GRAS - Model 40AO-FV 1/2 - Prepolarized Pressure Microphone, Front Vented - Datasheet
The broad working range and reliability has made 40AO-FV the preferred prepolarized microphone for coupler and ear simulator setups and is the natural supplement or replacement of existing solutions. It is used for production line testing in coupler setups for test of hearing aids, earphones, headphones, and headsets. The KEMAR Manikin can also be ...