Sonos Optical Audio Adapter Setup. Sonos HDMI ARC to Optical Adaptor Melbourne Hi Fi The Sonos Optical Audio Adapter is a worthwhile investment for anyone who wants to improve their home audio setup Edit: Sorry I perhaps may have mis-read your post - you 'might' also need to add an optical female to female adapter into the mix too, depending on your current setup (just place the Sonos adapter at the 'other' end of the embedded optical cable & linked to your Sonos Amp)… see this link too:
Set up your Sonos ConnectAmp Sonos from support.sonos.com
Ensure your Sonos device and the device with the optical audio output are powered off Remove the optical adapter from the HDMI cable connected to the Beam
Set up your Sonos ConnectAmp Sonos
Enable CEC on your TV and run TV Setup under the Beam's settings in the Sonos app Enable CEC on your TV and run TV Setup under the Beam's settings in the Sonos app The adapter provides a seamless audio experience, and it's easy to set up and use
Sonos Optical Audio Adapter Optical digital audio to HDMI adapter. Connect one end of the optical audio cable to the optical audio output of the device My guess is that this adapter takes optical and converts the signal to digital then sticks it on a couple of pins
Digital Optical Cable Adapter Sonos Community. Ensure your Sonos device and the device with the optical audio output are powered off Remove the protective cap from the optical adapter, then attach the optical adapter to the HDMI cable