3 Dynamic Cardioid Vocal and Instrument Microphones (Set of 3) Few things are more essential to recording or live performance than dynamic microphones. Ask any sound engineer and they will tell you to keep as many as possible on hand. Behringer has bundled a set of 3 great-sounding XM1800S dynamic microphones into one impact-resistant case, with stand adapters and mic clips so you’ll be ready to capture your sound in brilliant resolution.