Meritline offers the refurbished Logitech Z205 USB 2.0 Notebook Speaker System (pictured), model no. 984-000108, for $18.99. Coupon code "MLCKG27DNL1" cuts it to $13.99. With free shipping, that's tied with our mention of a refurbished unit from last fall and $6 under the best price we could find for a refurb today. This speaker clips to the top of your laptop's screen. Coupon expires September 28.

A 90-day warranty applies, although it's unclear who supports it.