4x1 HDMI Switch w/ARC & 4-Optical inputsWorks great with a SONOS Sound
HDMI Switch-UHD41-ARC – Video Over IP and HDMI Video Connectivity Solutions.
Help Connecting Beam to TV w/ no ARC or Optical | Sonos Community
Adi-2 Pro - switch from/back spdif coaxial in to spdif optical in (Page 1) — ADI-2 Pro & ADI-2 DAC — RME User Forum
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4X1 HDMI Switcher w/ Toslink & Digital Coaxial Port
Correct setup for HDMI switch box | Sonos Community
What Are The Best Optical Cables For Sonos? | LivingSpeaker
Digital Optical Cable Adapter | Sonos Community
Next level Sonos from Wyred4Sound's modded Connect | Darko.Audio
HDMI ARC and Optical audio input Sonos arc | Sonos Community
Buy 4x1 Digital Optical Audio Switcher SPDIF Toslink Switch Box with Optical Cable at affordable prices — free shipping, real reviews with photos — Joom
Amazon.com: 3 Port Toslink Switch, Portta 3x1 SPDIF Optical Digital Audio Switch Box with IR Remote Control for Apple TV, PS4, Xbox, Blu-ray Player, Sound Bar, Receiver, Speakers, DVD, Amplifier : Everything
The best Sonos accessories 2017 | Stuff
Best Buy: Flexson 3-Input HDMI Switcher and Audio Converter for Sonos PLAYBAR Black FLXHDX31021
Would the following work? | Sonos Community
J-Tech Digital SPDIF TOSLINK Audio 4x2 Matrix - J-Tech Digital