POA61-Ex Audio Details Technical Specifications Atex Throat Microphone HeadsetIntrinsically safe Atex throat microphone headset.Find a dealerHighlightsFunctionsTechnical SpecificationsMicrophone sensitivity -45dB @1KHz, impedance 3900Ω @1KHz, speaker sensitivity 55dB @1KHz, impedance800Ω ±15% @1KHz, rated power 200mW, maximum power 500mWRelated Products PD792i-Ex