POLK AUDIO CSi A4 5.25" 2-Way Center Channel Speaker Black
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POLK AUDIO CSi A4 5.25" 2-Way Center Channel Speaker Black

POLK AUDIO CSi A4 5.25" 2-Way Center Channel Speaker Black


Item #: POLKCSIA4BLK
Availability: IN STOCK, ships out in 1-2 Business Days.
$149.99 EA
$119.99 EA
20% off msrp

Item Condition:
Polk Audio Factory Refurbished
Manufacturers Warranty:
2 Year Polk Audio
Manufacturers Part #:
CSi A4
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Description

Description

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.

*Sold exclusively within the US only. No shipments allowed outside the US!

Key Features

  • 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.
  • 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

Specifications

Specifications

Center Channel

  • Height

    6.875" (17.46 cm)

  • Width

    20" (50.8 cm)

  • Depth

    8.75" (22.23 cm)

  • Weight

    15.5 lbs (7.03 kg)

  • Front Array Driver Complement

    • (2)  5.25" (13.34 cm) d (Round) Dynamic Balance drivers with polymer composite cones and rubber surrounds - Midrange

    • (1)  1" (2.54 cm) d (Round) Dynamic Balance silk polymer dome - Tweeter

Audio Quality

  • Total Frequency Response

    55 Hz → 27 Hz

  • Nominal Impedance

    8 ohms

  • Sensitivity (1 watt @ 1 meter)

    89 dB

  • Lower and Upper -3dB Limits

    65 Hz → 26 Hz

External Amplifier

  • Recommended Amplifier Power Per Channel

    20 watts → 180 watts

Inputs

  • Speaker Inputs

    (1) Pair of 5-way Binding Posts - Gold-Plated

Item Condition

Item Condition

Polk Audio Factory Refurbished

Factory refurbished products are returned (or open box returned) product that have been refurbished and certified by Polk Audio to match the Polk performance, functionality, and reliability standards of new product. Refurbished products may have minor cosmetics blemishes and/or imperfections. The manual and accessories are included with most of our refurbished items. Cosmetic blemishes and imperfections are not covered by the warranty. Polk Audio, Inc., warrants to the original retail purchaser only. This warranty will terminate automatically prior to its stated expiration if the original retail purchaser sells or transfers the product to any other party.

Polk Audio, Inc., warrants, to the original retail purchaser only, that the HOME LOUDSPEAKER(S), and PASSIVE CROSSOVER COMPONENT(S) on this Polk Audio Loudspeaker Product will be free from defects in material and workmanship for a period of two (2) years (6 months on active components) from the date of original retail purchase from Polk Audio.

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