When we refer to the "Slingbox Classic" what we are talking about is the original Slingbox. We use this name to clearly differentiate this Slingbox from the Slingbox PRO, Slingbox AV and Slingbox TUNER.

You have a Slingbox Classic if your Slingbox looks like the one below:

You can connect one standard definition source (via either composite or s-video) and your basic analog cable using the built in tuner.