It is designed with dual 0.75" aluminum dome tweeters which provide crisp high frequencies and a 4.5" fiberglass woofer with a ribbed elliptical surround for deep bass. It offers an RMS power handling of up to 150 watts and a frequency response of 69Hz to 20kHz. The CR-10 utilizes advanced sound engineering to ensure that the entire frequency range is uniform in sound and is of an even pattern. It also provides low distortion and resonance for improved clarity and features a Soundfield management system which allows the user to adjust the speaker to the room. The speaker has gold plated binding posts, magnetic shielding, and is available in a black ash finish.