At a glance
Polk Audio ES20 in 5 facts
- Type: Bookshelf speaker, passive
- Frequency response: 39 Hz to 40 kHz
- Sensitivity: 87 dB (2.83 V/1 m)
- Impedance: 8 Ω
- HiFi Specs score: 8.7/10, the average of 6 rated aspects
Verdict
The short version
8.7/10
The Polk Signature Elite ES20 Bookshelf Speakers offer exceptional sound quality and build for a reasonable price. Despite their large size, they provide a balanced, immersive audio experience suitable for both music and home theater setups. HiFi Specs score from 6 rated aspects · compared across 162 speakers
Datasheet
The numbers
- Power type
- Passive
- Configuration
- 2-way
- Drivers
- 1x 1" Tweeter + 1x 6.5" Mid-woofer
- Frequency response
- 39 Hz to 40 kHz 38 Hz to 45 kHz extended
- Crossover frequency
- 2.5 kHz
- Sensitivity
- 87 dB (2.83 V/1 m)
- Impedance
- 8 Ω
- Recommended amp power
- 20 to 150 W
- Maximum SPL
- 109 dB
Cabinet
Cabinet & connections
- Enclosure type
- Ported (Bass Reflex)
- Port tuning frequency
- 49 Hz
- Speaker terminals
- 5-way binding posts Checked against the maker's own sheet, Sep 2026 Source
- Bi-wire capable
- No Checked against the maker's own sheet, Sep 2026 Source
- Bi-amp capable
- No Checked against the maker's own sheet, Sep 2026 Source
- Removable grille
- Yes
- Connectivity
- Wired
Physical
Dimensions, weight, placement
- Recommended placement
- Shelf, Stand
- Height
- 14 in 356 mm
- Width
- 7.5 in 191 mm
- Depth
- 9.5 in 241 mm
- Weight
- 17 lb 7.7 kg Checked against the maker's own sheet, Sep 2026 Source
- Colors
- Black White Brown
Compared across 162 speakers
How it scored
Availability
Where to buy
about $399 a pair
We don't show live prices. This is our editorial price tier, last checked Sep 7, 2026. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and reviews are never influenced by affiliate partners.