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Polk Audio Signature S20

Bookshelf speakers (Washed Black Walnut)

Item # 107SIGS20

Polk's Signature S20 bookshelf speakers are an excellent choice for high-impact surround sound and detailed...

Polk's Signature S20 bookshelf speakers are an excellent choice for high-impact surround sound and detailed...

Item # 107SIGS20

In stock
C$499.99 pair

About the Polk Audio Signature S20

Rich home theater sound

Polk's Signature S20 bookshelf speakers are an excellent choice for high-impact surround sound and detailed high-resolution stereo music. Their curved edges and sleek black or walnut finish make them an attractive addition to any room.

Rich home theater sound

Polk's Signature S20 bookshelf speakers are an excellent choice for high-impact surround sound and detailed high-resolution stereo music. Their curved edges and sleek black or walnut finish make them an attractive addition to any room.

Polk Signature S20 bookshelf speakers

Built for smooth sound

The S20s are made with high-quality materials for natural, low-distortion sound. Each cabinet houses a 1" high-resolution Terylene dome tweeter for clear, detailed highs and realistic reproduction of instruments and vocals. The highly efficient 6-1/2" Dynamic Balance® woofer is made of lightweight yet durable mica-reinforced polypropylene. Non-resonant MDF (Medium Density Fiberboard) cabinets and anti-diffraction magnetic grilles provide an acoustically inert structure for reduced sonic interference. Polk's exclusive Power Port technology adds bass impact.

Build a complete Signature system

Add more Polk Signature speakers for seamless surround sound.

Bookshelf speakers: Polk Signature S10 and Polk Signature S15
Center channel: Polk Signature S30 or Polk Signature S35
Floor-standing speakers: Polk Signature S50, Polk Signature S55, or Polk Signature S60

Round out the low end with a Polk powered subwoofer.

Got wire?

Most speakers don't include any. Read our article about choosing and installing speaker wire.
Shop our selection of speaker wire.

READ LESS

Product highlights:

  • frequency response: 39-40,000 Hz
  • sensitivity: 88 dB
  • 8-ohm impedance
  • handles up to 125 watts
  • 1" Terylene high-res dome tweeter
  • 6-1/2" mica-reinforced polypropylene Dynamic Balance® cone driver
  • Power Port® technology for better bass response
  • non-resonant MDF cabinet
  • 5-way gold-plated binding posts
  • anti-diffraction magnetic grilles for minimal sonic interference
  • 8-9/16"W x 14-3/4"H x 13-13/16"D
  • weight: 17 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # AM9534-A

What's in the box:

  • 2 Bookshelf loudspeakers
  • 2 Grilles (attached)
  • 8 Self-adhesive rubber feet
  • Owner's Manual
  • Online Product Registration

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Polk Audio Signature S20 reviews

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More details on the Polk Audio Signature S20

Stacey B.

Features & specs

Enclosure Bass Reflex
Finish Meddite MDF
Color Black
Video Shielded No
Tweeter Type Soft-Dome
Tweeter Size (inches) 1
Midrange Size (inches) N/A
Woofer Size (inches) 6.5
Woofer Composition Mica-reinforced polypropylene
Woofer Surround Butyl rubber
Power Range 20-125
Sensitivity 88 dB
Impedance (Ohms) 8
Frequency Response 39-40k Hz
Connector Type 5-way post
Bi-amp Inputs No
Height (inches) 14-3/4
Width (inches) 8-9/16
Depth (inches) 13-13/16
Weight (pounds) 17
Mounting Bracket Included No
Recommended Stand Height (inches) 24-28
Parts Warranty 5 Years
Labor Warranty 5 Years

Product Research

Features

Dynamic Balance Drivers: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion. Using just the right materials enables Polk to eliminate issues that reduce speaker performance and tune out performance-robbing resonances before they occur. Dynamic Balance ensures a rich, clean, full-range sound no matter what you're listening to. The Polk Signature S20 bookshelf loudspeaker incorporates a Dynamic Balance two-way driver array with one 1" tweeter and one 6.5" woofer.

