Harman Kardon offers its Harman Kardon 5.1-Channel Home Theater Speaker System in Black, model no. HKTS 5BK, for $349.95. Coupon code "179HKTS5" cuts it to $179. With free shipping, that's $171 off list, tied with our mention from last month, and the lowest price we could find. It features four 2-way satellite speakers with dome tweeters, one 60-watt, down-firing subwoofer, and one voice-matched, dual-driver center speaker. Coupon expires April 26.