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Polk Audio CSi A4 Centre Speaker
[CSi A4]

Polk Audio CSi A4 Centre Speaker

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 Polk Audio CSi A4 Centre Speaker

The CSiA4 is a high performance center channel speaker for smaller rooms and challenging placement situations. It features two 5 1/4-inch Dynamic Balance® drivers, one 1-inch Dynamic Balance dome tweeter for spot-on imaging, seamless soundstage and natural sounding voices. With the asymmetric cabinet design, you gain the flexibility to placing the CSiA4 above or below the TV and aim it at your position.
CSiA4 Features: 
The proprietary curved, 6-layer DAHLI enclosure design creates the optimal shear damping for a more rigid, acoustically inert enclosure and minimal cabinet resonances. CSiA4 cabinets are designed for clean, accurate sound.
Klippel motor optimization uses laser measurement technology to ensure a smooth excursion path at either end of the volume spectrum for uniform performance at both low and high volumes.
Polk's proprietary, patented Dynamic Balance technology allows our engineers to design out distortion-causing driver and system resonances, so you only hear the good sounds.
Durable, computer-modeled, injection-molded butyl rubber surrounds suppress unwanted cone resonances for a lifetime of reliable sound.
The RTiA Cascade Tapered Crossover eliminates the comb filtering and beaming, common to multi-driver speakers, which degrades the quality of the audio and collapses the soundstage.
Patented Acoustic Resonance Control® (ARC) technology suppresses cabinet resonance that causes distortion to ensure clear and natural sound.
Beautiful curved furniture-grade hardwood veneer cabinet finishes, with sleek trim accents in black or cherry.
Computer-modeled anti-diffraction grilles enhance the good looks while minimizing sonic interference.
All Polk loudspeakers are timbre-matched within their series, designed with the same components throughout, to achieve seamless speaker-to-speaker blending effects in multi-channel systems.
Gold-plated, professional-style 5-way binding posts, for the most secure connection options.
Dimensions - Product Weight (each) 7kgs
Dimensions Cabinet Dimensions - Depth 8 3/4 (22.23cm) "
Dimensions Cabinet Dimensions - Height 6 7/8 (17.46cm) "
Dimensions Cabinet Dimensions - Width 20 (50.80cm) "
Driver Complement Midrange - Diameter 5 1/4 (13.34cm) "
Driver Complement Midrange - Quantity 2
Driver Complement Midrange - Type Dynamic Balance drivers with polymer composite cones and rubber surrounds
Driver Complement Tweeter - Diameter 1 (2.54cm) "
Driver Complement Tweeter - Quantity 1
Driver Complement Tweeter - Type Dynamic Balance silk polymer dome tweeters
Electrical - Efficiency 89 dB
Electrical - Inputs 5-way binding posts
Electrical - Lower -3dB Limit 65 Hz
Electrical - Nominal Impedance 8 ohms
Electrical - Recommended Amplifier Power 20-180 watts per channel
Electrical - Total Frequency Response 55Hz-27kHz
Electrical - Upper -3dB Limit 26 kHz
Finish: Black or Cherry
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