More from Amazon.com : http://www.amazon.com/gp/product/B00603S1WA?tag=thefatkidin06-20 <br /> <br />JBL GTO1214D 12-Inch Die Cast Dual Voice Coil Subwoofer <br /> <br />Polypropylene woofer cone is both strong and lightweight <br />Proprietary die-cast frame allows optimum alignment of the motor structure to ensure low distortion even at high output levels and excursion limits <br />Dual 4-ohm voice coils allows for optimum system matching and performance <br />Vented pole pieces adds additional cooling to the motor structure which increases power handling <br />Rubber surround provides an optimal blend of elasticity and internal damping for the proper amount of control and stability at excursion limits
