2 Used Alpine type-S 10 Subwoofers in custom Trapezoid Box SWS-1042D | eBay
Alpine SWT-S10 1200W Max Single 10" Sealed Subwoofer Tube Enclosure – absoluteusa
Alpine SWS-1023D Type-S 10" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine KTA-200M SWT-12S4 Alpine KTA-200M Mono Power Pack Amp with Alpine SWT-12S4 12" Loaded Tube Subwoofer and Absolute TW500 Dome Tweeter and Electrical Tape and Mobile Bracket | Reverb
Alpine SWT-S10 1200W Max Single 10" Sealed Subwoofer Tube Enclosure – absoluteusa
Alpine SWT-S10 10 Inch Shallow Mount 2 Ohm Subwoofer -