Polk Audio Signature Elite ES50 – Compact Floorstanding Speakers (Pair)
The Polk Audio Signature Elite ES50 is a compact floorstanding loudspeaker designed for stereo music and home cinema systems. Each speaker combines dual 5.25-inch Dynamic Balance® mica-reinforced polypropylene drivers with a 1-inch Hi-Res Audio Certified Terylene dome tweeter and Polk Power Port® technology for detailed highs, clear midrange and controlled bass. :contentReference[oaicite:0]{index=0}
Key Features
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Dual 5.25" Dynamic Balance® Drivers: Mica-reinforced polypropylene cones provide articulate bass and natural midrange reproduction. :contentReference[oaicite:1]{index=1}
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1" Terylene Dome Tweeter: Hi-Res Audio Certified tweeter extends beyond 40kHz for detailed high-frequency playback. :contentReference[oaicite:2]{index=2}
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Power Port® Technology: Polk's patented port design smooths airflow to reduce turbulence and improve bass output. :contentReference[oaicite:3]{index=3}
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2.5-Way Cascaded Crossover: Designed for smooth driver integration and a broad, lifelike soundstage. :contentReference[oaicite:4]{index=4}
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Critically Braced Cabinet: Low-resonance enclosure construction helps reduce unwanted cabinet vibration. :contentReference[oaicite:5]{index=5}
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Dual Gold-Plated Binding Posts: Provides secure speaker-cable connections and flexible wiring options. :contentReference[oaicite:6]{index=6}
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Home Cinema Compatible: Suitable for stereo systems and Dolby Atmos® or DTS:X® home theatre setups. :contentReference[oaicite:7]{index=7}
Technical Specifications
| Product Type |
Passive Floorstanding Loudspeaker |
| Series |
Polk Audio Signature Elite |
| Acoustic Design |
2.5-Way Floorstanding Speaker |
| Mid / Bass Drivers |
2 × 5.25" (13.34cm) Dynamic Balance® Mica-Reinforced Polypropylene |
| Tweeter |
1 × 1" (2.54cm) Hi-Res Terylene Dome |
| Overall Frequency Response |
42Hz – 40kHz |
| Sensitivity |
89dB (2.83V / 1m) |
| Impedance |
Compatible with 4Ω and 8Ω Amplifier Outputs |
| Recommended Amplifier Power |
20 – 150W per Channel |
| Crossover Frequency |
2.5kHz |
| Bass Technology |
Polk Power Port® |
| Speaker Connections |
Dual Gold-Plated 5-Way Binding Posts |
| Dimensions (W × H × D) |
191 × 950 × 277mm per Speaker |
| Weight |
14.5kg per Speaker |
| Quantity |
Pair (2 Speakers) |
System Integration
The ES50 is well suited to medium-sized rooms where a slim tower speaker is preferred. It can be used as a dedicated stereo pair or as the main front left/right speakers in a Signature Elite surround system. Its 89dB sensitivity and compatibility with 4Ω and 8Ω amplifier outputs allow it to work with a wide range of stereo amplifiers and AV receivers. :contentReference[oaicite:8]{index=8}