Sonos has just unveiled its first AI-powered sound processing feature, in the form of new AI Speech Enhancement options for the Sonos Arc Ultra available as a free update from May 13th, 2025 – and to learn how it came together I visited Sonos' UK audio development center.
First, a recap on the feature. There are now four levels of dialogue boosting to choose from, and it works in a totally different way to Sonos' previous dialogue enhancement options, by separating the speech from the rest of the soundtrack and carefully adjusting it while better maintaining the dynamic range and immersive Dolby Atmos effects that make the Arc Ultra one of the best soundbars. I've heard it in action, and really keeps the punch of the bass and detail in effects while still enhancing speech.
