enhance the sound from your presentation, you can connect the
projector to external self-powered speakers. You can control the
volume using the projector's remote control.
Note: You can also
connect the projector to an amplifier with speakers.
If you want to output audio from the external speakers when the
projector is turned off, you need to select Communication On for the Standby Mode setting and Always On for the A/V
Output setting in the projector's menu system. You
cannot play audio from the USB-B and
LAN ports while the projector is
projector's built-in speaker system is disabled when you connect