Polk Audio Signature Elite ES90 – Dolby Atmos Height Module Speakers (Pair)
The Polk Audio Signature Elite ES90 is a Dolby Atmos®-certified height module speaker pair designed to add immersive overhead effects to compatible Signature Elite and Signature Series home cinema systems. Each speaker combines a 5.25-inch mica-reinforced polypropylene driver with a 1-inch Terylene dome tweeter for powerful, detailed and enveloping height-channel reproduction.
Key Features
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Dolby Atmos® Certified: Designed specifically to reproduce immersive overhead effects in compatible Dolby Atmos home cinema systems.
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DTS:X® Ready: Compatible with DTS:X and other immersive audio configurations when connected to a suitable AV receiver.
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5.25" Midrange/Midbass Driver: Large mica-reinforced polypropylene driver provides impactful and full-bodied height-channel reproduction.
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1" Terylene Dome Tweeter: Delivers clear, detailed high frequencies and is timbre-matched with Polk Signature Elite speakers.
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Timbre-Matched Design: Uses complementary driver technologies to provide seamless integration with compatible Signature Elite and Signature Series speakers.
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Secure Top-Mount Design: Molded rubber base allows the ES90 to sit securely on top of compatible speakers while helping isolate unwanted vibration.
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Flexible Immersive Audio: Can reproduce dedicated height information or height effects generated from traditional soundtracks by a compatible AV receiver.
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Gold-Plated Binding Posts: Five-way binding posts provide a secure connection to compatible Dolby Atmos or DTS:X AV receivers.
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Anti-Diffraction Grille: Acoustically inert grille maintains a clean appearance without compromising performance.
Technical Specifications
| Product Type |
Passive Height Module Speaker |
| Series |
Polk Audio Signature Elite |
| Speaker Type |
Height / Topper |
| Midrange / Midbass Driver |
1 × 5.25" (13.34cm) Mica-Reinforced Polypropylene Driver per Speaker |
| Tweeter |
1 × 1" (2.5cm) Terylene Dome per Speaker |
| Frequency Response (-10dB) |
52Hz – 40kHz |
| Frequency Response (-3dB) |
142Hz – 26kHz |
| Sensitivity |
85dB |
| Nominal Impedance |
4Ω (8Ω Compatible) |
| Recommended Amplifier Power |
20 – 150W per Channel |
| Crossover Frequency |
2.2kHz |
| Speaker Connections |
1 Pair of Gold-Plated 5-Way Binding Posts |
| Certification |
Dolby Atmos® Certified |
| Immersive Audio Compatibility |
Dolby Atmos® / DTS:X® / IMAX Enhanced |
| Compatible Signature Elite Speakers |
ES20 / ES55 / ES60 |
| Compatible Signature Series Speakers |
S20 / S55 / S60 |
| Dimensions (W × H × D) |
189 × 186 × 306mm per Speaker |
| Weight |
3.76kg per Speaker |
| Quantity |
Pair (2 Speakers) |
Home Cinema Integration
The ES90 is designed to sit securely on top of compatible Polk Signature Elite ES20, ES55 and ES60 speakers, as well as Signature S20, S55 and S60 models. Connect the pair to dedicated height-channel outputs on a compatible Dolby Atmos® or DTS:X® AV receiver to add overhead effects and a more immersive three-dimensional soundstage.
Ideal Applications
- Dolby Atmos® height channels
- DTS:X® immersive home cinema systems
- IMAX Enhanced home cinema systems
- Signature Elite ES20, ES55 and ES60 systems
- Signature S20, S55 and S60 systems
- Movies, television, music and gaming