ST-9770 Drilling Technology KTV Wireless Microphone

characteristic: 1. With advanced digital ID pilot function, completely eliminate interference and frequency hopping 2. Adopt 23-level electronic volume control, simple and convenient to use 3. The sound quality is clear and bright, and the ideal use distance is 50 meters 4. 200 selectable frequency points with strong anti-interference ability 5. The receiver is equipped with a display of the amount of transmitting battery, which is universal for both hands and microphones 6. Equipped with a feedback howling suppression attenuation function, which can effectively reduce feedback howling 7. Suitable for large and small stages, conference halls, KTV rooms, etc

Category：

UHF wireless microphone

Service hotline:

0750-7779797

Online message

Detailed introduction

System indicators:
Frequency range: 500-900MHz
Modulation method: 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 indicators:
Antenna program: The mounted transmitter uses a 1/4 wavelength whip antenna and a handheld microphone
Built-in antenna
Output power: 20mW
Spurious suppression: - 60dB
Power supply: two AA batteries
Usage time: about 8-10 hours

Key words:

ST-9770