POA62-Ex Audio Details Technical Specifications Atex Heavy-Duty HeadsetIntrinsically safe heavy-duty headset, ideal for using in noisy operating environments.Find a dealerHighlightsFunctionsTechnical SpecificationsMicrophone sensitivity -50dB ±4dB @1KHz, impedance 2200Ω @1KHz, speaker sensitivity 80dB ±3dB @1KHz, impedance 2 x 150Ω ±15@ &1KHz, rated power 200mW, maximum power 500mWRelated Products PD792i-Ex