2) Alpine R2-W10D2 10" Type-R 750w Car Audio Subwoofers+Vented Sub Box Enclosure - Rockville Audio
Alpine R-Series 10" Halo Subwoofer Enclosure - R2SB10V | Abt
Universal Car Stereo Slotted S Port Single 10" Alpine Bundle Type R R-W10D4 Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit - Walmart.com
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Alpine Audio 10" Type R & Type X Custom Aero Ported Box X-W10D4 R-W10D4 R-W10D2 | eBay
Alpine R2-SB10V 10" 750w R2-W10D4 Subwoofer+Ported Sub Enclosure Box+Alpine Amp - Rockville Audio
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Ported Sub Box Subwoofer Enclosure for 2 10" Alpine Type R SWR-10 Subs Recessed | eBay
RAM Designs: Alpine Type-R 10" Ported Sub Box Design - YouTube
Alpine 12” Type R-Series Powered Ported Bass Package Includes one Alpine R-W12D4 12” subwoofer, R-A75M amplifier, and 2.25 ft³ optimized ported enclosure
R2-W10D4 10-inch R-Series Subwoofer – Audio Design
Alpine Dual 10” Type-R Thin Sealed Bass Package Includes two Alpine SWR-T10 10” thin subwoofers, and sealed enclosures
Alpine R2-W10D4 10" 750w Car Subwoofer+Vented Sub Box+Mono Amplifier+Amp Kit - Walmart.com
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Custom Ported Sub Box Enclosure for 3 10" Alpine Type R SWR-10D2/D4 Subs (35 Hz) | eBay
Amazon.com: Universal Car Stereo Paintable Ported 10" Alpine R-W10D4 Type R Car Audio Subwoofer Custom Sub Box Enclosure Package New : Electronics
Alpine R-SB10V Pre-Loaded R-Series 10-inch Subwoofer Enclosure - Open Box - Creative Audio
Alpine R2-SB10V Single Type R2 10-in Subwoofer in Vented Enclosure - Creative Audio
2) Alpine Type-R R2-W12D2 12" 750w Subwoofers+Vented Box+Mono Amplifier+Amp Kit - Walmart.com
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Ported Sub Box Subwoofer Enclosure for 2 10" Alpine Type R SWR-10 Subs Recessed | eBay
Alpine R-Series 10" Halo Subwoofer Enclosure - R2SB10V | Abt
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Alpine Audio 10" Type R & Type X Custom Aero Ported Box X-W10D4 R-W10D4 R-W10D2 | eBay
Alpine RS-SB10 Halo R-Series sealed enclosure with 10" 2-ohm shallow-mount subwoofer at Crutchfield
Amazon.com: Alpine R-W10D2 Car Audio Type R Series Sub Dual 2 Ohm 2250W Peak 10" Subwoofer and HA-SWKD Dual Subwoofer Sub Box Install Kit : Electronics
Amazon.com: Alpine R-SB10V 10" Linkable Subwoofer Enclosure : Electronics
10" Alpine Type R Custom Ported Sub Box Build - YouTube
