Description
Features:
Professional performance-level true diversity long-distance receiving microphone, receiving 200 meters of continuous frequency, specially designed for school broadcasts and large-scale performances; U-segment reception, performance is fully improved; four antennas, ultra-long-distance reception stability; free frequency modulation to prevent cross-frequency occurrence, Effectively avoid the occurrence of frequency collision; intelligent internal intelligence chip, high-quality sound quality, enhanced signal strength, cardioid pickup, better vocal performance; built-in anti-howling, no howling will occur during normal operation. The host can support the lock screen function. All-metal handheld, drop-proof and scratch-resistant, which enhances the service life of the microphone; the microphone with a display screen can clearly see the real-time working status; the professional performance microphone core is used to restore high-fidelity and high-intensity vocals.
System indicators:
Frequency range | 640MHZ-690MHZ |
Frequency stability | ±10ppm |
Dynamic range | 100dB(A) |
Comprehensive signal-to-noise ratio | ≥103dB |
Comprehensive frequency response range | 40HZ-18KHZ (3dB) |
Comprehensive distortion | ≤0.3% |
Number of channels | 2x100 |
Channel spacing | 250KHZ |
Operating distance | about 100 - 150 meters (open working environment) |
Receiving sensitivity | -103dBm --- -90dBm |
Receiving antenna interface | BNC (50Ω) |
Receive audio output | balanced output and mixed output |
Receiver power supply | 8V1500mA |
Transmission modulation mode | FM modulation (maximum ±75KHZ) |
Transmitting power | ≤20mW |
Emission harmonic suppression | 60dB |
Transmitting antenna | built-in or external 1/4 wavelength antenna |
Transmitter power supply | 2 x 1.5V (AA) batteries (continuity time 4-10 hours |
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