Reliable Surround Sound

Featuring a Dynamic Balanced Acoustic Array, the Polk S-20 Hi-Res bookshelf speakers each feature (1) 6.5-inch drivers and (1) 1-inch Terylene tweeters, producing clear vocals and outstanding music for cinematic at home. provide the experience.

Balanced

Dynamically balanced mica-reinforced polypropylene cone with butyl rubber surround,S 20 high-definition terylene tweeter, solid ceramic motor construction, and high-temperature Conex fibre spider combine for extremely high efficiency, clean, sound bass signature-20 by polk, excellent linearity, and low distortion, and higher durability.

Polk Power Port

Polk's patented Power Port Technology diverts the airflow from the speakers to the listening area, minimizing all types of distortion, delivering rich, full sound for movies, TV and music. Delivers deeper bass response.

Deep Bass

Polk's patented Power Port technology delivers a deeper bass response than traditional rear-ported speakers. It gently guides the airflow from the Signature S 20 Bookshelf speakers into the listening area, minimizing turbulence and distortion while delivering deep, extended bass impact.

Hi-Fi Performance

Rich Look

This polk audio signature S-20 channel speaker system gets iconic rounded edges and many details taken from the finest acoustic guitars, Signature Series speakers are thoughtfully designed for clean, stylish looks and high performance.