Best Buy offers the Polk Audio 100-watt 10" Powered Subwoofer
in Black, model no. PSW110, for $124.99
with free shipping
. That's tied with our mention from a few days ago and the lowest total price we could find by $57. It features a 100-watt RMS (200-watt peak) amplifier, 10" driver, adjustable 60Hz to 160Hz low-pass crossover, and frequency response of 32Hz to 250Hz.