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Polk Audio Reserve R350 Brown Slim Center Channel Speaker
Polk Audio Reserve R350 Brown Slim Center Channel Speaker 0
Polk Audio Reserve R350 Brown Slim Center Channel Speaker 1
Polk Audio Reserve R350 Brown Slim Center Channel Speaker 2

Polk Audio Reserve R350 Brown Slim Center Channel Speaker

Model #: R350-Brown
Polk Audio
At a Glance
The R350 is an incredibly versatile speaker. Use as a traditional center channel to deliver crisp, clear dialogue or add two additional R350s vertically mounted on each side of your television to create an unobtrusive Left/Right/Center front stage.
Available in Store Only


Get to know this product.

The Polk Reserve R350 slim center channel speaker is the perfect discrete speaker for your home theater. This compact 5” unit can fit almost anywhere. With a 1” Pinnacle tweeter and four 4” Turbine woofers, you get clear, crisp vocals for your favorite movies and shows. With exceptional versatility, the R350 is also a left/center/right speaker, so you can use up to three units as your front stage.

What Better Sounds Like

As we get older, we learn what better looks like, feels like, tastes like, and even drives like. Inheriting best-in-class technologies from our flagship Legend series of loudspeakers, the Polk Reserve series helps teach you what better sounds like.

Crystal Clear Vocals For Home Theater

The versatile R350 is one of the most unique speakers in the Reserve line because it serves beautifully as a center channel and it can also be used as your left and right channel as needed. Just flip the speaker vertically and you get a multi-transducer Left or Right channel speaker. The R350 is wall-mountable, allowing for flexible placement in smaller rooms and easy positioning at the right height to enjoy optimal sound.

Pinnacle Ring Radiator Tweeter

The Pinnacle Ring Radiator Tweeter’s distinctive pointed shape guides the dispersion of high frequency sounds around a room. This innovation widens the sweet spot and allows you freedom to enjoy your music and movies wherever you choose to 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.

Hi-Res Audio Certified

Your sound is only as good as your source. With Hi-Res Audio certification, the Polk Reserve R350 slim center channel speaker delivers clear and detailed high-end response. Female vocals are particularly smooth and detailed without coloration. Plus, a minimum support of 40kHz perfectly reproduces the latest Hi-Res Audio files with improved audio extension.

Exceptional Cabinetry

Reserve’s sleek cabinetry hides a world of audio innovation. Cabinets are carefully cross-braced to best eliminate unwanted interior resonances. Rounded exterior corners help disperse sound broadly around the room with minimal diffraction, creating an open sound stage.

HiRes Certified, Dolby Atmos Enabled & IMAX Enhanced

The Reserve Series sets the benchmark for music and movie audio excellence

  • Delivers clear and detailed high-end response up to 40Khz for improved high frequency signals for today’s high-quality audio.
  • Listening to Atmos and DTS:X-enabled content on Reserve Series speakers brings you deeper into the story or music every time.
  • IMAX Enhanced compatibility guarantees an unforgettably huge and dynamic home theater experience when enjoying IMAX Enhanced movies, television shows and music.

Why Polk Audio

  • For over 45 years, Polk Audio has designed, engineered, and voiced high-quality loudspeakers, sound bars, and smart speakers. From innovation in tweeter design to the legendary SDA speakers, Polk Audio makes great sound accessible to all.
  • The Reserve series is built to last and features a best-in-class, 5-year limited warranty.
  • Polk’s goal since our founding has been to build great loudspeakers that virtually transport the listener’s room into the scene of the recorded performance. This is achieved by constant innovation and leaving nothing to chance. The result of over 45 years of engineering is best-in-class loudspeakers backed by numerous awards, patents, and brand loyalists.


Speaker Type Low Profile L/C/R Center Channel (Use as Left, center or right)
UOM (Sold As)Each


Tweeter1" Pinnacle Ring Radiator
WoofersFour 4” Turbine Cone
Overall Frequency Response50Hz - 50kHz
Frequency Response (-3dB limits)75Hz - 35kHz
Recommended Amplifier Power25 - 200W
Amplifier Output Compatibility8Ω / 6Ω / 4Ω
Minimum Impedance (ohms)3.9Ω
Sensitivity (2.83V/1m)87dB


Tweeter/Mid-range Crossover Frequency2700
Mid-range/Mid-bass Crossover Frequency1400


Mid-Bass / Woofer Enclosure TypeSealed
Available FinishesBlack / Walnut / White
FeetRubber pads
Wall-Mountable (keyhole slots)Yes
Binding Posts: Nickel-plated 5-WaySingle

Certifications (Non-Safety and Regulatory)

Hi-Res CertifiedYes
IMAX CertifiedNo

Misc. Specs

Product Weight (lbs.)20
Wattage25 - 200W
Frequency Response50Hz - 50kHz
Color Finish NameWalnut
Manufacturer Warranty5 years
Shipping Depth (in.)11.4
Shipping Width (in.)34.1
Shipping Height (in.)9.1
RMS Power Handling (Watts)200
Impedance8 ohms
Speaker TypeCenter Channel Speakers
Depth (in.)7.4
Height (in.)5.5
Width (in.)30
WarningProposition 65 Warning for California Residents