How do I select the SPDIF audio output to connect to my audio amplifier? KB Chat January 07, 2019 16:49 Updated Follow Please follow the instructions below: Go to 'Settings'. Sounds. Then Select Audio_SPDIF. Related articles Firmware upgrade I can't install some apps; it gives an error "Device is rooted". Software - Video Converter (KBA03026) Comments 0 comments Please sign in to leave a comment.