STARAUDIO 2CH VHF Wireless Stage Church Home Party Karaoke Dynamic Handheld Microphone System Mic SMV-2003A Description: Channel Frequency:220~270MHz Frequency stability:±0.002% Sensitivity:-95dB(S/N:12Db) S/N ratio:>70dB RF Image Rejection:-75dB Neighboring channel/interference:>70dB Audio Dynamic range:95dB Frequency response:50HZ-15KHz±3dB T.H.D:<1% Operating range:>50Db Power source:AC 120V\50Hz Microphone(Transmitter) Camier Frequency:220-270MHz Frequencyt stability: ±0.002% RF Power output:>13dBm Harmonic at higher degree:<60Db Modulation degree:>30KHz Modulation pattern:FM Power current:<25mA Battery type:DC 9v.
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