newegg offers the Polk Audio 12" 100-watt Powered Subwoofer
in Black, model no. PSW121, for $149.95. This $50 mail-in rebate
cuts it to $99.95
. With free shipping
, that's $42 under our August mention and the lowest total price we've seen. (It's a current low by $100.) This 12" subwoofer features 100 watts of dynamic power. Rebate expires December 5.