, (2) 52L7XS121 12" Subwoofer, 49WXA36001 Amp & Dual Unloaded Enclosure

Kicker 48CWR122 CompR 12" Subwoofer, DVC, 2-ohm - Includes Speaker Wire

Memphis Audio 8" Subwoofer Loaded Enclosure for 2019+ Dodge Crew Cab Ram

Kicker 47KEY5001 500-Watt Mono Channel Amp With 48CWR84 8" Subwoofer Bundle

Kenwood P-XW1241S Single 12" Subwoofer in a Vented Enclosure and includes a X502-1 1000W Max Power eXcelon Class D Mono Amplifier

Kicker 48CWRT84 CompRT 8" Subwoofer, DVC, 4-ohm w/ 47Key5001 Amp Bundle

Memphis MJMECHEV8D1V2 Dual 8" Subwoofer Loaded Enclosure Compatible with 2007+ Chevrolet & GMC Crew Cabs with PRX1500.1V2 Monoblock Amplifier and A...

Memphis MJMECHEV8D1V2 Dual 8" Subwoofer Loaded Enclosure Compatible with 2007+ Chevrolet & GMC Crew Cabs with MJP1500.1 Monoblock Amplifier and Amp...

Memphis MJME19RAM8D1V2 Dual 8" Subwoofer Loaded Enclosure for 2019-up Dodge Crew Cab Ram with MJP1500.1 Monoblock Amplifier and Amp Wiring Kit

Kicker (2) 49L7X82 - SoloX L7X 8-Inch Competition Subwoofer, 2-Ohm

Kicker (3) 49L7X82 - SoloX L7X 8-Inch Competition Subwoofer, 2-Ohm

Kicker (2) 49L7X81 - SoloX L7X 8-Inch Competition Subwoofer, 1-Ohm

Alpine S2-W8D4 8" S-Series Dual 4 Ohm Car Subwoofer & KTE-8G.3 Grill Bundle

Kicker Pontoon - Tritoon Boat Premium Audio Upgrade, (4) 8" LED Marine Speakers, 10" Subwoofer Enclosure & KMA 6Ch. Marine Amplifier Bundle

Q Power Single 12" Triangle Ported Car Audio Subwoofer Box Enclosure (2 Pack)

MTX 12" 400 Watt RMS Dual Loaded 1200 Watt Car Subwoofer Enclosure Audio with Sub Box, Mono Block & 8-Gauge Amplifier Complete Wiring Installation Kit