4G Wireless Teaching Special Transceiver System

Functions and characteristics:
1.2 audio inputs (1 RCA input, 1 3.5 stereo input), 2 6.35 microphone inputs, 1 3.5 stereo output;  (Optional: 1 RCA audio input, 1 3.5 jack audio input, 2 6.35 microphone input, support with 6.8V power supply, can receive conference microphone, 1 3.5 jack recording signal output;  )
2. Total volume adjustment, microphone volume adjustment, optional high and low tone adjustment, reverberation adjustment;
3.6.5 inch full-frequency horn (optional 4 inch, 5 inch), imported paper basin, T iron magnetic steel integrated design, strong and magnetic bass, with magnetic steel treble, clear treble, effectively prevent sound howling;  ;
4. Clear medium and high pitch, magnetic, high efficiency and stable work;
5. Wall mounting accessories are standard and easy to install.
6. SMD double-sided circuit board technology, stable performance, suitable for complex environment.
7. The sound box net cover is made of steel and sprayed with environment-friendly oil, which is beautiful and practical.  (Optional Screen Layout Process)
8. Optional 2.4G wireless and U-section wireless transceiver system with stable performance and no interference;  With laser pointer, optional PPT page turning function;
9. Built-in relay soft start circuit to release shutdown impact.
10. Optional USB MP3 playback function;
11. Optional built-in Bluetooth function and wireless flying mouse function;  One-key black screen function;
12. Optional recording function, optional professional voice pressure control function;
13. Optional campus broadcasting function: constant voltage input mode (0-70V/0-100V dual input, automatic switching, real-time campus broadcasting without turning on the speaker);  IP network mode, broadcast strong insertion function.