Polk Audio CSI-A4 High-Performance Center Channel Loudspeaker - Black

Center Channel Speakers easily carry more than 50% of info delivered in multi-channel sources. The CSI-A4 has an aimable cabinet to give you placement flexibility and finer Sound tailoring for your high performance Home Theater system. The CSI-A4 incorporates the latest Dynamic Balance Cone Drivers and 1" tweeters for smooth wide-range response with low distortion. 1" Silk Polymer Dome Tweeter delivers smooth response and better detail Magnetic Shielding for safe placement near Video sources All-MDF construction creates an acoustically inert cabinet Acoustically inert stamped driver baskets Floating anti-diffraction grilles minimize grille diffraction for spacious, 3-dimensional imaging Neodymium magnet, low-viscosity ferro-fluid cooling and a heat sink on the back of the magnet to create better Power handling and reliability Dual, bi-ampable Gold-plated 5-way binding post inputs with wide holdes for large-gauge bare wire connections for the most secure connections and the most versatile wiring applications Butyl rubber surrounds for high performance durability 5-1/4" Diameter (13.34cm) Polymer Composite Dynamic Balance with rubber surround Midrange 1" Diameter (2.54cm) Silk Polymer Dome Tweeter Overall Frequency Response: 55Hz-27kHz Lower -3dB Limit: 65Hz Upper -3dB Limit: 55Hz Recommended Amplifier Power: 20-200 with channel Efficiency 89dB Inputs: 5-way binding posts Enclosure Type: Vented with dual PowerPort & single Arc Port Dimensions: Height 6-7/8" x Width 20" x Depth 8-3/4" (17.46x50.80x22.23cm)