“Wow, that’s loud.” I had just set up the new Sonos Arc Ultra soundbar in our apartment, paired with the recently released Sub 4 subwoofer and two older Sonos:1 speakers. Through the Sonos ...

Alongside the Arc Ultra, Sonos has also introduced the Sub 4, a next-generation subwoofer with deep, distortion-free bass to complement any Sonos setup.

The app forced me to resync every one of my Sonos devices – a setup that spans the Arc Ultra, two Sonos Subs and a pair of Sonos Era 300 speakers.