If your Optoma CinemaX P2 has no sound, you can check the solutions below to solve the problem.
- Please check the audio type. Some audio types mat not supported. The projector supports AVI, MP4, MOV, MP3, MP4, and other formats. You can check more supported audio types in the user manual.
- Ensure that the “Mute” feature is not turned on. You can adjust the volume on your projector and try again. The “Mute” function affects both internal and external speaker volume.
- Ensure that the “Internal Speaker” feature is turned on.
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