Polk Audio CSI A4 Center Channel Speaker (Single, Black)
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<b>[Product Information]</b><br>
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<li>A single center channel speaker timbre-matched to fit any Polk Audio home theater or multi-channel music system</li>
<li>Two 5.25-inch dynamic balanced drives with polymer composite cones</li>
<li>One 1-inch silk composite dome tweeter</li>
<li>Features a neodynium magnet, low viscosity ferro-fluid cooling, and a heat sink on the back of the magnet</li>
<li>All MDF construction and extensive asymmetric cabinet bracing ensure resonance-free enclosures</li>
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