"Microphones come off stage and get dropped into these tins. The metal of the tins immediately blocks the wireless signal and it drops off of the receiver, despite the microphones still being on. We were told they go through thousands of batteries for the wireless packsяrunning through bricks of 2400 batteries at a time. They change out batteries constantly."






























































![Devon Eisenbarger [Katy Perry] Rig Rundown](https://www.premierguitar.com/media-library/youtube.jpg?id=61774583&width=1245&height=700&quality=70&coordinates=0%2C0%2C0%2C0)













Zach loves his Sovtek Mig 60 head, which he plays through a cab he built himself at a pipe-organ shop in Denver. Every glue joint is lined with thin leather for maximum air tightness, and it’s stocked with Celestion G12M Greenback speakers.


































