Planet Audio 12 in. 1800-Watt Subwoofers plus Vented Lined Box Enclosure plus Amp plus Wire 2 x AC12D + QBOMB12V + AC15001M + AKS8 - The Home Depot
1800 Watt Active 12"Subwoofer Bass box Car Audio Built in Amplifier Easy install | eBay
BOSS Elite - BDVC12 - 12' Subwoofer - 1800 W - Dual Voice Coil - 4 Ohm - SINGLE | eBay
Blastking BLAST18PRO 18" 1800 Watts Professional Transducer
Planet Audio 1800-Watt Subwoofer plus Boss 1500-Watt Amplifier with Amp Kit plus Q-Power Enclosure AC12D + AR1500M + AKS8 + QSBASS12-VENTED - The Home Depot