Includes two speakers 50W power provides ample output volume with clear and detailed sound Powered by Onkyo for top-notch sound quality Dolby Atmos technology significantly elevates your audio experience through enhanced immersion and spatial accuracy 1/4-20 threaded insert facilitates convenient wall mounting for immersive audio Klipsch Transport technology lets you easily connect the speaker across multiple channels Required accessories (sold separately) Speaker wire (make sure to measure the room so you'll know how much wire to get