Dynamic cardioid vocal microphone with on/off switch. Especially constructed for professional vocalists to use whether for live performances or studio recording. It reduces unwanted background noise with its cardioid pickup patterns. While the MA-59S also got the same inclusions except the microphone itself has an on and off switch. On the other hand, the MA-59PAK3 is a set of 3 MA-59 that includes clips and a carrying case.