quad 8 inch subwoofer box

Alpine KTA-200M Mono Power Pack Amp with Alpine W10S4 10" Subwoofer and Bass Knob

PowerBass XL-POD8LRG - 8" RGB Long Range Pod Speaker System with XL-2305MX 300 Watt x 2 IPX65 Powersports Amplifier

Alpine R-SB10V Pre-Loaded R-Series 10-inch Subwoofer Enclosure, Alpine R-A75M 750 Watt Mono Amplifier, and Wiring Kit

Alpine (2) R2-W8D2 8" R-Series Sub w/ R2-A75M Mono Amp Bundle

Alpine S2-S65C - Next-Generation S-Series 6.5" Component Speaker Set w/ PWE-S8 Powered 8inch Woofer Bundle

Hertz Mille Legend Series ML-Power-1 D-Class Mono Amplifier with Mille Legend Series ML 2500.3 10" Subwoofer and Grill

Kicker Premium Marine (2 Pair ) 8" Speaker and Amplifier bundle Includes LED Remote ( 51MSC84 & 48KXMA4002 )

ATG Audio Marine Amplifier Plus (1) Pair 6.5" and (3) Pair 8" Black Marine Coaxials

Kicker 50CVX124 CompVX 12-Inch Subwoofer, Dual 4-Ohm & 46QW1220 12AWG 20ft Speaker Wire

Alpine Optim8 DSP Amp & BassRev™ BRV-S80C 8" & BRV-S40 4" Speaker Set

Kicker 51KSC6804 KS-Series 6x8" Coaxial Speakers with .75" tweeters w/ 51KSC504 5.25" Coaxial Bundle

Kicker Comp RT 8 Inch 48TRTP82 Thin Down Firing Enclosure Package with 47KEY5001 Amp, Bass Knob & Amp install kit Bundle

Kicker 44CVX122 COMPVX 12" Subwoofer Dual Voice Coil 2-Ohm, & 52GR12 Grill Bundle

Kicker (2) 48CWRT102 CompRT 10" Subwoofer, DVC, 2-ohm w/ 47Key5001 Amp Bundle

Alpine SXE-6926S 6x9" & SXE-1726S 6 1/2" 2 way Coaxial Speakers w/ PWE-S8 Powered 8inch Woofer Bundle

Kicker 48KMXL8 8" LED Horn-Loaded Marine Speakers & 47KLSR8 8-Inch LED Spacer Rings & LED Remote Bundle

Kicker 51MSS84 - MSS 8-Inch Premium Marine 4-Ohm LED Component System, Pair, (3) Pairs

Alpine S2-S80C - Next-Generation S-Series 8" Component Speaker Set w/ PWE-S8 Powered 8inch Woofer Bundle

SSV Works C185D 1.85" Dual Ring Clamps compatible with SSV Works 6.5" and 8" Cage Mount Speaker Pods & Accessories

Alpine Tesla Powered 10" Subwoofer and IST3Y100, ICCT3Y Speakers, Compatible with Tesla Model 3

Kicker (4) OEM 8" Silver Grill Upfittings Popular with Veranda, Godfrey, Bennington Boats

Alpine (2) R2-W8D2 8" R-Series Sub w/ S2-A120M Mono Amp Bundle

Memphis Audio MM84TB 8" Tower Speakers, Black for Centurion Predator Tower - Fits Ri230, Ri245, Ri265 - 1 Pair

Kicker (2 Pair ) KMTC8W 8" Loaded Marine Wake Tower Enclosures with 45KM84L Speakers - White Grills And Enclosures ( Includes LED Remote )