JL Audio 12W0v3-4 with JD250/1 Bass Package - 12" W0 Subwoofer with 250 Watt Monoblock Amplifier - Creative Audio
ASW 250 Subwoofer
5 CORE 15 inch Subwoofer Replacement PRO DJ Speaker Sub Woofer Loudspeaker Wide Full Range Loud 250 Watts RMS (2200W PMPO) 90oz Magnet 15-185 MS 250W - Walmart.com
Alpine W12S4 12" 250 Watt RMS 4-Ohm Car Subwoofer Sub+Portable Bluetooth Speaker - Rockville Audio