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Polk Audio CSI A4 Center Channel Speaker (Single Cherry)
A single center channel speaker timbre-matched to fit any Polk Audio home theater or multi-channel music system
Two 525-inch dynamic balanced drives with polymer composite cones
One 1-inch silk composite dome tweeter
Features a neodynium magnet low viscosity ferro-fluid cooling and a heat sink on the back of the magnet
All MDF construction and extensive asymmetric cabinet bracing ensure resonance-free enclosures