Polk Signa S3



  Surround Bar System with wireless subwoofer, 280W, WiFi, Bluetooth ,Google Assistant and Chromecast with 4K and 8K TV

The low-profile Signa S3 sound bar delivers an incredible, room-filling home theater experience. Built to work with any HD, 4K and 8K TV via HDMI ARC, the Signa S3 is easy to set up and can be controlled with a single remote. Features Polk-patented Voice Adjust technology for clear dialogue, and Dolby Digital decoding for immersive, performance-tuned surround sound. Comes equipped with a wireless subwoofer for deep bass impact. Plus, stream your favorite music with Chromecast built-in and Google Play Music, Amazon Music HD, Apple Music, Roon, Qobuz, Spotify, Tidal and many more.

Key Features

  • Make virtually any TV sound incredible
    Works with virtually any television, including 8K and 4K televisions and their remote controls
  • Performance-tuned surround sound
    Performance-tuned driver array and Dolby Digital 5.1 decoding create incredible room-filling surround sound
  • Hear every word
    Customize the voice levels in the sound bar with Polk Voice Adjust technology for clear, crisp dialogue
  • Hi-Res music streaming
    Use Google Chromecast for audio to stream music from your favorite apps over Wi-Fi


  • Performance-Tuned Surround Sound
    Performance-tuned 2.1 channel driver array and Dolby Digital 5.1 decoding create incredible room-filling virtual surround sound, from a compact low-profile sound bar and wireless subwoofer
  • Polk Patented Voice Adjust Technology
    Hear every word. Choose from three distinct levels to reproduce clear, crisp dialogue and never miss a single word of your favorite movie, TV show or sporting event
  • Google Chromecast Built-in
    Use Google Chromecast for audio to stream music from your favorite apps including Google Play Music, YouTube Music, Amazon Music HD, Spotify, Tidal, Pandora, Deezer, Qobuz, iHeart Radio and more over Wi-Fi. With a Google Home speaker
  • Works with Google Assistant
    Use your voice and Google Assistant to control your music ” play, pause and adjust volume. Use the Google Home app to group it with other Chromecast-enabled speakers to play music throughout your home. Google Home speaker sold separately
  • Universal TV Compatibility
    Works with any brand of HD, 4K and 8K TV via HDMI ARC – HDMI cable included
  • One Remote for Your TV and Sound Bar
    Signa S3 automatically works with Samsung, LG, Vizio, TCL and Sony TV remotes to control volume as well as most CEC enabled TVs
  • Fits Most Spaces
    Wall mount or use on a tabletop. The Signa S3 is even narrow enough to sit on a mantel
  • Movie and Music Modes
    One-button preset EQ settings for movies and music optimize the sound bar and subwoofer to ensure clear dialogue, immersive surround sound and deep bass impact. Enjoy the best audio and home theater experience for all your entertainment
  • Night Mode
    Hear it all, without disturbing others in your home. Use Night Mode to lower the bass and increase Voice Adjust for clear dialogue, all without raising the master volume
  • Easy Setup
    Includes HDMI and optical cables for quick and easy set-up
  • Low-Profile Design
    At 2″ tall, the Signa S3 won”t block your TVs bottom edge or IR remote sensor
  • Bluetooth Music Streaming
    Connect and play music directly from your smartphone, tablet or other compatible device
  • Wireless Subwoofer
    Paired with the sound bar, the included wireless subwoofer reproduces deep bass impact you can feel for all your home theater and music needs


Audio FormatsDolby Digital 5.1
Optical Digital InputYes
Coaxial Digital InputNo
HDMI InputYes
Remote Control IncludedYes
Wireless SubwooferYes
Analog InputNo
Tweeter(s)2 x 1″ d (Round) Tweeters
Midrange(s)2 x 1.25″ h x 4.4″ w (Oval)
Woofer(s)1 x 5.25″ d (Round) Subwoofer
Dolby AtmosNo
ConnectivityHDMI (ARC), Optical, Bluetooth, AUX 3.5mm
Frequency Response45Hz – 20kHz
Enclosure TypePorted
In the BoxRemote control, 1 x 5″ (1.5m) HDMI cable, 5″ (1.5m) Optical Cable, Quick Start Guide

Approximate Dimensions

Soundbar Height (in)2.15
Soundbar Width (in)35.43
Soundbar Depth (in)3.22
Subwoofer Height (in)13.4
Subwoofer Width (in)6.72
Subwoofer Depth (in)12.2

Approximate Weight

Shipping Weight (lbs.)19

Warranty Information

Parts Warranty1 Year
Labor Warranty1 Year

Polk Audio


Surround Bars

Product Type

Surround Bar

Fill your home with the big, clear sound of Polk speakers and elevate your favorite movies, TV shows, sports games, music, and more
SKU: signas3 Category: