Harman Kardon 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 tied with our mention from two weeks as the lowest total price we've seen. It features a frequency response of 45Hz to 20kHz, 200-watt powered subwoofer, five wall-mount brackets, and color-coded speaker cables.