The Polk Audio Monitor XT90 is a compact height module speaker designed to add immersive overhead effects to compatible home cinema systems. Each speaker features a 4-inch Dynamic Balance® woofer and a 0.75-inch Terylene dome tweeter in an angled enclosure, allowing sound to be directed toward the ceiling and reflected toward the listening position for Dolby Atmos® and DTS:X® playback.
| Product Type | Passive Height Module Speaker |
|---|---|
| Series | Polk Audio Monitor XT |
| Driver Configuration | 2-Way |
| Woofer | 1 × 4" (10.16cm) Dynamic Balance® Woofer per Speaker |
| Tweeter | 1 × 0.75" (1.91cm) Terylene Dome per Speaker |
| Total Frequency Response | 94Hz – 22kHz |
| Frequency Response (-3dB) | 120Hz – 20kHz |
| Sensitivity | 89dB (2.83V / 1m) |
| Amplifier Output Compatibility | 4Ω / 8Ω |
| Minimum Impedance | 4.3Ω |
| Recommended Amplifier Power | 30 – 100W per Channel |
| Crossover Frequency | 3.0kHz |
| Speaker Inputs | 5-Way Binding Posts |
| Placement | Top-Mounted or Wall-Mounted |
| Immersive Audio Compatibility | Dolby Atmos® / DTS:X® |
| Dimensions (W × H × D) | 190.5 × 143.5 × 212.1mm per Speaker |
| Weight | 2.72kg per Speaker |
| Finish | Matte Black |
| Quantity | Pair (2 Speakers) |
The Monitor XT90 can be positioned on top of compatible Monitor XT speakers to function as an up-firing height module or wall-mounted for a direct-radiating height-channel installation. When connected to the height-channel outputs of a compatible AV receiver, the XT90 adds overhead effects to Dolby Atmos® and DTS:X® home cinema systems without requiring conventional in-ceiling speakers.