We're comparing two high-quality, Atmos-capable systems — the Sony Theater Quad and Sonos Arc Ultra with Sub 4 and Era 300 speakers — to see which comes out on top.

Sony’s BRAVIA Theatre Quad ($2,499) is a self-contained powered wireless speaker system which connects to a TV and provides a vastly upgraded immersive surround sound experience for movies, TV shows ...

This year, Sony has taken a significant ... and an HDMI 2.1 out port supporting ARC/eARC. There is also an S-Center out ...