Amazon.com: Massive Audio SUMMOXL154-15 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 15" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
2) JBL Pro PRX825W Dual 15” 3000w 2-Way Powered Speakers w/ WIFI + Mobile App | eBay
Amazon.com: (2) JBL Pro PRX825W Dual 15 3000w 2-Way Powered Speakers w/ WIFI + Mobile App : Musical Instruments
Kicker DL7S122 12 Inch Double Passive Car Subwoofer Peak Power: 3000W RMS: 1500W
2) JBL Pro PRX825W Dual 15” 3000w 2-Way Powered Speakers w/ WIFI + Mobile App | eBay
JBL Grand Touring Series GTO1204D 12" subwoofer with dual 4-ohm voice coils at Crutchfield