2) Alpine Type R 12 Inch 2250 Watt Max 4 Ohm Round Car Audio Subwoofer - Walmart.com
Alpine Type-R SWR-12D4 12” 3000 Watt Dual 4-Ohm Subwoofer With Staggering Power Handing /【Buyee】 Buyee - Japanese Proxy Service | Buy from Japan! bot-online
Alpine S-Series 12" Dual-Voice-Coil 4-ohm Subwoofer Black S-W12D4 - Best Buy