K1-SB Dual 15 Inch Outdoor Passive Pa Subwoofer Speaker for Stadium - Buy K1-SB subwoofer, subwoofer speaker, 15 in subwoofer speaker Product on Sanway Professional Audio Equipment Co., Ltd.
D4S SUBWOOFER BOX
Rockville RDV15 Dual 15" Vented Subwoofer Enclosure Sub Box 2.4 CU FT - Rockville Audio
Amazon.com: Atrend Digital Designs 15” Dual Vented SPL Subwoofer Enclosure - SPL-Tune Subwoofer Box Improves Audio Quality, Sound & Bass - Woofer Specific Enclosure Certified - Made in USA : Electronics
BLACK 15" DUAL COMPETITION PORTED SUB BOX "CALL FOR PRICE"
Dual 15" Ported Subwoofer Box Enclosure 3/4" MDF Vented Sub Box RI Aud – Pricedrightsales