Dual Electronics BP1204 12inch Enclosed Dual Subwoofer System - Black for sale online | eBay
D4S SUBWOOFER BOX
Dual XNBP12D Bandpass enclosure with two 12" woofers at Crutchfield
Amazon.com: Cerwin Vega H6E12DV Double 12" Subwoofer Enclosure 2Ω for Car Audio with 500W RMS and 2400W Max Power Handling, Dual Voilce Coil, Vented, Single Unit. : Electronics
BPKG212v2 | 1200W Peak Dual 12" Loaded Ported Subwoofer Package with A – Belva
Ported Dual 12" Subwoofer Enclosure - SSA STORE
Built in Amp bassbox Double 12" Subwoofer Extreme Quality Performance Fast ship | eBay