This machine is mainly composed of front-end amplification, noise reduction, and back-end amplification

Applicable microphone: Gooseneck microphone (two 5V channels, one 48V channel)

Wireless microphone implementation function: close range pickup and amplification

Applicable scenarios: Multimedia classrooms, small and medium-sized conference rooms Manufacturing process: Dark gray 1.5U body, external profile panel and steel casing, internal use of imported SMT surface mount technology, wave soldering, IC digital amplifier, ring transformer, symmetrical power supply design; Low noise, low distortion, efficient and stable performance

External settings: There is one power on indicator switch on the front panel, and the rear panel is equipped with four microphone interfaces, RS232 interfaces, three sets of line input interfaces, one set of line output interfaces, and two speaker wiring terminals.