A4C offers the refurbished Harman Kardon Aura Bluetooth Speaker System in Black for $125 with free shipping. That's $25 under our refurb mention from three weeks ago and the lowest total price we've seen. (It's also $75 below the best price we could find for a new one.) This omni-directional system features a 50Hz to 20kHz frequency response, six 1.5" high- and mid-range drivers, and a 4.5" subwoofer.
A 90-day A4C warranty applies.