can play sound through the projector's speaker system if your video
source has audio output ports (Pro
. Just connect an
optional stereo mini-jack audio cable as described here.
Note: If your
projector does not have an internal speaker system (Pro L1405U/L1500U/L1505U), you can play sound by
connecting external speakers to the projector.
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 your video source to the projector's SDI port (Pro
L1405U/L1500U/L1505U), audio output is not