Question: what is the difference between shure beta 87a and 87c?
Answer: The primary difference is the pick-up pattern. The BETA 87A is a supercardioid; the BETA 87C is a cardioid. The 87C was introduced for performers using in-ear monitors. ... If you use floor monitors, the BETA 87A may be a better choice as it will often provide a bit more gain before feedback than the BETA 87C.