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About the CSi A4
The Polk Audio CSi A4 is a midsize center channel speaker featuring two 5.25-inch Dynamic Balance polymer composite cone woofers with rubber surrounds and a 1-inch Dynamic Balance silk/polymer dome tweeter, in a video-shielded bass-reflex enclosure with Polk's Acoustic Resonance Control porting to minimize cabinet resonances. The cabinet is built from acoustically inert MDF with real wood veneer finish, and the asymmetric reversible design allows flexible placement above or below a TV. Rated performance: total frequency response 55 Hz to 27,000 Hz (-3 dB: 65 Hz to 26,000 Hz), 89 dB sensitivity, 8-ohm nominal impedance, and 20 to 180 watts recommended. Dimensions: approximately 20 W x 6.875 H x 8.75 D inches, 15.5 lbs.
Specifications
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