Today only, Musician's Friend offers the M-Audio X-Session Pro USB MIDI DJ Mixer Controller for $88. Add it to your cart and the price drops to $39. With free shipping, that's the lowest total price we could find by $11. It includes Torq LE and Enigma software for Windows and Mac and features four MIDI sliders, 12 MIDI knobs, 10 MIDI buttons, USB connectivity, and more.