Polk Monitor XT90

Height Speaker for Dolby Atmos / DTS:X

  • Engineering and designed in the USA
  • Great sound for every room
  • 5-year limited warranty
  • Built to last

Dramatic 3D Sound

Enhance All Your Favorite Media

Raise your home theater to new heights. The Monitor XT90 fits atop the Monitor XT20, MXT60, MXT70 or wall mounts to reflect sound off your ceiling and enhance movies and games in Dolby Atmos and DTS:X with dramatic 3D sound. Hear planes flying overhead, special FX, ambience and more for a truly immersive experience.

Take full advantage of Dolby Atmos, DTS:X and DTS Virtual:X

Enjoy the full multidimensional experience of Dolby Atmos, DTS:X and DTS Virtual:X content. The Monitor XT90 was designed to take full advantage of these format’s height audio channels and will reflect sound off your ceiling to add a true third dimension to the sound field of your home theater.

Flexible Placement for Premium 3D Sound

Whether mounted on your wall, shelf or placed atop select Monitor XT Series loudspeakers, Monitor MXT90 height speakers ensure impressive 3D performance to make Dolby Atmos- and DTS:X-enhanced movies, music and games sound incredible. And set up is easy, they’re designed to fit perfectly on top of the Monitor XT20, XT60 and XT70, and they also feature built-in keyhole slots for wall mounting.

Works with Any Dolby Atmos, or DTS:X Compatible AV Receiver

The MXT90 will act as a height channel when paired with any A/V receiver that provides a minimum of 7-channels and that supports the Dolby Atmos, DTS:X and DTS Virtual:X formats. To ensure maximum compatibility MXT90 was designed to work with both 4- and 8-ohm amps and AV receivers. You can also use the MXT90 with vintage receivers that have DSP and outputs for ambience speakers.

Dolby Atmos & DTS:X Compatible

Compatible with the latest Dolby Atmos and DTS:X surround sound enabled AV receivers and 4- & 8-ohm amplifiers, Monitor XT does not require specialized equipment to deliver great sound. Combine the MXT90 height module with the MXT70 to experience new dimensions of 3D sound.


Best Speaker System for Home Theatre

"High Resolution at an incredible price!"

  • Specifications
  • Support
Tech Specs

Compact Bookshelf Speaker

  • Qty Included
  • Width
    5.4" (13.72 cm)
  • Height
    8.4" (21.34 cm)
  • Weight
    6 lbs (2.72 kg)
  • Depth
    6.25" (15.88 cm)
  • Mounting Type
    1/4" 20 Threaded Insert or Keyhole Hanger
  • Speaker Inputs
    (1) Pair of 5-way Binding Posts - Gold Plated
  • Recommended Amplifier Power Per Channel
    20 watts → 100 watts
  • Max Sensitivity (1 watt @ 1 meter)
    87 dB
  • Total Frequency Response
    67 Hz → 40,000 Hz