SM11R1 Audio Details Technical Specifications Handheld Microphone with Aluminium Front PanelIP54 compliant handheld microphone with aluminium front case, providing high quality and reliable communication in challenging environments.Find a dealerHighlightsFunctionsAccessories for SM11R1 Included as standard with SM11R1Systems that work with SM11R1Technical SpecificationsMicrophone sensitivity -45dB ±3dB @1KHz, impedance ≤ 2.2KΩ, operating temperature -30°C to +65°CRelated Products TM-610