well, I can't really tell... but the spec says.. It does have 3.5mm somewhere.
"Specification Summary
* Diagonal: 24 inches
* Panel Technology: AMVA TFT
* Backlight: CCFL
* Native Resolution: 1,920 x 1,200
* Contrast Ratio: 1,000:1 / 2,000:1 (dynamic)
* Brightness: 500 cd/m²
* Pixel Response: 6ms (grey-to-grey), 16ms (black-to-white)
* Viewing Angles: 178/178 degrees H/V
* Inputs: DVI-D (with HDCP), 2x HDMI, D-Sub, Component, Composite, S-video, 3.5mm audio, 2x phono (L+R)
* Outputs: Optical S/PDIF, 3.5mm audio, 3.5mm headphone
* Chassis Adjust: Height, Tilt, Swivel
* Extras: IR Remote (with 2x AAA batteries), 2x 5W surround sound speakers, Picture-in-Picture functionality
* Warranty: Three years (parts and labour), including backlight"