I’ve long been a big proponent of In-Ear Monitors—IEMs—and really think that, for me, the evolution of this technology has been an amazing windfall. Not everyone likes ’em. And it’s understandable why, as, like with most things in life, there are tradeoffs and someone who is accustomed to playing with wedge monitors will doubtlessly experience growing pains when making the switch. But I’ve always been a big proponent of IEMs. I first started using them before I knew that they …