HEIGHT MODULE for the Polk Reserve Series

Add R900 height modules to access an IMAX-enhanced world of multidimensional sound. Its unique design means that it can sit atop other Reserve Series speakers or be mounted to the wall, unlocking the Dolby Atmos and DTS:X capabilities of the Reserve Series.

  • Wall or speaker-mounted
  • Atmos and IMAX Enhanced certified
  • Flagship transducer array
  • Sleek and elegant design



    What Better Sounds Like

    Whether they're mounted on your wall or placed atop your Reserve Series loudspeakers, the R900s ensure exceptional 3D Dolby Atmos, DTS:X and IMAX Enhananced performance that make eligible movies, music and games sound incredible.




    Amazing Sound and Elegance

    Designed to perfectly complement the Reserve series, this optional height module adds exceptionally realistic sound without the hassle of installing speakers in the ceiling.



    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.


    Timbre matched for premium performance

    Designed with the same driver components of the Reserve series speakers, you can mix and match to create the ultimate home theater setup.

    Flexible placement

    The Polk Reserve R900 height module is Dolby Atmos certified and designed to meet DTS:X specification. With the ability to wall mount or place on top of a compatible Reserve speaker, this height module allows convenient flexibility. Flip the switch on the back of the speaker to select the desired position and the speaker will automatically adapt to the optimal performance.


    R900 Height Module

    Exceptional 3D movie, music, and game sound.

    3D Audio Compatible

    Delivers 3D audio found in Dolby Atmos, Dolby Atmos height virtualization, DTS, DTS:X, DTS Virtual:X, and IMAX Enhanced soundtracks.

    Anti-diffraction Grille Included

    Acoustically inert grilles offer a clean aesthetic without sacrificing sound.

    Power Recommendations

    45W to 100W or more per channel power amplification is recommended to experience the best quality and performance from this speaker.


    Why Polk Audio?

    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 Height Module
    UOM (Sold As) Pair


    Tweeter 0.75" Pinnacle Ring Radiator
    Mid-range/Mid-bass -
    Woofers 4” Turbine Cone
    Overall Frequency Response 50 – 50kHz (when wall mounted)
    Frequency Response (-3dB limits) 70 – 32kHz (when wall mounted)
    Recommended Amplifier Power 45 - 100W
    Amplifier Output Compatibility 8Ω / 6Ω / 4Ω
    Minimum Impedance (ohms) 4.2Ω
    Sensitivity (2.83V/1m) 85.5dB (when wall mounted)


    Tweeter/Mid-range Crossover Frequency 2100
    Mid-range/Mid-bass Crossover Frequency -


    Product Dims W x H x D (Includes width of feet) 166 x 158.3 x 320mm
    6.5 x 6.2 x 12.6 in
    Product Weights (each) 6.6 lbs/3 kg
    Shipping Weight 16 lbs/7.3 kg


    New CRC (Mid-Range Enclosure Type) -
    Mid-Bass / Woofer Enclosure Type Sealed
    Available Finishes Black / Walnut / White
    Feet Pads
    Wall-Mountable (keyhole slots) Yes
    Binding Posts: Nickel-plated 5-Way Single


    Hi-Res Certified Yes
    IMAX Certified N/A
    Shipping Dims (WxHxD) 415 x 370 x 260mm
    (16.3 x 14.6 x 10.2) in

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