1/2" (13,2 mm) microphone adapter

The advantage of the OPS microphone protection system is the range of measurement microphones that can be installed. Doesn’t matter if it is an iSEMcon EMX-7150 or EMM-7101 or third party micro-phone having an acoustic frontend in the range ¼” to ½” (7mm…13,2mm)
 

The OPS35 can deal with many microphone sizes and protect it to the max while using the right size
microphone adapter. While the OPS-35 Kit is coming with one (1) adapter included you

Datasheet	sample calibration file (freefield)
sample calibration sheet	sample calibration sheet