Does the TITAN support connecting to an AV amplifier via OPTICAL?

Yes. The TITAN projector is equipped with an OPTICAL port that can be used to connect to an AV amplifier. 1. Use a TOSLINK optical cable to connect the projector’s OPTICAL port to the AV amplifier’s OPTICAL port. 2. Press the “Setting button" on the remote control to open the system settings, then select “Sound” → “Sound output.” Make sure the output is set to Optical Fiber audio output. The Audio output format supports three options: PCM / Passthrough / Auto. 3. In the AV amplifier’s settings, make sure it is configured to receive audio via OPTICAL input. Note: The TITAN’s OPTICAL port is a standard square-type TOSLINK optical audio interface.