https://www.dsppatech.com/product/ec-200-paging-microphone.html Features ● Easy to use, suitable for different requirement ● Support terminal plug & play function ● Output impedance is 200Ω ● The Range of Frequency is 50~12000Hz Introduction EC200 is a 50~12000Hz Paging Microphone. Easy to use, suitable for different requirement. Output impedance is 200Ω. Support terminal plug & play function. For more information about desktop pa microphone and paging mic, please feel free to contact us! Guangzhou dsppa audio co ltd is a professional audio manufacturer since1988. With more than 30 years' history of designing and manufacturing audio products, DSPPA has enjoyed a high reputation in and out of China.