dual 12 inch subwoofer box ported

JBL Club 1000P Single 10 Inch Loaded Subwoofer Enclosure

Alpine 2-R2-W12D2 Next-Generation 12" R-Series Subwoofers with Dual 2-Ohm Voice Coils

Kicker 46L7T122 L7T L7-Thin 12-Inch (30cm) Subwoofer, Dual Voice Coil, 2-Ohm, 600 Watt

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

Kicker VL7S122 L7S 12" Subwoofer in Vented Enclosure 2-Ohm

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

PowerBass 3XL-1210D - 12" Dual 1-Ohm Subwoofer

PowerBass 3XL-1220D - 12" Dual 2-Ohm Subwoofer

Alpine R2-W12D2 Next-Gen 12" R-Series Subwoofer Dual 2-Ohm with KTE-12G.3 Grill

Memphis Mojo Pro MJPE12D1 Dual 12" 1-Ohm Loaded Subwoofer Enclosure

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

Wet Sounds Venue Series 12” Landscape In-Ground Subwoofer

Kicker 52DCVR122 CompVR 12" dual subwoofers in vented box, 2-ohm

Kicker 46L7T122 Two L7T L7-Thin 12-Inch (30cm) Subwoofers, Dual Voice Coil, 2-Ohm, 600 Watts Each

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

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

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

MB Quart Dual 10" Subwoofer System Upgrade for Can Am Defender 17-25, 400 Watts

Harbinger VARI V3412 12" Powered Speakers Package With LX12 Mixer, Stands & Cables

Alpine S-DB8V-TRK Dual 8” Alpine Halo S-Series Preloaded Truck Subwoofer Enclosure

In-Wall Bluetooth Audio Receiver for Streaming with Dual Wall Plate, + All Devices Compatible

Alpine R2-W12D2 12" R-Series "R2" Subwoofer, Dual 2-Ohm, 750 Watt RMS

Alpine R-W12D2 12" Subwoofer with KTE-12G.2 12" Speaker Grill