10
Chapter Four - Main Technical Parameter
Working power: DC19V ≥4.72A
（
≥90W
）
Maximum power: 90W
Wireless microphone range: ≥15m (open environment)
Power amplifier and speaker power: amplifier power: 2*25W, speaker power: 2*15W
Intelligent central control audio in channel: 3 channels, including front and rear USB audio, and
rear 3.5mm audio in
Intelligent central control audio out channel: 2 channels, including rear 3.5mm AUX mixed audio
and power amplifier audio out
Intelligent central control video in channel: 3 channels, including front HDMI in, rear HDMI in,
rear VGA in
Intelligent central control video out channel: 2 channels, including rear HDMI out, rear VGA out
Projector control port: RS232 1 channel
Intelligent central control USB port: rear 3 channels, front 3 channels
Working temperature: 0℃
～
+40℃
Working humidity: 20%
～
80%
