The Sonos In-ceiling architectural speakers by Sonance for ambient listening. Enjoy crystal-clear sound and comfortable listening from anywhere in the room with Sonos In-Ceiling by Sonance. Power these wired speakers with Amp for the full Sonos experience, including custom Trueplay tuning. The specially-designed round, or optional square, grilles can be painted to match your ceiling. These speakers are a great pairing for the Sonos Amp.