Polk Audio Signature Series S20 American Hi-Fi Home Theater Large Bookshelf Speakers - Pair (Black)

Powerful Speakers at a Compact Size

Built to bring the big surround sound theater experience into the comfort of your living room the Polk Signature Series continues in the Polk tradition of American Hi-Fi. Featuring Hi-Res certification Dynamic Balance driver design Terylene tweeters mica-reinforced polypropylene cones precision crossovers an anti-diffraction magnetic grille a non-resonant MDF cabinet and exclusive Power Port technology you get elevated sound for movies TV and music in a totally re-imagined design thanks to the Signature Series.

Main Features

• Premium American Hi-Fi home theater bookshelf speaker


• Rich clean full-range sound for music TV and movies with Dynamic Balance designed acoustic array


• 1" high-resolution Terylene tweeter for crystal-clear high-frequency response


• 6.5" mica-reinforced polypropylene cones for clean clear bass better linearity and increased dynamic mid-range


• Exclusive Polk Power Port technology for greater more impactful bass


• High-sensitivity and maximum compatibility with most modestly-powered amplifiers and receivers


• Two-way cascading crossover array for more life-like soundstage


• Anti-diffraction magnetic grille to minimize sonic interference


• Gold plated 5-way binding posts for easy setup


• Limited five-year warranty

New Dynamic Balance Acoustic Array

Whether upgrading your home theater setup with an advanced Atmos configuration or enjoying your favorite music Dynamic Balance ensures a rich clean full-range sound no matter what you're listening to. This patented technology eliminates issues that reduce speaker performance.

High-Resolution Audio Performance

Polk's newly-designed Terylene dome tweeter delivers clear and detailed high-frequency response for realistic reproduction of vocals and instruments. Certified and capable of delivering 40kHz to support the latest high resolution audio files so it feels like you're right there in the studio or concert hall.

Custom Mid-Range Drivers

Mica-reinforced polypropylene cones with butyl rubber surrounds four-layer voice coils massive ceramic motor structures and high-temperature Conex fiber spiders combine to create drivers of exceptionally high efficiency resulting in clean clear bass better linearity lower distortion and greater durability.

Power Port Deep Bass Technology

Power Port is Polk's patented design that smoothly transitions the air flow from the speaker's port into your listening area. It also extends the overall bass port providing great surface area to eliminate turbulence and distortion for bigger more musical deep bass impact. Plus it offers 3dB more bass response output than a traditional port.

High Sensitivity and Maximum Compatibility

Works with the most modestly-powered amplifier or receiver. Whether you're connecting them to the newest digital processor or your vintage rig you get sound reproduction that's spacious clear enveloping and realistic. It's also compatible with latest Dolby and DTS surround sound technologies.

Quality Crafted Cabinet Design

Strong rigid and acoustically inert enclosure reduces unwanted internal standing waves for less audible coloration. And non-resonant Meddite MDF construction with extra bracing and minimum thick baffles ensures a more life-like sound.

Timbre-Matched

Designed with the same components throughout to achieve seamless speaker-to-speaker blending effects in multi-channel systems.

Limited Warranty