As one of its daily deals, Amazon offers the Logitech Z906 500-watt 5.1-Channel Surround Sound Speaker System, model no. 980-000467, for $249.99 with free shipping. That's the lowest total price we could find by $41. It features 500 watts RMS of total system power, four satellite speakers, side-firing subwoofer, center speaker, and wireless remote. Deal ends today.