EWN08 Audio Details Technical Specifications Induction Surveillance Earpiece SetVOX supported induction surveillance earpiece set; includes brooch and beige wireless earpiece ideal for covert communications with the brooch worn underneath clothes for concealing purposes. Consists of EWN11 and POA42.Find a dealerHighlightsFunctionsTechnical SpecificationsEWN11Microphone sensitivity -32dB ±3dB @1KHz, PTT cycles >10,000, impedance 2.2KΩPOA42Earpiece sensitivity 92dB ±3dB @1KHz, operating time 80h, operating temperature -10°C to +40°CRelated Products PD602i X1ei PD682i PD662i