  • Hi-Res 1" Terylene Tweeter: The Signature S20 bookshelf loudspeaker utilizes Polk's newly designed 1" Terylene tweeter to deliver clear and detailed high-end response for realistic reproduction of vocals and instruments. It will support high frequencies up to 40kHz to perfectly reproduce the latest high-resolution audio files with improved audio extension, earning Hi-Res Audio Certification.
  • 6.5" Mica-Reinforced Polypropylene Woofer: The Signature S20 bookshelf speaker employs one 6.5" Dynamic Balance low distortion mica-reinforced polypropylene cone woofer for clean, clear bass, better linearity, and increased dynamic midrange and midbass. This mica-reinforced polypropylene woofer features a butyl rubber surround, massive ceramic motor structure, and a high-temperature Conex fiber spider that combine to create a driver of exceptionally high efficiency, for clean, clear bass, better linearity, lower distortion, and greater durability.

Power Port Technology: The Signature S20 bookshelf incorporates Polk's Power Port technology with a specially designed rear-firing port. Power Port technology smoothly transition air flow from inside the speaker into your listening area for deep, extended bass impact while minimizing turbulence and distortion. Polk's patented Power Port technology delivers 3dB more bass response than a traditional ported speaker.

Non-Resonant Enclosure: The bookshelf speaker's strong, rigid and acoustically inert enclosure reduces unwanted internal standing waves for less audible coloration. And non-resonant Meddite MDF construction, extra bracing, and a thick front baffle ensure a more lifelike sound. The enclosure's curved edges not only look cool, they reduce standing waves inside the cabinet for less audible coloration. The enclosure features a beautiful black washed walnut finish.

Anti-Diffraction Magnetic Grille: The Signature S20 includes an anti-diffraction magnetic grille for unaltered sound. The integrated magnets make it easy to attach and remove the grille from the bookshelf speaker.

Two-Way Crossover: The bookshelf speaker employs a high-performance two-way crossover array (2.5kHz) for seamless blending and optimum time alignment of the tweeter & woofer, creating a lifelike soundstage.

5-Way Binding Posts: The bookshelf loudspeaker features 5-way binding posts for a secure connection to your speaker wire. The 5-way binding posts will accept bare wire (up to 10AWG), pin-connectors, spade-connectors, and banana plugs (single or dual). The speaker terminals are color coded for easy identification between positive (red) and negative (black).

Applications & Placement: The Signature S20 bookshelf speakers can be used as front and/or surround speakers in a home theater setup. They can also be used in a simple stereo application. If your AV receiver offers built-in bass management, the S20 should be set to "Small" to filter out low bass frequencies.

  • Placement for Front Speakers: As a pair of front speakers in a home theater or stereo setup, create an equilateral triangle between the speakers and the listening position - with the speakers placed as far apart from one another as the listeners are sitting from them.
  • Placement for Surround Speakers: As surround speakers, the S20 should be placed on a side wall slightly behind and above the listening position. If you cannot place the speakers on the side walls, position them on the rear wall above the listening area.

Mounting Options: The S20 bookshelf loudspeakers come with self-adhesive rubber feet so they will sit safely and securely on your speaker stands or shelf. The included rubber feet add approximately 0.125" to the height of the speaker. The bookshelf speaker does not include any type of provisions for wall-mounting.

Signature Series: Polk designed its Signature Series of loudspeakers to bring a big surround sound and a live music experience into the comfort of your living room at an affordable price. Featuring Hi-Res certification with a new high-resolution Terylene tweeter, redesigned Dynamic Balance drivers, precision crossovers, an anti-diffraction magnetic grille, modern cabinet styling and exclusive Power Port bass enhancing technology, Polk's Signature series loudspeakers deliver crystal clear highs, detailed midrange, and deep bass; plus they look great in almost any decor. The Signature Series by Polk consists of two center-channel speakers, three bookshelf loudspeakers, and three tower speakers.

Note: You may also want to add one of Polk Audio's powered subwoofers (sold separately) for even more bass response.

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Customer Q&A

1 question already asked

Q
How to mount s20 on wall to use it as a rear high speaker in 7.1 setup. Any accessories?
[ sudhir  Feb 03, 2017 ]
1 answer
A
The Polk Audio S20 speakers offer no built-in provisions for wall mounting but you can use "side grip" wall-mount brackets like the Pinpoint AM41: http://www.crutchfield.com/p_121AM41B/item.html I hope that helps. My Bio: https://www.crutchfield.com/Support/Bio.aspx?bio=5
[ Ryan  Feb 16, 2017 ]  Staff

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