After years of rumors, Sonos has now entered the headphones market Ars TechnicaThe Sonos Ace headphones are here, and they’re damn impressive The VergeSonos releases Ace headphones with cinema-sound party trick The GuardianSonos Ace Headphones Hands-On: Swanky Design, AirPods Max-Like Price CNETSonos Unveils $449 Ace Headphones in Bid to Expand Beyond Speakers Bloomberg