12 dual subwoofer box

Polk Audio Signature Elite ES20 Bookshelf Speakers - Pair

Alpine R2-DB8V-TRK Dual 8” Halo R-Series Preloaded Truck Subwoofer Enclosure with ProLink™ w/ R2-A75M Bundle

MB Quart Reference 12" Subwoofer with 3" Voice Coils for Car Audio, Vented Motor Assembly & Pressure Treated Double Stitched Foam Surround, 1200W

Monoprice CSW-8: 8" 100-Watt Compact Subwoofer, High-Level Speaker Inputs, Crossover Setting, RCA Inputs

Alpine RS-W12D2 12-inch R-Series Shallow Subwoofer Dual 2 Ohm & Grill Bundle

Alpine RS-W12D4 12-inch R-Series Shallow Subwoofer Dual 4 Ohm & Grill Bundle

Alpine HDZ-W12 12" Subwoofer | 800W RMS, Dual 4-Ohm Voice Coils, Grille

PowerBass 2 S-1204D 12" Dual 4-Ohm Subwoofers

Planet Audio AC12D 12 Inch 3600 Watt 4 Ohm Dual Voice Coil Car Audio Subwoofers w/ Stamped Basket, Polypropylene Cone & Foam Surround, Black, (2 Pack)

Bose Lifestyle Ultra Subwoofer - White

Kicker (2) 45L7R124 L7R 12" Subwoofer, Dual Voice Coil, 4-Ohm & 52GL712 Grill Bundle

Universal Audio APLS-HE Apollo Solo Recording Interface Heritage Edition

Alpine HDA-V90 Status Hi-Res 5-Ch Amp & HDZ-W12 12" Sub Upgrade Bundle

Pyle PLPW12D 12" 3200W 4-Ohm DVC Car Subwoofer Sub and Dual Ported Enclosure

Wet Sounds Venue Series 12” Landscape In-Ground Subwoofer

Hifonics 2 Pack ELITE 10” Shallow Subwoofer Dual Voice Coil Audio Speaker, 600W

MTX TERMINATOR 500-Watt RMS 2Ω Mono Block Class D Amplifier and MTX Audio 5512-44 55-Series 12" 400W RMS Dual 4-Ohm Subwoofer

Memphis Audio PRXE12DFT Dual 12" LED Loaded Subwoofer Box + PRX800.1V2 800W Mono Amp Bundle w/ 4 Gauge Wiring Kit & LED Controller

Alpine KTA-200M Mono Power Pack Amp with Alpine W12S4 12" Subwoofer

Alpine R2-W12D4 12" R-Series "R2" Subwoofer, Dual 4-Ohm, 750 Watt RMS

Alpine S2-W12D2 12" S-Series Dual 2 Ohm Car Subwoofer & KTE-12G.3 Grille Bundle

Alpine R2-DB8V-TRK Dual 8” Halo R-Series Preloaded Truck Subwoofer Enclosure with ProLink™ w/ R2-A75M & Rux Knob

Alpine Two R2-SB12V Next-Gen 12" R-Series Halo Loaded Sub Enclosures with KTX-H12 Link Kit