The Sennheiser MK8 is an extremely high-quality studio double-diaphragm condenser microphone; the salient features of the Sennheiser MK8 are the selectable polar pattern (omnidirectional, wide cardioid, cardioid, super-cardioid, figure-8), 3-position low cut filter, 1-inch membranes plated in 24 carat gold, anti-vibration support for the capsule, metal frame and 20 Hz - 20 kHz frequency response.