MB Quart DS1-304 Subwoofer 2-Pack with 2-Way Speakers 2-Pack and AKS8 Wiring Kit
MB Quart PWH304 30 cm (12") Subwoofe | eBay
Amazon.com: MB Quart DS1-304 Discus Shallow Mount Subwoofer (Black) – 12 Inch Subwoofer, 600 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics
MB Quart ONX2544 ONYX Series 10" 800 Watt Peak 400 Watt RMS Car Subwoofer Sub - Walmart.com
MB Quart Reference 12" Dual-Voice-Coil 4-Ohm Mobile Subwoofer Black RW1-304 - Best Buy