Speco Technologies Is Proud To Offer The Most Versatile Speaker In The Market: One Speaker Available With 10 Mounting Styles. Choose From Classic Round Modern Round Classic Square 1'x2' & 2'x2' Classic Ceiling Tile Speakersall Available With A Volume Control Knob. These New Designs Are Matched With The Same Highperformance Sound Quality As Our Legacy Models For The Same Economical Price.