Logitech offers its "dented box" Logitech Z305 USB 2.0 Notebook Speaker System, model no. 984-000138, for $59.99. Coupon code "logi_z305_121611" drops it to $29.99. With free shipping, that's tied with our October mention and the lowest total price we could find by $5. This speaker clips to the top of your laptop's screen.

Of note, this is a dented box item; while the packaging may be dented or scratched, the product itself is new with a full Logitech warranty.