Harman Audio via eBay offers its Harman Kardon HKTS 9 5.1-Channel Home Theater Speaker System in Black, model no. HKTS 9BQ, for $159.99 with free shipping. That's $440 off list and the lowest total price we could find, although we saw it for $10 less a month ago. It features a frequency response of 45Hz to 20kHz, 200-watt powered subwoofer, five wall-mount brackets, and color-coded speaker cables.