VMS4 DJ Eqpt. & Airport Security?

I am planning on brining a VMS4 DJ unit (a USB controller/mixer). It is platted steel, which means that it will show up as a huge white block on x-ray machines at the airport. I am traveling pretty far, Chicago to Bangkok, so I will go through security more than once. I thought it would be a bad idea to put it into a suitecase, being at risk they will crack open the suite case to see what the huge metalic box is on their x-rays. Will have have any problems if I carry it on hand? (Using a baffle bag). The last thing I want is for security to tell me I can't bring it on board, something which costs $500 (thats cheap for a DJ analog/digital mixer btw)