BNK B1 is a super-cardioid lead vocal stage microphone specially designed to pder pressure while exhibiting a naturally smooth response. Made for the working musician. Excellent sound results guaranteed, day to day, 365 days a year. First choice for rental companies. Metal construction: Rugged and reliable Shock-mounted capsule: Low sensitivity to impact and handling noise Supercardioid pickup pattern: Insulation from other on-stage signals Hum compensating coil: Reduces electrical interference Neodymium ferrous magnet with boron: Keeps microphone stable regardless of climate