I do not know if you are talking about the ones that DJ has put together to click right onto the new EZ-B. If you are just looking for the regulators, they cost about a buck each. Just Google them. Radio Shack sells them, but I think that they are a few dollars more than getting them from an electronics website.

Here is a good video that explains how to wire them up.

Im talking about the ones DJ made to plug into the ports.

He's talking about the one for the sensors.