Epson EH-TW6700W User Manual page 61

Useful Functions
Connection example 2: Viewing without an AV amplifier (audio is output from the HDMI Out port)
Audio is output from the sound bar and so on connected to the HDMI Out port. In this situation, you can even
output audio from AV amplifiers or sound bars that do not support HDCP 2.2.
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When connecting a device, such as a sound bar, to the HDMI Out port on the WirelessHD
Transmitter, check that Audio Out Device is set to WiHD Transmitter (HDMI).
Link - Audio Out Device p.89
60
Settings - HDMI
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