NeweggFlash offers the factory-refurbished Harman Kardon Onyx Studio 2 Bluetooth Wireless Speaker System in Black or White for $79.99 with free shipping. That's tied with our expired refurb mention from two days ago, $89 under a new one, and the lowest total price we've seen. It features 15 watts per channel into two 3" woofers and two 3/4" tweeters, a speakerphone, and rechargeable battery. A 30-day Harman Kardon warranty is included. Deal ends December 6.