EBN09 Audio Details Technical Specifications Bone Conduction Headset with large PTT button (POA60)Bone conduction headset with large PTT button (POA60), IP55 rated.Find a dealerHighlightsFunctionsTechnical SpecificationsMicrophone sensitivity -45dB @1KHz, speaker sensitivity 82dB ±3dB @1KHz, impedance 32Ω ±15% @1KHz, rated power 200mW, maximum power 500mW, operating temperature -20°C to +85°CRelated Products PD702i UL913 PT580H PLUS S PD702i PD982