HiFi SPECS

A/B comparison · Speakers

Polk Audio Signature Series S20 vs Polk Audio ES20

Specs from both manufacturer datasheets Updated Jun 25, 2024

CH A Polk Audio Signature Series S20

Polk Audio Signature Series S20

Channel A · Bookshelf · 2017
VS
CH B Polk Audio ES20

Polk Audio ES20

Channel B · Bookshelf · 2021

About $399 a pair

Polk Audio Signature Series S20 Polk Audio ES20
20 Hz 100 1k 10k 20k
8.7/10Polk Audio

Rows won, of 12 compared Polk Audio 0 · Polk Audio 0 · tied or not compared 12

Datasheet · Side by side

Spec by spec

Built from both structured spec sheets. The delta chip sits on the winning side; rows with no defensible winner carry no chip.

Sound & drivers

2-way Configuration 2-way
1x 1" Tweeter + 1x 6.5" Mid-woofer Drivers 1x 1" Tweeter + 1x 6.5" Mid-woofer
39 Hz to 40 kHz Frequency responseReference not published 39 Hz to 40 kHz 38 Hz to 45 kHz extended
Not published Max SPL 109 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)
Not published Port tuning 49 Hz

Power, electrical, physical

88 dB SensitivityReference not published 87 dB 2.83 V/1 m
8 Ω Impedance 8 Ω
20 to 125 W Amp range 20 to 150 W
Not published Speaker terminals 5-way binding posts Checked against the maker's own sheet, Sep 2026 Source
379 mm Height · weight 356 mm · 17 lb Checked against the maker's own sheet, Sep 2026 Source
5 yr Warranty 5 yr

A higher sensitivity figure means the same loudness from less amplifier power. Values come from each manufacturer datasheet.

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Availability

Where they stand on price

Polk Audio Signature Series S20
Availability last checked Jun 25, 2024
Polk Audio ES20
Availability last checked Jun 25, 2024

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