R400 Black

Polk Audio Reserve R400 Center Channel Speaker, Midnight Black, (Each)


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  • Patent pending X-Port
  • Unrivalled power and clarity
  • Blends into any décor
  • Sleek and elegant design

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Product Description

Reserve R400 – Overview

The R400 offers unrivalled power and clarity from a center channel speaker. The addition of two 6.5” turbine cone woofers and Polk’s unique X-Port technology means it delivers enormous yet balanced sound, ideal for the ultimate home theater system.

Crystal Clear Vocals for Home Theater

The center channel is the most important speaker in any home theater setup. The Reserve R400 uses Polk’s latest flagship transducer array to deliver clear, crisp, intelligible dialogue no matter where you sit.

Turbine Cone Woofer

Our pioneering turbine design delivers a significant increase in cone rigidity without increasing mass. This innovation means the woofer can move with increased accuracy and speed to deliver enhanced sound resolution, enabling you to experience a breathtaking level of detail in your music and movies.


Polk’s proprietary X-Port eliminates unwanted noise created as air moves in and out of the speaker cabinet port at high-speeds. This ensures a rich and detailed listening experience with tight distortion-free bass and a clean midrange.

Additional information



Speaker Type

Model Name

R400 Black

Special Feature

X-Port Technology, Blends into any decor

Product Dimensions

13.8 x 24.2 x 7.8 inches

Item Weight

32.8 pounds