dual 8 inch subwoofer box

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

PowerBass 3XL-1010D - 10" Dual 1 Ohm Subwoofer

Memphis Audio MJP1044 10" Dual 4 Ohm Subwoofer

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

Hifonics ELITE 12 Inch Shallow Mount Car Subwoofer, Dual 4 Ohm Voice Coil Speaker 600 Watt Peak Power Mobile Amplifier, Black/Blue

Kicker L7R Bundle - Two 45L7R124 12-Inch Dual 4-Ohm Subwoofers

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

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

Kicker 44L7S124 L7S 12" Dual 4-Ohm Subwoofer & LED White Grill

PowerBass 2 S-10TD Shallow Mount 10" Dual 4-Ohm Subwoofer

Hifonics 2 Pack ELITE 12 Inch Shallow Mount Car Subwoofer, Dual 4 Ohm Voice Coil Speaker 600 Watt Peak Power Mobile Amplifier, Black/Blue

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

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

PowerBass 2XL-1240D - 12" Compact Dual 4-Ohm Subwoofer

MTX Dual 12 Inch 1000 Watt RMS Vented Subwoofer Enclosure + Planet Audio 1500 Watt Monoblock Amp + Soundstorm 8GA Wiring Kit, Black

PowerBass 2XL-1040D - 10" Compact Dual 4-Ohm Subwoofer

Kicker Q-Class Bundle - Two 42CWQ152 15" Dual 2-Ohm CompQ Subwoofers

Memphis Audio SRX1244V 12" Street Reference Dual 4-Ohm Subwoofer - 300 wRMS

Memphis MJP1222 12" Dual 2 Ohm MOJO Pro Subwoofer with a MJP1000.1 1000W Monoblock Amplifier and Memphis 4 ga Wire Kit

Memphis 2 MJP1222 12" Dual 2 Ohm MOJO Pro Subwoofer with a MJP1500.1 1500W Monoblock Amplifier and Memphis 0ga Wire Kit

PowerBass XL-1240TD - 12" Dual 4-Ohm Shallow Mount Subwoofer

MTX TERMINATOR 1000-Watt RMS 1Ω Mono Block Class D Amplifier and Two MTX Audio 7515-44 75-Series 15" 750W RMS Dual 4-Ohm Subwoofer

MTX TERMINATOR 1000-Watt RMS 1Ω Mono Block Class D Amplifier and Two MTX Audio 5512-44 55-Series 12" 400W RMS Dual 4-Ohm Subwoofer

Memphis Audio MJP1222 12" Dual 2 Ohm MOJO Pro Subwoofer