Polk TSx250c 3-way High Performance Center Channel Loudspeaker The TSx250c enclosure is angled for bottom mounting, with a slanted panel that automatically tilts the speaker directly toward your listening position. The result is more realistic center channel response and a solidly anchored soundstage for your high performance home theater system. Like all TSx Series loudspeakers, the high efficiency design of the TSx250c works well with practically any electronics, even the most modestly-powered amplifier or receiver, delivering a performance that’s spacious and clear, natural and realistic. Stiff and durable Dynamic Balance composite driver cones deliver smooth, natural sound. Silk/polymer dome tweeters anchor the action with clear and detailed highs, even at high volumes. The high efficiency design of the TSx Series works well with practically any electronics. TSx loudspeakers are timbre-matched within their series for seamless speaker-to-speaker blending. Rear-firing tuned port smooths low frequency blending, for surprisingly full-bodied deep bass. Aimable High performance center channel speaker features a 5/8 inch-thick baffle. Technical Specifications 1 - 1” (2.54 cm) silk/polymer Dynamic Balance dome tweeter2 - 6 1/2” (16.51cm) Dynamic Balance bi-laminate cone mid-wooferTotal Frequency Response - 48Hz-25kHzUpper -3dB limit - 24 kHzLower -3dB limit - 58 HzNominal Impedance - 8 OhmsEfficiency - 91 dBRecommended Amplifier Power - 20-150 Watts per channelGold-plated 5-way binding postsDimensions - 8” (20.32cm) H X 22” (55.88cm) W X 9” (22.86cm) D