MidnightBox offers the used Logitech Z906 500-watt 5.1-Channel Surround Sound Speaker System, model no. 980-000467, for $199.95 plus $3.99 for shipping. That's $46 under our July mention of a new unit and the lowest total price we've seen. (It's also $96 under the cost of a new unit, although most vendors charge $330 or more.) It features 500 watts RMS of total system power, four satellite speakers, side-firing subwoofer, center speaker, and wireless remote. Deal ends October 16.

A 30-day MidnightBox applies. This unit may have blemishes or scratches.