I want to be able to use the DI out of my Subway head to go to the FOH board AND feed my IEM system using a Rolls PM351... In theory, since the Rolls has a built in DI, I should be able to take the DI out of the Subway using an XLR to 1/4 cable to the instrument in on the Rolls, then take the xlr direct out of the Rolls to feed FOH... That should work, right?? If not, other suggestions? A splitter? my other option is to use a Radial ProDI to tap the signal before the amp to FOH, then use DI out of head to feed IEMs. In this equation, I get no Subway goodness in my FOH signal though.