12" Loaded Subwoofer Ported Enclosure With GEN-X124D 450 Watts Rms
Amazon.com: QPower QBOMB12V Dual 12 Inch Subwoofer Box with Bedliner Spray for Speakers, High-Performance Vented Subwoofer, Durable Sub Box, Black : Electronics
Amazon.com: Car Audio Single 12" Vented Subwoofer Stereo Sub Box Ported Enclosure 5/8" MDF : Electronics