Connecting to External Speakers or an A/V Receiver Using HDMI ARC

If your external speakers or A/V receiver are HDMI ARC-compatible, you can connect them to the projector's port using an optional HDMI cable.
Note:
  1. Connect the HDMI cable to the ARC-compatible HDMI port on your external speakers or A/V receiver.
  2. Connect the other end to the HDMI (ARC) port on the projector.