Center Channel

This product is a vintage Polk model and is not available for sale, but it may still be available in some stores as a closeout or used product. The following text is taken from the original sales brochure for this product and does not reflect current availability. If you happen to have any question or concerns about this product, or any other Polk Audio product, feel free to contact our Customer Service Department at 1-800-377-7655 Monday - Friday, 9am - 5:30pm EST


Center Channel Loudspeaker

Available Finishes:

The CS175 is optimized for the new RT15 main speaker. Because of its smooth, neutral response and high efficiency, it is also ideal for use with other brands of main speakers.

The CS175 features:

  • Magnetic shielding for safe placement next to TVs without picture interference
  • Low profile design allows unobtrusive placement on top of TVs
  • Single driver array maintains wide horizontal dispersion so that every listener in the room hears clear, detailed and articulate sound
  • Dynamic Balance driver ensures correct timbre matching to other Polk speakers for seamless, life-like imaging
  • Fluid cooled tweeter provides the high power handling essential for center channel speakers
  • 5-way binding post input terminals
  • Black finish

Driver Complement

Diameter3/4" (1.91cm) 
TypeDome tweeter (shielded) 
Mid / Woofer
Diameter5 1/4" (13.34cm) 
TypeDynamic Balance mid/bass driver (shielded) 


Total Frequency Response55Hz - 22kHz 
Upper -3dB Limit20 kHz
Lower -3dB Limit60 Hz
Nominal Impedance8 ohms
Efficiency89 dB

Amplifier Specs

Amplifier Type


Cabinet Dimensions
Height6 13/40" (16.07cm) 
Width16 3/4" (42.55cm) 
Depth8 1/4" (20.96cm) 


Total Shipping Weight16.00 pounds


Speaker Warranty3 years parts and labor (original purchaser) 

Specifications, dimensions and features subject to change without notice. For more information call us at 1-800-377-7655 (USA and Canada). Outside of North America call +1 (410) 358-3600.

CS175 Media

CS175 Literature

Want to know more? Want to dig just a little deeper to learn about this product? Here's a list of source material that will give more detail, other perspectives, and answer questions you may have.

CS175 Accessories