There’s a bit of an art and craft to the world of wireless microphones. So many people can’t tell the difference between a Shure SM57, a Shure SE535 or a Sennheiser MD421 – and that makes it hard for me to point out the differences. The SM57 is probably the standard for “good” wireless microphones. The SE535 is good at recording, but not so good at producing clean audio on stage. The MD421 is great at producing really clean audio with a high dynamic range, but not so good at anything else (an...