newegg offers the Energy 10" 200-watt Powered Subwoofer, model no. S10.3, for $199.99 with free shipping. That's tied with our March mention and the lowest total price we could find by $70. This subwoofer features a 21Hz to 120Hz frequency response, 200-watt RMS (800-watt peak) amplifier, 10" hybrid woofer, and variable low pass filter.