Massive Audio SUMMO 64 XL 300 W 6.5" Dual 4 Ohm DVC Car Audio Subwoofer 6-1/2" 623169611322 | eBay
Amazon.com: Massive Audio M6C - 6.5 Inch, 280 Watt, Pro Audio Midrange Closed Back Speaker for Cars, Stage and DJ Applications. Sold Individually. : Electronics