HiFi Specs

A/B comparison · Speakers

Bowers & Wilkins 685 S2 vs Polk Audio Signature Series S20

Specs from both manufacturer datasheets Updated Jun 25, 2024

CH A Bowers & Wilkins 685 S2

Bowers & Wilkins 685 S2

Channel A · Bookshelf · 2017
VS
CH B Polk Audio Signature Series S20

Polk Audio Signature Series S20

Channel B · Bookshelf · 2017
Bowers & Wilkins 685 S2 Polk Audio Signature Series S20
20 Hz 100 1k 10k 20k

Rows won, of 9 compared Bowers & Wilkins 0 · Polk Audio 1 · tied or not compared 8

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 0.98" Tweeter + 1x 6.5" Mid-woofer Drivers 1x 1" Tweeter + 1x 6.5" Mid-woofer
49 Hz to 22 kHz ±3 dB · 52 Hz to 22 kHz extended Frequency responseReference not published 39 Hz to 40 kHz
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)

Power, electrical, physical

88 dB 2.83 V/1 m SensitivityReference not published 88 dB
8 Ω Impedance 8 Ω
25 W Amp range 20 to 125 W
343 mm Height · weight 379 mm
3 yr Warranty 5 yr +2 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

Bowers & Wilkins 685 S2
Availability last checked Jun 25, 2024
Polk Audio Signature Series S20
Availability last checked Jun 25, 2024

We do not show live prices; price tiers are our editorial categories. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and comparisons are never influenced by affiliate partners.