Polk Audio Signature S15 Home Theater Bookshelf Speakers – Pair


$359.99 $189.99 (Sale ends on Jun 20, 2019)

Polk Audio Signature S15 Home Theater Bookshelf Speakers – Pair

These Polk Audio Signature S15 are Priced And Sold As A Pair

  • 5.25” low distortion mica-reinforced polypropylene cones
  • Polk Power Port for greater, more impactful bass
  • Dynamic Balance designed acoustic array
  • 1” high-resolution Terylene tweeter

In stock

SKU: S15 (PR) Category:

Frequently Bought Together

Polk Audio Signature S15 + Polk Audio Signature S30
Price for both:   $429.98

Product Description

Polk Audio Signature S15 Home Theater Bookshelf Speakers – Pair

These Polk Audio Signature S15 are Priced And Sold As A Pair

The Polk Audio Signature S15 bookshelf speakers serve up clean, accurate sound, making them a great choice for today’s high-resolution digital music or for use in a surround sound system. With their curved edges and attractive black finish, these stylish speakers look great in every room.

Built for smooth sound

The Polk Audio Signature S15’s 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 5-1/4″ 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.

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 Audio Signature S15 bookshelf loudspeaker incorporates a Dynamic Balance two-way driver array with one 1″ tweeter and one 5.25″ woofer.

Hi-Res 1″ Terylene Tweeter

The Polk Audio Signature S15 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.

5.25″ Mica-Reinforced Polypropylene Woofer

The Polk Audio Signature S15 bookshelf speaker employs one 5.25″ 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 Polk Audio Signature S15 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 Polk Audio Signature S15 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 Polk Audio Signature S15 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 S15 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 Speaker

As surround speakers, the Polk Audio Signature S15 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 Polk Audio Signature S15 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 speakers also have a keyhole slot bracket on the back panel, allowing the speakers to be mounted on the wall using optional mounting screws (sold separately). A wall-mount template is provided to assist you.

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.

Additional Information


– Enclosure Bass Reflex
– Video Shielded No
– Tweeter Type Dome
– Tweeter Size (inches) 1
– Midrange Size (inches) N/A
– Woofer Size (inches) 5.25
– Woofer Composition Mica-reinforced polypropylene
– Woofer Surround Butyl rubber
– Power Range 20-100
– Sensitivity 88 dB
– Impedance (Ohms) 8
– Frequency Response 50-40k Hz
– Connector Type 5-way post
– Bi-amp Inputs No
– Height (inches) 12-1/16
– Width (inches) 7-9/16
– Depth (inches) 10-1/4
– Weight (pounds) 13
– Mounting Bracket Included Keyhole
– Recommended Stand Height (inches) 24-30

Choose One

Pair of Speakers



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