The Polk Audio Signature Elite ES55 is a slim floorstanding loudspeaker designed for stereo listening and home cinema systems. Each speaker combines dual 6.5-inch Dynamic Balance® mica-reinforced polypropylene drivers with a 1-inch Hi-Res Audio Certified Terylene dome tweeter and Polk Power Port® technology for clear highs, controlled midrange and deep bass from a room-friendly tower design.
| Product Type | Passive Floorstanding Loudspeaker |
|---|---|
| Series | Polk Audio Signature Elite |
| Acoustic Design | 2.5-Way Floorstanding Speaker |
| Mid / Bass Drivers | 2 × 6.5" (16.51cm) Dynamic Balance® Mica-Reinforced Polypropylene |
| Tweeter | 1 × 1" (2.54cm) Terylene Dome |
| Total Frequency Response | 32Hz – 40kHz |
| Sensitivity | 89dB (2.83V / 1m) |
| Impedance | Compatible with 4Ω and 8Ω Amplifier Outputs |
| Recommended Amplifier Power | 20 – 200W per Channel |
| Crossover Frequency | 2.4kHz |
| Bass Technology | Polk Power Port® |
| Speaker Connections | Dual Gold-Plated 5-Way Binding Posts |
| Cabinet | Critically Braced MDF Enclosure |
| Grille | Removable Magnetic Anti-Diffraction Grille |
| Dimensions (H × W × D) | 1054 × 216 × 319mm per Speaker |
| Weight | Approximately 20kg per Speaker |
| Quantity | Pair (2 Speakers) |
The ES55 is suited to medium-sized listening rooms and can be used as a dedicated stereo pair or as the main front speakers in a Signature Elite home cinema system. Its dual 6.5-inch drivers provide strong low-frequency output while maintaining a slimmer footprint than the larger ES60.