Klipsch HD Theater 500 5.1-Channel Home Theater Speaker System for $249.99 shipped after promo code EMCYTZT1609.  Here is a screenshot for your reference. It features features 112dB sensitivity, 100 watts amplifier power, and includes one center speaker with 36Hz to 200Hz frequency response, powered subwoofer and 4 satellite speakers with 150Hz to 20kHz frequency response.