Sonos has returned to the premium headphone market with its second-generation Ace Ultra, a product that carries the weight of a first attempt that did not land as hoped. Released alongside an expanded four-model soundbar lineup that now includes Dolby Atmos capability, the launch represents a company in deliberate refinement — sharpening its identity in a crowded, unforgiving segment of consumer electronics. Early reviewers, including one who carried the headphones across 11,000 miles of travel, suggest that Sonos may have found the differentiation it was searching for.