How Chris Rubey from The Devil Wears Prada sets his amp?

In "The Devil Wears Prada," Chris Rubey is not a character, but rather the name of a sound engineer associated with the film's production. As such, there are no specific references or scenes detailing how he sets his amp. The film primarily focuses on the fashion industry and the dynamics between characters like Andy Sachs and Miranda Priestly, rather than technical aspects of sound engineering. If you meant a different context or character, please clarify!