Authorized Dealer For

 BIC Acoustech Home Theater System
 BIC Acoustech Speakers
 BIC Acoustech Subwoofers
 Boston Acoustics Amplifier
 Boston Acoustics Speakers
 Boston Acoustics Subwoofer
 Center Speakers
 Definitive Technology
 ELAC Speakers
 ELAC Subwoofers
 Harman Kardon Accessories
 Harman Kardon Home Theater System
 Harman Kardon Speakers
 Home Receivers
 Home Speakers
 Home Theater Systems
 Honeywell Genesis
 Infinity Speakers
 InWall - InCeiling Speakers
 JBL Home Theater System
 JBL Speakers
 JBL Subwoofers
 Klipsch RP Series
 Klipsch All Weather Speakers
 Klipsch Atmos Systems
 Klipsch Bookshelf Speakers
 Klipsch Center Speakers
 Klipsch Gallery Flat Panel Speakers
 Klipsch Headphones
 Klipsch Heritage Wireless
 Klipsch Home Theater Systems
 Klipsch In Ceiling Speakers
 Klipsch In Wall Speakers
 Klipsch Reference Systems
 Klipsch Reference Systems
 Klipsch RP-150 Systems
 Klipsch RP-160 Systems
 Klipsch RP-250 Systems
 Klipsch RP-260 Systems
 Klipsch RP-280 Systems
 Klipsch Stream Wireless Multi-Room Audio
 Klipsch Subwoofers
 Klipsch Surround Speakers
 Klipsch THX Speakers
 Klipsch Tower Speakers
 Klipsch Wireless Speakers
 Krell Speaker
 M&K Speakers
 Polk Audio
 Polk Audio Signature 3.0 Systems
 Polk Audio Signature 3.1 Systems
 Polk Audio Signature 5.0 Systems
 Polk Audio Signature 5.1 Systems
 Polk Audio Signature 5.2 Systems
 Polk Audio Signature 7.0 Systems
 Polk Audio Signature 7.1 Systems
 Polk Audio Signature 7.2 Systems
 Polk Audio Signature Series Speakers
 Powered Subwoofers
 Pure Link
 Surround Speakers
 Yamaha Store
  Secure Order Form
  Shipping Information
  Privacy Policy
  Return Policy
  Security Guarantee
  Order Status
  Klipsch Press Release
  Warranty Registration
  Customer Comments

My items on eBay

BizRate Customer Certified (GOLD) Site


Polk Audio Center Speakers

We Will Meet Or Beat Any Advertised Price. Click Here For Details.

If you do not see the item you are looking for, fill out our product request form

Polk Audio CSI A4

Model #: Polk Audio CSI A4
UPC #: 747192113094


New Page 1

Sound Distributors Is An On-Line Authorized Polk Audio Dealer.
What This Means!!!

Full Factory Warranty Is Valid.
Serial Numbers In-Tact.
Factory Sealed Boxes.
Free Shipping!

Our Promise To You:
We Will Meet Or Beat Any Advertised Price - Send Us A Link Or Get Us On The Phone, We Will NOT Be Undersold!


  • 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

Reviews of the Polk Audio CSI A4:

Write your own review

BIC Acoustech H-100 Subwoofer
BIC Acoustech PL-28II Center Speaker
Klipsch AW-525 Speakers