This machine integrates functions such as front-end amplification, feedback suppression, network echo processing, teaching recording, noise reduction processing, AGC automatic gain, wireless microphone reception, and power amplification.

Applicable microphones: Ceiling mounted microphones (48V) Gooseneck microphone (48V), wireless microphone (adaptive, automatic selection).

Implementation functions: indoor sound reinforcement, network remote interactive sound reinforcement, sound recording.

Applicable scenarios: multimedia classrooms, recording classrooms, interactive classrooms, smart classrooms, conference rooms, and small lecture halls.

Manufacturing process: The exterior adopts profile panels and steel casings, while the interior adopts imported SMT surface mount technology and wave soldering IC digital power amplifier, ring transformer, symmetrical power supply design; Low noise, low distortion, using a combination of manual and software debugging, intuitive and simple, automatic parameter memory, efficient and stable performance.

External settings: There is a USB interface, running indicator light, display screen, auxiliary debugging knob, and power switch on the front; The rear panel has microphone input interface, one key mute interface, line output and input interface, auxiliary debugging knob, R S232 interface, wireless microphone antenna interface, speaker wiring terminal and network interface (reserved)