Pioneer TS-WX1210A - Sealed 12" 1,300-Watt Active Subwoofer with Built-in Amp - Walmart.com
Combo: HIPPOXL122 Subwoofer with E4 Nano Edge Bass Amplifier
JBL STADIUM122SSI 12” High Performance 1350 Watts Peak Power Selectable Impedance Car Audio Subwoofer Bundle Combo with Class D 1500 Watts Peak Power Car Audio Mono Amplifier and Amp Wiring Kit - Road Entertainment
Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics
Amazon.com: Skar Audio Single 12" Complete 2,500 Watt EVL Series Subwoofer Bass Package - Includes Loaded Enclosure with Amplifier : Electronics
Kicker 48TRTP82 Comp RT 8 Inch Sub and Amp Combo with Box: TRTP82-SK