When it comes to high-quality microphones, this Samson R21 set has a lot of offer. Its solid design allows for high-quality performances as well as reliability. This makes them fit for mobile use. The three microphones come in a firm transport case.This R-21 dynamic microphone has a special microphone cartridge with a high output. This cartridge is mounted in a shock-proof suspension in order to limit noise caused by movement. It has been designed to take on high sound pressures.The R 21 does not suffer a lot of acoustic feedback, thanks to the neat, direction-sensitive cardioid recording pattern. The R21s are lightweight so they can be used for a longer period of time without the artist experiencing any discomfort.