Compare Polk Audio Speaker Deals

Amazon offers the Polk Audio PSW505 300-watt 12" Powered Subwoofer in Black, model no. PSW505B, for $179.99 with free shipping. (newegg charges the same.) That's $10 under our December mention and the lowest total price we could find by $50. It features a frequency response of 23Hz to 160Hz, automatic on/off switch, magnetic shielding, adjustable crossover, phase switch, volume control, and more.