![PS4 Pro outputting PCM via LG CX shows Multichannel PCM 7.1 for Sonos Arc, but rear surrounds have no audio | Sonos Community PS4 Pro outputting PCM via LG CX shows Multichannel PCM 7.1 for Sonos Arc, but rear surrounds have no audio | Sonos Community](https://uploads-eu-west-1.insided.com/sonos-en/attachment/e038a581-7cf7-4f83-b3f9-7051faa147ed.jpg)
PS4 Pro outputting PCM via LG CX shows Multichannel PCM 7.1 for Sonos Arc, but rear surrounds have no audio | Sonos Community
![Amazon.com: Xtrempro Coaxial to Toslink Digital Audio Converter, Support Pcm & Bitstream Signals, for Home Theater, Computer Musical - Black (65039) : Electronics Amazon.com: Xtrempro Coaxial to Toslink Digital Audio Converter, Support Pcm & Bitstream Signals, for Home Theater, Computer Musical - Black (65039) : Electronics](https://images-na.ssl-images-amazon.com/images/I/51+WzS3mJhL._AC_UL600_SR600,600_.jpg)
Amazon.com: Xtrempro Coaxial to Toslink Digital Audio Converter, Support Pcm & Bitstream Signals, for Home Theater, Computer Musical - Black (65039) : Electronics
![Considerable lag on a Sonos Beam when going from PCM to Dolby Digital on a 2017 Samsung TV and an Apple TV as the source. I tried both HDMI and optical adaptor. Considerable lag on a Sonos Beam when going from PCM to Dolby Digital on a 2017 Samsung TV and an Apple TV as the source. I tried both HDMI and optical adaptor.](https://external-preview.redd.it/Cx7Vmtf08gPPVQBItIexGGOW0NneZrSGAxlVg-k-sgI.png?format=pjpg&auto=webp&s=2323aaed3bf54a0c3f80b3f937f4ba123d06cd1a)