Ported Sub Box Subwoofer Enclosure for 2 10" Alpine Type R SWR-10 Subs Recessed | eBay
Alpine Dual 10” Type-R Thin Sealed Bass Package Includes two Alpine SWR-T10 10” thin subwoofers, and sealed enclosures
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
Custom Sub Enclosure | Affordable Sub Box
Box I built a couple months back. Alpine type R 10” 1.5cf at 33hz : r/CarAV
Alpine RS-SB10 Halo R-Series sealed enclosure with 10" 2-ohm shallow-mount subwoofer at Crutchfield
Custom Ported Sub Box Enclosure for 3 10" Alpine Type R SWR-10D2/D4 Subs (35 Hz) | eBay