If there is no sound or the volume is too low or high, try the following solutions:
Adjust the projector's volume settings.
Press the A/V Mute button on the remote control to resume video and audio if they were temporarily stopped.
Check your computer or video source to make sure the volume is turned up and the audio output is set for the correct source.
Check the audio cable connections between the projector and your video source.
Make sure any connected audio cables are labeled "No Resistance".
If you are using the USB Display function, turn on the Output audio from the projector setting in the Epson USB Display Settings program on your computer.
Select the correct audio input in the A/V Settings setting in the projector's Extended menu.
If you want to use a connected audio source when the projector is off, set the Standby Mode option to Communication On in the projector's ECO menu and make sure the A/V Settings options are set correctly in the Extended menu.
If you do not hear sound from an HDMI source, set the connected device to PCM output.
When you are connecting the projector to a Mac using an HDMI cable, make sure your Mac supports audio through the HDMI port. If not, you need to connect an audio cable.
If the volume for the computer is set to the minimum while the projector is set to the maximum, the noise may be mixed. Turn up the computer's volume and turn down the projector's volume. (When you use Epson iProjection (Windows/Mac) or USB Display.)
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