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MC-668 UHF True Diversity uhf wireless dynamic microphone

Features:
1. One-for-two true diversity receiver circuit design wireless microphone;
2, the signal is more stable, the use of distance: more than 100 meters, open space of about 100-150 meters;
3. UHF band transmission signal, carrier frequency range: 500-980MHz;
4. Dual-channel receiving signals, controlled by microcomputer CPU;
5. The stable PLL digital phase-locked loop synthesis technology is adopted, and the overall performance stability is significantly improved;
6. Each channel is equipped with a unique ID number to enhance the anti-interference function and support the use of 8 stacked machines (ie 8 receivers and 16 channel transmitters);
7, built-in high-efficiency noise suppression line, anti-howling function is remarkable;
8. There are 4 rubber receiving antennas on the back of the receiver to enhance the received signal, and the appearance is generous and decent;
9. There are 2 balanced outputs and 1 mixed unbalanced output on the back, suitable for connecting various external devices;
10. It is no longer limited to one transmission can only be paired with a single channel, and the same transmission can be used for interoperability in 200 channels of two channels, showing the high-tech design of humanity
11. Use 1.5V battery (2 pcs) No. 5 rechargeable lithium battery to supply power for 6 hours of continuous use (standard with 4 rechargeable batteries and a four-charger);
12. Both the host and the transmitter are equipped with an LCD screen to display the working status and other contents;
13. It is suitable for various conferences, lectures, teaching, outdoor performance and other language sound reinforcement places.
Technical Parameters:
Model | MC-778 | MC-668 |
Receiver | ||
Chassis specifications | standard 1U chassis | |
Number of channel groups | dual channels | |
Carrier frequency band | UHF 620-820MHz | UHF 500MHz ~ 980MHz |
Modulation mode | FM | |
Oscillation mode | PLL phase-locked loop frequency synthesis technology, infrared frequency comparison | |
Sensitivity | When the offset is equal to 25KHz, when input 6dBuV, S / N> 60dB | 1.2 / UV @ S / N = 12dB |
FM maximum modulation frequency deviation | ± 45KHz | |
Bandwidth | 24MHz | |
Comprehensive S / N ratio | > 100dB | |
Comprehensive T.H.D. | ‹0.5% @ 1KHz | |
Comprehensive frequency response | 50Hz-18KHz ± 3dB | |
Maximum output voltage | balanced: -20dBV / 100Ω, unbalanced: -4dBV / 5KΩ | |
Distortion | <0.5%@1KHz | |
Dynamic range | > 105dB | |
Output interface | XLR balanced and unbalanced sockets | balanced output 0 ~ 600mV, unbalanced output 0 ~ 300mV |
Power supply | 0.5A 12-15VDC | |
Receiver size(L × W × H) | 490 * 180 * 42mm | 480 * 180 * 40mm |
Transmitter | ||
Carrier frequency band | UHF 620-820MHz | UHF 500MHz ~ 980MHz |
Oscillation mode | PLL phase-locked loop frequency synthesis technology, infrared frequency comparison | |
Microphone sensitivity | -43 ± 3dB @ 1KH | |
Transmit power | high power range 10dBm, low power range 5dBm | |
| Power output | 30mW | 10mW |
Frequency response | 50Hz--18KHz | 40Hz ~ 18KHz |
Maximum input sound pressure | 130dB SPL | |
| Sound head | dynamic coil type | moving coil |
| Maximum modulation degree | ± 45KHz | |
| Polarity mode | single directionality | |
| Current consumption | <110mA | 100mA |
| Power supply | 3V (1.5V AA * 2) | |




A. Installation for stage speaker:
1). Installing by the user: we will test and install the machine before shipment, all necessary spare parts, operation manual are provided to guide the installation.
2).Installing by Jusbe engineers:
(1) We can send our engineer to assist the installation and provide technical support and train your workers. The end-user should provide accommodation and round-trip ticket for our engineer.
B. Warranty:
1) 12 months warranty after delivery.
2) Professional after-sales department to provide 24*7 hours technical support, all complaints should be replied within 24 hours.
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