The Polk Signature line on Speaker Ranking spans 2 generations and 13 models, from the Polk Audio Signature S15 and Polk Audio Signature S30 to the Polk Signature Elite ES10, Polk Signature Elite ES15 and Polk Signature Elite ES20. Ratings run from 3.1/5 to 4.0/5. Of these, 11 are still sold.
Each column below is one generation, oldest on the left. Each row follows one model into the model that replaced it; a long arrow means a model skipped a generation. Ratings are out of 5, and an estimated rating comes from measured models in the same family.
More from this brand: every Polk speaker ranked.
Generation by generation
Audio Signature S15 to Signature Elite ES15
The Polk Signature Elite ES15 replaced the Polk Audio Signature S15. It rates lower, 3.5/5 against 3.7/5.
| Spec | Audio Signature S15 | Signature Elite ES15 |
|---|---|---|
| Drivers | 1” tweeter, 5.25” polypropylene woofer | 1” Terylene high-res dome tweeter, 5.25” mica-reinforced polypropylene woofer |
| Sensitivity | 88dB | 88dB (2.83V @ 1m) |
| Bass Extension (-3dB) | 67.4Hz | 58Hz |
Audio Signature S30 to Audio Signature Elite ES30
The Polk Audio Signature Elite ES30 replaced the Polk Audio Signature S30. Both rate 3.5/5.
| Spec | Audio Signature S30 | Audio Signature Elite ES30 |
|---|---|---|
| Drivers | 1” Terylene dome tweeter, 2x 5.25” woofers | 1” Terylene dome tweeter, 2x 5.25” polypropylene woofers |
Frequently Asked Questions
How many generations of the Polk Signature are there?
Speaker Ranking covers 2 generations of the Polk Signature, from the Polk Audio Signature S15 and Polk Audio Signature S30 to the Polk Signature Elite ES10, Polk Signature Elite ES15 and Polk Signature Elite ES20.
What replaced the Polk Audio Signature S15?
The Polk Signature Elite ES15 replaced the Polk Audio Signature S15. It is rated 3.5/5, against 3.7/5 for the Polk Audio Signature S15.
What replaced the Polk Audio Signature S30?
The Polk Audio Signature Elite ES30 replaced the Polk Audio Signature S30. Both are rated 3.5/5.