Polk Audio CSI A4 Center Channel Speaker (each)
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Polk Audio
In Stock
Our Price: $249.95
Item Description
Full Factory Warranty Is Valid.
Serial Numbers In-Tact.
Factory Sealed Boxes.
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  • Latest generation of Dynamic Balance polymer composite drivers for smooth wide-range response with low distortion

  • 1-inch Silk/Polymer Dome Tweeter delivers smooth response and better detail

  • Magnetic shielding for safe placement near video sources

  • All-MDF construction creates an acoustically inert cabinet

  • Acoustically inert stamped driver baskets

  • Floating anti-diffraction grilles minimize grille diffraction for spacious, 3-dimensional imaging

  • Neodymium magnet,low-viscosity ferro-fluid cooling, and a heat sink on the back of the magnet, create better power handling and reliability

  • Dual, bi-ampable gold-plated 5-way binding postinputs (with wide holes for large-gauge bare wire connections) for the most secure connections and the most versatile wiring applications

  • Butyl rubber surrounds for high performance durability


  • Mid/Woofer

    • 2 - 5-1/4" Diameter (13.34cm)

    • Polymer Composite Dynamic Balance with rubber surround

  • Tweeter

    • 1 - 1" Diameter (2.54cm)

    • Silk Polymer Dome Tweeter

  • Overall Frequency Response: 55Hz-27kHz

  • Lower -3dB Limit: 65 Hz

  • Upper -3dB Limit: 26 kHz

  • Nominal Impedance: 8 ohms

  • Recommended Amplifier Power: 20-180 w/channel

  • Efficiency: 89 dB

  • Inputs: 5-way binding posts

  • Enclosure Type: Vented with dual PowerPort & single Arc Port

Approximate Dimensions:

  • Depth: 8-3/4"

  • Height: 6-7/8"

  • Width: 20"

Approximate Weight:

  • Shipping: 20 lbs

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