The Polk Monitor line on Speaker Ranking spans 2 generations and 9 models, from the Polk Audio Monitor 40 Series II to the Polk Audio XT15, Polk Monitor XT20 and Polk Audio XT60. Ratings run from 3.1/5 to 4.1/5. Of these, 8 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 Monitor 40 Series II to Monitor XT20
The Polk Monitor XT20 replaced the Polk Audio Monitor 40 Series II. It rates higher, 3.4/5 against 3.2/5.
| Spec | Audio Monitor 40 Series II | Monitor XT20 |
|---|---|---|
| Drivers | 1” composite dome tweeter, 2x 5.25” bi-laminate woofers | 6.5” bilaminate paper cone woofer, 1” Terylene dome tweeter |
| Sensitivity | 89dB | 86dB |
| Bass Extension (-3dB) | 82.0Hz | 64.5Hz |
| Weight | 16.1 lbs (7.3 kg) each | 11.9 lbs (5.4 kg) each |
Frequently Asked Questions
How many generations of the Polk Monitor are there?
Speaker Ranking covers 2 generations of the Polk Monitor, from the Polk Audio Monitor 40 Series II to the Polk Audio XT15, Polk Monitor XT20 and Polk Audio XT60.
What replaced the Polk Audio Monitor 40 Series II?
The Polk Monitor XT20 replaced the Polk Audio Monitor 40 Series II. It is rated 3.4/5, against 3.2/5 for the Polk Audio Monitor 40 Series II.