Signa Series

Signa Series brings Polk’s signature high-performance audio to your living room at a great value and with easy set-up that everyone can love. Enjoy your favorite movies, TV, and games in award-winning surround sound with powerful, effortless bass. Plus, stream music via Bluetooth.
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Dolby Atmos 3.1.2 Sound Bar with wireless Subwoofer
Sound Bar with wireless Subwoofer and Chromecast built-in
Sound Bar with wireless Subwoofer

Rolling Stone's Sound Bar of the Year

Polk's Signa S4 has earned recognition from Digital Trends, Sound & Vision, Rolling Stone and others thanks to its stunning sound and at a surprising value. Features an advanced seven-driver true Dolby Atmos array, Polk VoiceAdjust®, Bluetooth Music Streaming and more. 

60 days risk-free

Try any product for 60 days and if you don’t love it, return it for a full refund. We’ll even pay for shipping.

Free Shipping

Free and fast shipping on all products, direct from Polk.

50 Year Legacy

For over 50 years we've been providing exceptional sound experiences.

Engineered in Baltimore

We're proud to be part of Baltimore for over five decades.