• Home
  • Polk Audio Signa S3 Sound Bar with Wireless Subwoofer and Chromecast Built-In

NEW Polk Audio Signa S3 Sound Bar with Wireless Subwoofer and Chromecast Built-In

Polk AudioPart # 243-644
Model: Signa S3
Read 36 Reviews or

The Polk Audio Signa S3 is a sleek 2.1-channel sound bar system paired with a wireless subwoofer, designed to upgrade your TV audio with immersive room-filling sound and smart streaming capabilities. It’s built for simplicity and performance, compatible with any HD, 4K or 8K TV and controlled by a single remote.

Key Features

  • Performance-tuned 2.1 driver array with wireless subwoofer for deep bass impact
  • HDMI ARC, optical and AUX inputs ensure compatibility with any TV setup
  • Built-in Google Chromecast and Bluetooth for streaming music from apps and mobile devices
  • Polk-patented Voice Adjust technology offers three levels of dialogue clarity
  • Low-profile design fits in front of TVs or wall-mounted without blocking IR sensors
  • Dolby Digital decoding for immersive surround-style audio from the sound bar
  • One-remote control integration works with most Samsung, LG, Vizio, TCL and Sony TVs
NEW $349.00
+ FREE SHIPPING
Bulk Pricing
In Stock
Get Notified When Available

We'll send you an email when Polk Audio Signa S3 Sound Bar with Wireless Subwoofer and Chromecast Built-In is back in stock or available for preorder.

Ships next business day. Details
Free Shipping available on orders over $99.00 in the US. Details
60 Day No Hassle Return Policy

Overview

Polk Audio Signa S3 Sound Bar with Wireless Subwoofer and Chromecast Built-In

Polk Audio Signa S3 Sound Bar with Wireless Subwoofer and Chromecast Built-In

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, Deezer, Qobuz, and more over Wi-Fi. Works seamlessly with a Google Home speaker for convenient voice control.

Polk Patented VoiceAdjust™ 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.

Works with Google Assistant

Control your music with your voice using Google Assistant. Play, pause, or adjust the volume with simple commands. Use the Google Home app to group it with other Chromecast-enabled speakers and enjoy synchronized music throughout your home. Google Home speaker sold separately.

Bass you can Feel

When paired with the sound bar, the included wireless subwoofer delivers deep, impactful bass that you can feel, enhancing both your home theater and music experiences.

All the Details

Bluetooth Music Streaming

Connect and stream music directly from your smartphone, tablet, or other compatible device.

Low-Profile Design

At just 2" tall, the Signa S3 sits neatly in front of your TV without blocking the screen’s bottom edge or interfering with the IR remote sensor.

Easy Setup

Includes HDMI and optical cables for fast, hassle-free setup.

Never Miss A Memorable Moment Again

Polk’s patented VoiceAdjust™ speech-clarifying technology lets you boost and refine dialogue while keeping the rest of the soundtrack perfectly balanced.

Learn More

Engineered to maximize 5.1 Dolby Digital decoding, delivering spacious, room-filling virtual surround sound whenever you want it.

Connect and stream music directly from your smartphone, tablet, or any other compatible device.

Use Google Chromecast for audio to stream music over Wi-Fi from your favorite apps, including Google Play Music, YouTube Music, Amazon Music HD, Spotify, Tidal, Pandora, Deezer, Qobuz, iHeartRadio, and more.

Google Home and other devices with Google Assistant built-in let you control content throughout your listening space. Ask your Google Assistant to adjust volume, play, pause, skip tracks, and more.

The HDMI input and output include Audio Return Channel (ARC) for a single-cable connection between the sound bar and your TV. It also supports 4K with HDCP 2.2, Dolby Vision, and HDR10.

Use Polk VoiceAdjust technology to fine-tune vocal levels from the sound bar for clear, easy-to-understand dialogue.

One-button presets let you easily switch between movie and music modes, along with a Night Mode option so you can enjoy late-night binge-watching without disturbing neighbors or family.

Comparing the Signa Series

Signa S2 Signa S3Signa S4
Dolby Digital & DTS Virtual SurroundDolby Digital & DTS virtual surround3D Audio with Dolby Atmos
BluetoothBluetooth & WiFi with Google ChromecastBluetooth
35.4" x 3.3" x 2.2"35.4" x 3.3" x 2.2"41.2" x 3.7" x 2.4"
Simple upgrade to TV sound for small-to-medium roomsSeamless upgrade to TV sound for small-to-medium rooms for Chromecast users.Seamless 3D audio upgrade to TV sound for medium-to-large rooms.

Specifications

  • Inputs: HDMI ARC, Toslink Optical input for TV audio—AUX 3.5mm, Chromecast built-in and Bluetooth
  • Drivers: (2) 1.25” x 4.4” (32 x 112mm) full-range oval drivers, (2) 1” (25mm) tweeters
  • Subwoofer: 5.25” (165mm) ported wireless subwoofer
  • Frequency Response: 45Hz-20Khz

  • What’s in the Box:
    -Remote control and batteries
    -Optical cable
    -HDMI cable
    -Two power cords and sound bar power supply
    -Quick Start Guide
    -Registration card
  • Sound Bar and Subwoofer Dimensions
    -Bar: 35.37" W x 2.12" H x 3.25" D (898mm W x 56mm H x 83mm D)
    -Sub: 7.4” W x 14.5” H x 14.4” D (171mm W x 311mm H x 343mm D)

Product Details

BrandPolk Audio
ModelSigna S3
Part Number243-644
UPC747192131920
Unit of MeasureEach
Weight19

Product Specifications

ColorBlack
Configuration2.1 System
Woofer Diameter1.25"
Special FeaturesBluetooth

Specifications

Q&A

Reviews

Manuals & Resources

California Prop 65

WARNING: Cancer and Reproductive Harm

www.P65Warnings.ca.gov