EHN26 Audio Details Technical Specifications C-style Earpiece with In-line PTT and Microphone (Black)C-style earpiece with in-line PTT and microphone to be used with handheld radios in PD6 and X1 series.Find a dealerHighlightsFunctionsTechnical SpecificationsMicrophone sensitivity -42dB ± 3dB @1KHz, speaker sensitivity 84dB ± 4dB @1KHz, impedance 32Ω ± 15% @1KHz, operating temperature -20°C to +60°CRelated Products HP782 Two-Way Radio HP702 Two-Way Radio HP682 Two-Way Radio HP602 Two-Way Radio