Receiver Features:
									1. New concept of anti-electromagnetic 
									interference circuit design to eliminate 
									electromagnetic interference from mobile 
									phones and other electronic products
									2. HD 256*64COG display, The menu is clear 
									and easy to operate
									3. With the 2*4 channel receiving design, 8 
									wireless microphones can be connected;
									4. Built-in 2*20 sets of preset frequency 
									modules, PLL phase-locked loop circuit 
									design, pure automatic selective signal 
									receiving mode
									5. One key to modify the four channel 
									frequency group, four channels to modify the 
									frequency group at the same time, and also 
									support manual modification of the frequency 
									of each channel to facilitate debugging and 
									installation;
									6. The design of shuttle knob with light 
									ring, together with LCD, shows volume, 
									module, frequency, AF / RF signal strength 
									and setting operation;
									7. With electronic volume control, the 
									volume gain of each channel can be adjusted 
									from 0dB to 20dB through the front shuttle 
									knob;
									8. Infrared data automatic synchronization 
									function (SYNC): 2*4 independent infrared 
									frequency-matching buttons, one-key 
									automatic frequency-matching, eliminating 
									all complicated operations;
									9. Use UHF530-670MHz frequency band carrier;
									10. It is equipped with 8 BNC antennas as 
									standard, and also can be equipped with 
									external extended anti-interference antenna, 
									which can bypass the shielding of metal 
									cabinet for wireless signal, and the 
									effective working distance is 60m (visible 
									distance);
									11. Cooperate with the antenna distribution 
									system to achieve full coverage of wireless 
									signals at the venue;
									12. The 2U standard cabinet design with 
									metal shell is easy to install.
									Conference unit Features:
									1. Patent appearance design, high-end and 
									solemn.
									2. Speech switch button with translucent 
									speech pattern, always on when speaking
									3. With a 1.3-inch high-brightness full-view 
									OLED display, the display content is clear, 
									and it can display the microphone frequency, 
									battery level and operating status
									4. With electronic volume function, can 
									individually adjust the microphone speaking 
									volume
									5. The microphone is designed according to 
									the principle of acoustic space, and with 
									the new anti-howling anti-single-point 
									high-sensitivity condenser microphone core, 
									the conference sound quality can be realized 
									with high fidelity.
									6. New concept of anti-electromagnetic 
									interference circuit design to eliminate 
									electromagnetic interference from mobile 
									phones and other electronic products
									7. Operation distance up to 100 meters with 
									the best condition, 60 meters in normal 
									condition.
									Ultra-low power circuit design, continuous 
									speaking time is not less than 8 hours, 
									standby time is not less than 12 hours. Can 
									use original rechargeable lithium battery or 
									ordinary AA battery