JBL Stadium 600 High-Performance Class D 1500 Watt Peak Power Car Audio Mono Amplifier, JBL Club 1224 12" 1100W Max Power Car Audio Subwoofer (2 or 4 Ohms) with Amplifier Wiring Kit - Road Entertainment
Amazon.com: JBL Club WS1200 - 12” Shallow mount subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm : Electronics
JBL A1500HI 1500W 12" Car Subwoofer Unboxing Review Video - YouTube
JBL A1500HI 1500W 12" Subwoofer Unboxing Review | JBL Me Sasta Or Punching Bass Wala Subwoofer|Hindi - YouTube