Schoeps MK 22G Colette Series Open Cardioid Microphone CapsuleThe years of experience which many recording engineers have had with the various types of SCHOEPS cardioid microphones have played a large role in the design process. The MK 4 cardioid is often relied upon as a reference microphone, even in difficult recording situations; its sonic transparency and outstanding suppression of rear incident sound make it a universal problem solver. The MK 21 wide cardioid offers an alternative when its lower directivity