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References
Front view — side by side at true scale
APolk Signature Elite ES20BSonus Faber Olympica I
Polk Signature Elite ES20vsSonus Faber Olympica I
The Polk Signature Elite ES20 and the Sonus Faber Olympica I stand at nearly the same height, around 37.6 cm tall. At 87 dB against 86 dB, the Sonus Faber Olympica I is the easier load to drive and plays louder from the same amplifier. The Polk Signature Elite ES20 reaches deeper in the bass, down to 41 Hz versus 57 Hz.
| A | B | |
|---|---|---|
| Manufacturer | Polk | Sonus Faber |
| Model | Signature Elite ES20 | Olympica I G3 |
| HiFi ladder position | #123 of 211 bookshelf | #120 of 211 bookshelf |
| Height | 376 mm | 370 mm |
| Width | 217 mm | 210 mm |
| Depth | 351 mm | 370 mm |
| Weight | 7.71 kg | 11 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Terylene Dome), 1× 165 mm mid-bass (Dynamic Balance mica-reinforced polypropylene cone) | 1× 28 mm tweeter (silk dome), 1× 165 mm mid-bass (paper cone) |
| Frequency — low | 41 Hz | 57 Hz |
| Frequency — high | 40000 Hz | 40000 Hz |
| Sensitivity | 86 dB | 87 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 20–125 W | 30–250 W |
| MAP (USD) | $400 / pair | — |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | polkaudio.com ↗ | sonusfaber.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.

