dual 12 inch subwoofer box port

Kicker L7R Bundle - Two 45L7R152 15-Inch Dual 2-Ohm Subwoofers

Kicker 44L7S104 L7S 10" Dual 4-Ohm Subwoofer & LED Charcoal Grill

Kicker L7R Bundle - Two 45L7R102 10-Inch Dual 2-Ohm Subwoofers

Alpine R2-W8D4 8" R-Series "R2" Subwoofer, Dual 4-Ohm, 350 Watt RMS

Kicker 44L7S102 L7S 10" Dual 2-Ohm Subwoofer & LED Charcoal Grill

ATG Audio Transcend Series 8" Dual 4-Ohm Subwoofer - ATG-TS8X2.4

Memphis Audio MJP822 Dual 8" DVC 2-Ohm Subwoofers, Grilles

Hertz CP-1.700 Amp + MP-250-D43 10in Dual 4-Ohm Subwoofer

Memphis Audio MJP1022 Dual 10" DVC 2-Ohm Subwoofers, Grilles

Alpine R2-W10D2 R-Series 10in Dual 2 Ohm Subwoofers 4 Pack

Memphis Audio MJP844 Dual 8" DVC 4-Ohm Subwoofers, Grilles

Kicker 44L7S104 L7S 10" Dual 4-Ohm Subwoofer & LED White Grill

PowerBass 3Xl-1020D - 10" Dual 2 Ohm Subwoofer

PowerBass S-1004D - 10" Dual 4-Ohm Subwoofer

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

Alpine RS-W10D4 10-inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils

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

Kicker 44L7S102 L7S 10" Dual 2-Ohm Subwoofer & LED White Grill

Diamond Audio DESMB8DA Dual 8" Slot Vented Active Subwoofer Enclosure (2Ω)

Diamond Audio DESMB10D - Dual 10" Slot Vented Passive Subwoofer Enclosure (2Ω)

Memphis Audio MJP1044 10" Dual 4 Ohm Subwoofer

Kicker L7R Bundle - Two 45L7R154 15-Inch Dual 4-Ohm Subwoofers

Memphis MJP822 MOJO Pro 8" Dual 2 Ohm Subwoofer

Alpine R2-W8D2 8" R-Series "R2" Subwoofer, Dual 2-Ohm, 350 Watt RMS