H-77A 200 Channel UHF Wireless Microphone
◆ New energy saving mode, automatic EQ control, tone correction and IR frequency sync function
◆ Using a high frequency SAW filter to maximally filter out interfering signals
◆ Build-in audio compression expander circuit greatly improves SNR
◆ Unique audio compressor design effectively eliminates whistle
◆ Frequency synchronization between any receivers and microphones in the system is realized
System Specification:
| Workding Frequency | UHF 740MHz~789.75MHz UHF 610MHz~659.75MHz |
| Modulation | FM |
| Frequency Channel | 200 |
| Switching Bandwidth | 250KHz |
| Dynamic Range | >100dB |
| S/N Ratio | >105dB |
| T.H.D. | ≤0.5% |
| Frequency stability | ±0.005% |
| Max Deviation | 45KHz |
| Frequency Response | 80Hz-18KHz(±3) |
Receiver Parameter:
| Receiving Mode | DPPL |
| Medium Frequency | 110MHz, 107MHz |
| Antenna Connection | BNC/50Ω |
| Sensitivity | 12dBuV |
| Sensitivity Adjustment Range | 12~32dBuV |
| Noise Rejection | >75dB |
| Max Output Level | +10dBV |
Transmitter Parameter:
| Antenna | Build-in |
| RF Output | <10mW |
| Noise Rejection | -60dB |
| Transmission Range | 100m |
| Power Supply | 2pcs AA batteries |
| Battery Life | 10 hours in normal power; 12 hours in low power |
