★Built-in 2.4GHz wireless receiver and power amplifier unit, close-range frequency-matching technology and automatically search and lock the wireless microphone signal for ID code matching. No crossover, strong anti-interference ability, more than 1000 wireless receiving channels, warning tone when match-up sucessfully.
★RS-232 serial port to connect with PC, central controller, USB system upgrade function
★5 wired mic inputs, 1 2.4GHz wireless microphone input, 3 audio inputs, 1 pre-audio output, microphone reverberation function, independent control for microphone and audio volume.
★HI-FI four channel all frequency power output,sound feedback extermination,automatic digital noise reduction.
★1090/2090 optional according to client's requirement
★Output power:2×50W-300W
★Power supply:AC 220V±10%/50Hz