Airstar Professional Wireless Microphone

Frequency response: 100Hz-10000Hz(+-3dB) Audio distorcion: less tahn 1% Dynamic Range: 80dB S/N Rotio: better the 80dB Operating temperature: 0oC-45oC Services area: 10m underial condition Type of emition: FM Rf output power: 75KHz Battery: 9V storey battery Type recpetion: FM Reception mode: >25mV Reception sesitivity: 600W (unbalanced) Power: 30dB/v