Details:
Yituo two built-in reverberation wireless microphones, exclusive initiative
Technical parameters
Does the audio response: VHF220 ~ 280 MHZ
Does frequency modulation way: FM
Does frequency stability: plus or minus 0.005%
Does the maximum deviation: + 25 KHZ
Does the audio response: 40 hz ~ 20 KHZ plus or minus 3 db
Does signal-to-noise ratio: > 90 db
Does the sensitivity: in deviation degree is equal to 25 KHZ,
Input 6 db mu V, S/N > 60 db
Does distortion: < 0.5% @ 400 hz
Does dynamic range: > 80 db
Does receive channel: 2 way
Does the work temperature: - 10 ℃ to 50 ℃
Does receiver power supply: AC220V / 50 to 60 hz
Does the hand show (clip) battery: 3 v / 9 v (optional)
Does the effective use distance: 80 m (depending on the environmental change)