SM10A1 Audio Details Technical Specifications Table Microphone with Large PTTTable microphone with large PTT and lockable monitor key enabling convenient and efficient operationFind a dealerHighlightsFunctionsTechnical SpecificationsSpeaker sensitivity 88dB ±2dB @ 600,700,800,900Hz Average, impedance 8Ω ±15% @500Hz, rated power 15W, maximum power 20W, operating temperature -30°C to +70°CRelated Products HM786 HM782 Mobile Radio HR1062 DMR Repeater HM626