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Wireless Conference microphone
MC781

MC781 multi-functional conference mixer

Product serial number
MC781 is an 8+8 channel smart conference mixer controlled by micro-processor and automatically switched.
MC781
Product description
Parameters
MC781 is an 8+8 channel smart conference mixer controlled by micro-processor and automatically switched. Its birth offers brand-new application solutions from small-scaled to international conferences and from portable to mobile conferencing applications. 
MC781 smart conference mixer is conveniently used for multimedia teaching and conference sound amplification with actual requirements of project application taken into account in design. It is completed with 8 Cannon balanced microphone and 8 Phoenix wire balanced microphone or line input channels, including 48V phantom power supply for condenser microphones and one unbalanced auxiliary line input to connect the external auxiliary audio equipment. Gain of each input channel is tuned separately with built-in limiter and any microphone channel is set as chairman priority channel based on applications. When the chairman channel speaks, output levels of other microphone channels will be attenuated automatically. For each input channel is built with one threshold level control circuit inside, proper threshold control value is adjusted based on needed. The channel with signal input is enabled only, namely, during the entire conference, the conference participants operate speech microphone on/off and chairman priority control without manual adjustment.  
Built-in NOMA function is available for MC781 smart conference mixer, total output level is adjusted in accordance with channel number of input signals, namely, when multiple microphones are speaking simultaneously, total system output level remains constant, the system output level of the system will not be increased due to superposition of input level and the probability of “sound feedback” will be lowered effectively. It is rare in the conventional sound amplification. With such a function, under normal sound amplification functions after system commissioning, unnecessary whistling trouble is prevented with change of number of microphones, more outstanding and practical in the environment of smaller spaces and more microphones. 
MC781 smart mixer is used in medium and small-sized conference rooms, lecture halls, VIP reception halls and conference centers to manage so many microphones and simplify system operation. The smart envoy ensuring easy, efficient and worry-free operation of the conference brings us with human-centered experience with science and technology. 

Performance characteristics: 
8 Cannon balanced inputs, using signals from microphone or line level (with adjustable EQ) 
8 phoenix connector balanced input, using signals from microphone or line level (with adjustable EQ) 
2 channels of 6.35 input (with adjustable EQ) 
2 channels of dual-track music input (with adjustable EQ) 
Each channel of input completed with 48V phantom power supply 
Each channel of input completed with standalone gain and volume control 
Each channel of input completed with adjustable gateway attenuation level 
Each microphone channel completed with compression limiting function 
Each microphone channel is independently switched to priority presetting mode. 
The sound track with signal input only is automatically enabled, the sound gateway action level is adjusted automatically and operation is easy. 
The unique feedback inhibition function is used to adjust input gain and total output gain, in particular to automatic level adjustment based on occupation of sound tracks and effective prevention of whistling 
Connected to 15 sets of K781 and management of conferencing system with up to 120 microphones 
Microphones of various grades and characteristics are configured based on actual situations, easy connection and flexible operation 

Specifications and parameters: 
Input impedance: MIC 4300Ω, AUX 50KΩ
Output impedance (balanced): MIC 15KΩ, LINE220Ω
Output impedance (unbalanced): 1KΩ
Pre-out impedance: 3.3KΩ
Maximum input level: MIC -18dBV, AUX6dBV
Maximum output level (balanced): MIC -18dBV, LINE 21.5dBV
Standard input level: MIC -28dBV unbalanced AUX 2.5dBV
Standard output level (balanced): MIC-25dBV LINE 0dBV
Pre-out level: -4.4dBV
Maximum gain: 62dB
Frequency response: 20Hz-20KHz
Inherent noise: -85dB
THD+N: ≤0.5%
SINAD: 75dB
Phantom power supply: +48V
Control output voltage: +5V
Power voltage: AC 220V
Consumption power: 25W
Dimensions (W3D3H): 482×179×90mm
Weight: 3.2Kg
 
 
MC781 Multifunctional Conference Mixer Dimensions
 
MC781多功能会议混音器面板功能展示图
 
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Contact Us

Contact person: Miss. Liang
Tel:86-139 2909 6789
Email:michelle@mcmyk.com
Add:No.2, zone F, private capital and foreign capital development zone, Enping  City, Guangdong Province
WhatsApp:+8613929096789
Q Q:1512779682
Service hotline:86-750-7371838
Fax:86-750-7371839

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