**[Newegg (via eBay)](http://www.passwird.com/links/m6jzR4)** has the Polk Audio PSW Series PSW505 12″ Powered Subwoofer for **$159.99** with free shipping. Features: High current 300 Watt Continuous (460 Watt Dynamic) power amplifier. Big 12 inch Long Throw Driver for longer excursion and better linearity.

Review: [Secrets of Home Theater](http://www.passwird.com/links/pXEK2C)