SM09D2 Audio Details Technical Specifications External SpeakerExternal speaker with clear voice output and 16.4 ft (5m) cableFind 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 MD612i MD622i MD652i DMR Mobile Radio MD782i