Peavey Pvi 100 - 2-Pack Dynamic Cardiod Microphones The 2-pack of PVi 100 Dynamic Cardioid Microphone from Peavey includes 2 PVi 100 microphones. These dynamic microphones feature a cardioid polar pattern and a Neodymium magnet. They have a zinc die-cast body for durability and an on/off switch for performer control. Excellent for stand-mount vocal application. Steady tone coloration and delicate high-frequency range. Legendary Peavey reliability