ST-9870 Dual microphone true diversity wireless microphone

characteristic: 1. True diversity reception technology is adopted, and the maximum use distance of space is 300 meters 2. It has advanced digital ID pilot function to completely eliminate interference and channeling. 3. It has the function of one-key automatic search of idle frequency points and one-key lock button 4. The receiver is equipped with a display of the amount of transmitting battery, which is universal for the hands 5. Built-in capacitive cardioid fluffy microphone core can effectively reduce hand noise 6. It is equipped with the back howling suppression function, which can effectively reduce the back howling 7. Applicable to large and small stages, conference halls, etc

Category：

Performance wireless microphone

Service hotline:

0750-7779797

Online message

Detailed introduction

System indicators:
Frequency range: 500-900MHz
Modulation mode: broadband FM
Adjustable range: 50MHz
Number of channels: 200
Channel interval: 200KHz
Frequency stability: within ± 0.005%
Dynamic range:>105dB
Maximum frequency deviation: ± 45KHz
Audio response: 40Hz-18KHz (± 3dB)
Comprehensive signal-to-noise ratio:>110dB
Comprehensive distortion: ≤ 0.2%
Working temperature: - 25 ℃ -+40 ℃
Receiver index:

Receiver mode: secondary conversion superheterodyne
Input power: 5W
IF frequency: first IF: 110MHz, second IF 10.7MHz
Wireless interface: BNC/50 Ω
Sensitivity: 12 dB μ V (80dBS/N)
Sensitivity adjustment range: 10-32dB μ V
Spurious suppression: ≥ 95dB
Maximum output level:+10 dBV

Transmitter index:
Antenna program: 1/4 wavelength whip antenna and handheld microphone are used for the mounted transmitter
Built-in antenna
Output power: 20mW
Spurious suppression: - 60dB
Power supply: two AA batteries
Usage time: about 8-10 hours

Key words:

microphone