Much like the musicians themselves, the job of every FOH engineer is to deliver an unforgettable live gig experience. It never hurts to develop a repertoire of great engineering habits, so here are 5 cardinal rules every FOH engineer should practice and preach. Control the bass You’ve got to remember though that very few genres require earth shattering sub-sonic frequencies! It’s a common pitfall for engineers to go overboard and swamp their mixes with .