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Polk Audio TSi 400 FloorStanding Speaker (Pair) Plus A Polk Audio CS10 Center Channel Speaker

bass-reflex ported design frequency response 44-24000 Hz -3dB
handles 20-200 watts 8-ohm impedance sensitivity 91 dB
1 Dynamic Balance silk dome tweeter three 5-14 polycarbonate woofers
woodgrain finish with piano black top plate