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Polk Audio CSi-A4 Centre Channel Speaker

Polk Audio
Availability:

Out of stock


  • The proprietary curved 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.

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 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.

  • 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.
Weight 7800 g
Dimensions 580 × 295 × 250 mm
Brand

Color

Black, Cherry

Driver Complements 2 – 5 1/4″ (13.3cm) Polymer Composite Dynamic Balance with rubber surround, 1 – 1″ (2.5cm) Silk Polymer Dome Tweeter
Frequency Response: Overall / -3dB Limits 55Hz – 27kHz / 65Hz – 26kHz
Impedance compatible with 8 Ohm outputs
Recommended Amplification 20 – 180 Watts/channel
Efficiency 89dB
Magnetically Shielded Yes
Available Finish black oak or cherry veneer
Cabinet Dimensions 6 7/8″ H x 20″ W x 8 3/4″ D
17.46cm H x 50.80cm W x 22.23cm D
Features vented with dual PowerPort and single ARC Port

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