MPA231 with outdoor protection kit Class 2 (IEC61672).
ABC has its programa a highly reliable and affordable outdoor noise measurement microphone in its range. The OM-231 has a half inch. Class 1 outside measuring microphone and the OM-416 is a quarter inch. Class 2 outside measuring microphone. The OM-231 is a 1/2 inch prepolarized booty condenser measurement microphone. This microphone is suitable for outdoor use on rainy days or in environments with high or low temperatures. The OM-231 microphone voldoent IEC 61672 Class 1 specifications and is known for its stability. It is the economical choice for permanent outdoor measurements such as noise monitoring at events, industrial eater canals.