BOSS Audio Systems AR100DVC 10 Inch Car Wired Subwoofer - 1400 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually (Black) : Amazon.in: Electronics
FW1-254 Formula 10 Inch 4 Ohm DVC Subwoofer | MB Quart
The LOUDEST pair of 10 inch subwoofers on Youtube!!! - YouTube