Sonos includes an optical adapter for older TVs, but the soundbar is designed to work best with HDMI and ARC (Audio Return Channel) functionality to transmit audio from your TV to the Arc.

The Sonos Arc Ultra is designed to deliver premium sound quality. While it can connect to TVs using HDMI eARC, HDMI ARC, or optical audio outputs, each option affects the audio performance ...

The original Sonos Arc was one of the best Dolby Atmos soundbars on the market for years. Purchase it today while it’s still discounted to $600.

The Sonos Arc Ultra ... the rear where you get one HDMI port (ARC but without passthrough) and an Ethernet port. There’s no USB or Aux-In. Nor is there a Toslink optical port, though you can ...