This Speaker

ZipZoomFly has the Genius SP-S110 100W (P.M.P.O.) 2.0 Black Speaker for $15 - $10 rebate (Expires 3/15) = $10 with free shipping. These budget speakers feature a headphone jack in case you don’t want everyone knowing what you’re listening to.

Product description from ZipZoomFly:

Genius SP-S110 2.0 Basic Speaker System

The new SP-S110 stereo speaker system from Genius looks great with a LCD panel or Notebook PC. The power and volume controls and the headphone jack are on the front panel for easy access. You get a choice of two colors to suit your taste, black or computer white.

Specification
Volume: Yes
Headphone jack: Yes