ECN21-P Audio Details Technical Specifications UL913 Noise-Cancelling Headset with PTT and boom microphoneUL913 Noise-Cancelling Headset with PTT and boom microphoneFind a dealerHighlightsFunctionsTechnical SpecificationsMicrophone sensitivity -51dB ±3dB @1KHz, impedance 2.2KΩ, PTT cycles speaker ≥100000, speaker sensitivity 90dB ±4dB @1KHz, impedance 2 x 8Ω ±15% @1KHz, rated power 1W, maximum power 1.5WRelated Products HP782 UL913 Intrinsically Safe Two-Way Radio HP702 UL913 Intrinsically Safe Two-Way Radio