Amazon.com: EMB Professional 12" 1200W SB-12 Replacement Speaker for JBL, Peavey, Cerwin Vega, Gemini, EMB, BMB, Pyle-Pro, Mr.DJ & Many Brands! Protects the woofer and speaker in open installations.
Amazon.com: JBL GT-12BP Passive 1200W 12 GT Series 4-Ohm Loaded Ported Bandpass Subwoofer Enclosure with Red LED Illumination with Gravity Magnet Phone Holder Bundle : Electronics
New (JBL 1200w)SUBWOOFER 12 INCH /sealed box for Sale in Norwalk, CA - OfferUp
Best Buy: JBL 12" Dual-Voice-Coil 4-Ohm Subwoofer JBLP1224
Jbl 18SWS1200 Sel 18" 1200w 8ohm Woofer | Beach Audio
JBL Stadium 82SSI 1200W SSI Technology 8" Selectable 2 to 4 ohm Car Subwoofer 818060014062 | eBay