The Pearl Vocal uses VD21 true electrostatic single diaphragm cardioid capsule, providing full audio spectrum. Capsule is internally shock-mounted. Dual mesh head plus internal cone-shape pop filter effectively protects diaphragm from plosive sounds of vocals and speech. Effectively protects diaphragm from plosive sounds. The microphone is designed for handheld or stage stand use on supplied holder. It can be mounted on optional external studio shock mounts for additional protection from external subsonic interference. Optional Reflection Ring adds warmth, reduces feedback and protects against wrong handheld use of microphone.