Monoprice via eBay offers the Monoprice Premium 5.1-Channel Home Theater Speaker System, model no. 10565, for $179.99 with free shipping. That's $468 off list and the lowest total price we could find, although we saw it for $16 less last month. The four satellite and the single center speakers each use a 3" mid-range driver and a 3/4" dome tweeter while the powered subwoofer features an 8" down-firing speaker and 200-watt amplifier.