Best Polk Audio CS400i Center Channel Speaker

Product Name: Best Polk Audio CS400i Center Channel Speaker
From the softest whisper to the loudest explosion, Polk's premier center channel speaker definitely hits the mark. The CS400i houses two 6-1/2" Dynamic Balance® drivers and Polk's 1" trilaminate dome tweeter. Power Port technology supplies full, clean bass, and Polk's ARC technology squelches sound-muddying cabinet resonance. The CS400i includes two sets of binding post connectors for biamping or biwiring, and mates well with Polk's RT2000i, RT1000i, RT800i, RT600i, and RT55i. Details: video-shielded frequency best response 50-25,000 Hz (-3dB) 8-ohm impedance sensitivity 91 dB handles up to 250 watts 5-way binding post connectors (2 sets) black vinyl finish 18-3/4"W x 8-11/16"H x 13-3/4"D.