can play sound through the projector's speaker system if your video
source has audio output ports (PowerLite Pro
Note: If your
projector does not have an internal speaker system (PowerLite
Pro G6870/G6970WU), you can play sound by connecting
external speakers to the projector.
If you are projecting video using the Computer or BNC
ports, connect the projector to the video source using an optional
stereo 3.5 mm mini-jack audio cable.
If you are projecting video using the Video or S-Video port, connect the projector to
the video source using an RCA audio cable.
Note: If you
connected your video source to the projector using an HDMI cable,
the audio signal is transferred with the video signal; you do not
need an additional cable for sound. If you connected to the
projector's SDI port (PowerLite Pro
G6900WU), audio output is not supported.