Goodstuff via Amazon offers the Harman Kardon Onyx Studio 2 Bluetooth Wireless Speaker System, model no. TR00236_B, for $119.90 with free shipping. That's $30 under our mention from December and the lowest total price we've seen. (It's the best deal today by $14.) It features 15 watts per channel into two 3" woofers and two 3/4" tweeters, a speakerphone, and rechargeable battery.
A close price: TechRabbit via eBay offers it for $123.99 with free shipping.