Amazon.com: Cerwin Vega VPAS10V2 10" 550W Max / 200W RMS Low Profile Active Powered Subwoofer with Built in Amplifier Module for Working with All Vehicles : Electronics
KICKER CompC 8 Inch Dual 4 Ohm SVC 200W RMS Power Car Audio Black Subwoofer - Walmart.com
6 Inch Bluetooth 200w 4 Ohm Car Audio Active Subwoofer 12v 220v Hifi Home Auto Van Loudspeaker With Wooden Cabinet Box - Speakers - AliExpress
Amazon.com: Cerwin-Vega VPAS10 10" 2Ω 550W Max / 200W RMS Powered Active Subwoofer Enclosure + Bass Knob : Electronics
1pc 6.5-inch High-power Bass Speaker 200w 4 Ohm Car Audio Long-stroke Subwoofer Magnetic Auto Hifi Diy Assembly Woofer Red - Speakers - AliExpress