




Polk Audio Monitor XT90

Polk Audio Monitor XT90 High-Resolution Height Module Speakers
- Height Module Design: Delivers immersive Dolby Atmos and DTS:X height effects without in-ceiling installation.
- Compact 4″ Bi-Laminate Paper Woofer: Offers clear midrange and impactful, dynamic presentation.
- Versatile Placement: Easily wall-mountable or stackable atop XT series speakers via discreet keyhole slots.
- High-Resolution Audio: Reflects sound off the ceiling to simulate overhead depth in a truly immersive 3D soundfield.
- Premium Build Quality: Features anti-resonant MDF cabinets, nickel-plated binding posts, and precision-fit grilles for pristine fidelity.
- Pair
7.5" (19.05 cm)
- 5.64" (14.32 cm)
- 8.38" (21.29 cm)
- 2.72 kg (6 lbs)
(1) 4” (10.16 cm) Bi-laminate Paper Woofer
89 dB
- 2700 Hz
94 Hz → 22,000 Hz
- Compatible with 4- and 8-ohm outputs
- 30 watts → 100 watts
- 5-way nickel-plated binding posts

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 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.
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 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
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.
Take full advantage of dolby atmos & dts: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 or placed atop a shelf or select Monitor XT Series loudspeakers, Monitor XT90 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.
Flexible placement for premium 3d sound
Whether mounted on your wall or placed atop a shelf or select Monitor XT Series loudspeakers, Monitor XT90 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 receiver
The MXT90 will act as a height channel when paired with any 4- and 8-ohm AV receiver that provides a minimum of 7-channels and that supports Dolby Atmos or DTS:X. You can also use the MXT90 with vintage receivers that have DSP and outputs for ambience speakers.
Works with any dolby atmos or dts:x compatible receiver
The MXT90 will act as a height channel when paired with any 4- and 8-ohm AV receiver that provides a minimum of 7-channels and that supports Dolby Atmos or DTS:X. You can also use the MXT90 with vintage receivers that have DSP and outputs for ambience speakers.
