12" Subwoofer Dual 2 Ohm 800 Watts Max Power MTX Audio Thunder 55 Seri – Robidoux Inc
22 Inch Subwoofers - Best Buy
Amazon.com: Pair of Gravity 15 Inches Car Audio Subwoofer 3200 Watts Peak Power (1600x2) RMS Power 80 Watts Each with Dual Voice Configuration 4 Ohm Power (2 Woofers) : Electronics