JBL BassPro Go Powered subwoofer (100-watt RMS amplifier) and built-in portable Bluetooth® speaker at Crutchfield
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: American Bass VFL-12D1 VFL COMP Signature 12-inch Subwoofer Woofer 5000 Watt RMS & 10000 Watt Max Dual Voice Coil 1 Ohm Voice Coils Black : Electronics
NEW JBL 165 Watts CLUB 5000C 5-1/4" 2-Way Car Component Speaker System 5.25" 50036328432 | eBay