Polk Reserve R900 – HT Module/ Pair



  R900 height modules to access an IMAX-enhanced world of multidimensional sound. 4? Turbine Cone Midrange
Minimum Impedance – 4.2?
Sensitivity – 85.5dB SPL (When wall mounted)
Frequency Response – 70Hz ? 32kHz (When wall mounted)

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.


  • 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.


Tweeter Size (in)0.75
Woofer Size (in)4
Frequency Response70Hz – 32kHz (when wall mounted)
Enclosure TypeSealed
Impedance4.2 Ohms Minimum
Sensitivity85.5dB (when wall mounted)

Approximate Dimensions

Height (in)6.2
Width (in)6.5
Depth (in)12.6

Approximate Weight

Unit Weight (lbs.)13.2
Shipping Weight (lbs.)16

Polk Audio


Reserve Series

Product Type

Atmos Speaker

Fill your home with the big, clear sound of Polk speakers and elevate your favorite movies, TV shows, sports games, music, and more
SKU: r900 Category: