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Polk Audio Center Speakers

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Polk Csi-A4 High Performance Center Channel Speaker

Model #: Polk Csi-A4 High Performance Center Channel Speaker


The High Performance Heart of Home Theater
The CSiA4 is a high performance center channel speaker for smaller rooms and challenging placement situations. It features two 5 1/4-inch Dynamic Balanceฎ 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 Controlฎ (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.

• Total Pieces : 1
• Cabinet Warranty : 5 years
• Drivers Warranty : 5 years
• Carton 1 : 18 lbs (8.16 kg)
• Total Pieces : 1
• Availability : US
• Orientation : Horizontal
• Height with Base : 6.875" (17.46 cm)
• Width with Base : 20" (50.8 cm)
• Depth with Base : 8.75" (22.23 cm)
• Weight : 15.5 lbs (7.03 kg)
• Mid-High Array Driver Complement :
• (2) 5.25" (13.34 cm) d (Round) Midrange - Midrange
• (1) 1" (2.54 cm) d (Round) Tweeter - Tweeter
• Total Frequency Response : 55 Hz → 27 kHz
• Sensitivity (1 watt @ 1 meter) : 89 dB
• Lower and Upper -3dB Limits : 65 Hz → 26 kHz
• Recommended Amplifier Power Per Channel : 20 watts → 180 watts
• Speaker Inputs : (1) 5-way Binding Posts - Gold- Plated

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