200-watts offer the power you want in a centre channel speaker 89dB sensitivity, along with 4- and 8- Ohm impedance compatibility, ensures lifelike sound from your existing amp or AV receiver, including the latest Dolby Atmos and DTS:X surround sound AVRs Dynamically-balanced acoustic array with a 1" tweeter and two 5.25" dynamically-balanced woofers project incredible acoustics from a realistic soundstage Timbre-matched Polk components offer consistent acoustics and pair effortlessly with the MXT20 bookshelf pair, MXT60 tower pair, MXT90 height module, and a MXT12 sub Online support ensures seamless streaming from Apple Music, Amazon Music HD, Spotify, and other music services Compact design fits easily on a bookshelf or speaker stand for versatile placement options Required accessories (sold separately) Speaker wire (make sure to measure the room so you'll know how much wire to get)