Polk Audio CSI A4 Black Center Channel Loudspeaker - CSIA4BK

Polk Audio CSI A4 Black Center Channel Loudspeaker, Model CSIA4BK

Center Channel Speakers easily carry the 50+% of center channel info delivered in multi-channel sources. So The CSi A4 has an aimable cabinet to give you placement flexibility and finer sound-tailoring for your high performance home theater system.The CSi A4 incorporate our latest Dynamic Balance Cone drivers and 1-inch tweeters. You're assured classic Polk performance in a design that speaks to today's high-end home décor. True performance art.

Features:

• 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

Specifications:

Driver Complement

• 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

Electrical

• 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

Warranty Information:

• Manufacturer's Warranty (authorized online retailer): 2 years parts and labor