Polk Audio Reserve R100 Bookshelf Speakers


The Polk Audio Reserve R100 is a versatile small speaker that is great in a compact stereo pair, as part of a front stage, or as surround components in a larger system. Its diminutive size means it’s equally at home on a bookshelf or on a stand.

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Key Features of the Polk Audio Reserve R100 Bookshelf Speakers:

  • Compact bookshelf speaker
  • Smooth midrange and highs and effortless bass
  • Beautiful stereo reproduction & excellent home cinema detail
  • Bass-reflex (ported) enclosure with X-Port
  • Exceptional value


Flagship Sound – What Better Sounds Like

Inheriting best-in-class technologies from our flagship Legend series of loudspeakers, the Polk Reserve R100 series helps teach you what better sounds like.

Polk Audio Reserve R100 Bookshelf Speakers


Amazing Sound and Elegance

With understated elegance, the Reserve line has a minimalist design with universal appeal. Inheriting Polk’s flagship transducer array, the Reserve R100 produces exceptional sound that rivals competitor speakers that sell for twice the price.

Polk Audio Reserve R100 Bookshelf Speakers


Sit Right Everywhere – 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.

Polk Audio Reserve R100 Bookshelf Speakers


Strength in Motion – Turbine Cone Woofer

Our pioneering turbine design delivers a significant increase in cone rigidity without increasing mass. This innovation in the Reserve R100 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 Audio Reserve R100 Bookshelf Speakers


Purity of Sound – X-Port

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.

Polk Audio Reserve R100 Bookshelf Speakers

Form and Function – Exceptional Cabinetry

The Reserve R100 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.

Polk Audio Reserve R100 Bookshelf Speakers


Hi-Res Audio Certified

Your sound is only as good as your source. With Hi-Res Audio certification, the Polk Reserve R100 bookshelf speaker delivers clear and detailed high-end response. Female vocals are particularly smooth and detailed without coloration. Plus, a minimum support of 40 kHz perfectly reproduces the latest Hi-Res Audio files with improved audio extension.

Polk Audio Reserve R100 Bookshelf Speakers

Certifiably Excellent – Reserve R100 Speaker

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

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


Magnetic Grille Included

The magnetic grille is computer-modelled for a precision fit and to minimize sonic interference. Our acoustically inert magnetic grilles offer a clean and attractive aesthetic without sacrificing sound.


  • Experts in Sound – 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.
  • 5 Year Warranty – The Reserve series is built to last and features a best-in-class, 5-year limited warranty.
  • Best in Class Loudspeakers – 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 Standmount (Bookshelf)
Sold As Pair
Tweeter 1″ Pinnacle Ring Radiator
Woofers 5¼” Turbine Cone
Overall Frequency Response 44 Hz – 50 kHz
Frequency Response (-3 dB Limits) 58 Hz – 39 kHz
Recommended Amplifier Power 30 – 150 W
Amplifier Output Compatibility 8Ω / 6Ω / 4Ω
Minimum Impedance (Ohms) 3.6Ω
Sensitivity (2.83 V/1 m) 86 dB
Tweeter/Mid-Range Crossover Frequency 2,700 Hz
Mid-Range/Mid-Bass Crossover Frequency
Product Dimensions W x H x D (Includes Feet) 166 x 324 x 259.5 mm (6.5 x 12.8 x 10.2 in)
Product Weight (Each) 5.5 kg (12.2 lb)
Shipping Dimensions W x H x D 478 x 348 x 422 mm (18.8 x 13.7 x 16.6 in)
Shipping Weight 12.9 kg (28.4 lb)
New CRC (Mid-Range Enclosure Type)
Mid-Bass / Woofer Enclosure Type Rear X-Port
Available Finishes Black / Walnut
Feet Rubber Pads
Wall-Mountable (Keyhole Slots) Yes
Binding Posts: Nickel-Plated 5-Way Single
Certifications (Non-Safety and Regulatory)
Hi-Res Certified Yes
IMAX Certified No

Additional information

Weight 13 kg
Dimensions 47 × 34 × 42 cm

Black, Walnut