DailySale offers the Audio Unlimited netCLIPS Clip-On Stereo Speakers for $9.99 with free shipping. That's the lowest total price we could find by $11. These USB-powered speakers can be clipped to a flat-panel monitor or laptop display, or you can use the clip as a table stand. They must be connected to a 3.5mm audio jack.
Note: The countdown timer on the product page does not reflect an actual expiration time and resets daily.