The Sonos company specializing in audio, recently presented the next bar to be added to its arsenal.
This is the Ray, a small bar stuck in optics only (not in HDMI-Arc).

As for the arc and the beam, the Ray can be coupled with two small Sonos One boxes as a rear surround speaker.

Sonos Arc review: The Playbar upgrade we’ve been waiting for
Pre-orders are now open via the Sonos.com official website for $ 350 CAD.
They will be available in stores from June 7.