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Polk Audio CSI A4 Center Channel Speaker (Single, Bla... |
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Polk Audio CSI A4 Center Channel Speaker (Single, Black) |
| Product DescriptionCenter 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. 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) |
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