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Polk Audio Signa S4

Powered 3.1.2-channel sound bar and wireless subwoofer system with Bluetooth® and Dolby Atmos®

Item # 107SIGNAS4

The Signa S4 is a value-packed sound bar system, delivering immersive Dolby Atmos sound at an attractive price point.

The Signa S4 is a value-packed sound bar system, delivering immersive Dolby Atmos sound at an attractive price point.

Rachel
Need help?
Contact our Virginia-based experts.

Item # 107SIGNAS4

Ships free

Temporarily out of stock Why?

Ship date unknown

$399.00
Rachel
Need help?
Contact our Virginia-based experts.

About the Polk Audio Signa S4

A value-packed Dolby Atmos bar

With their Signa 4 system, Polk focused on delivering detailed, immersive home theater at a reasonable price. The bar has seven built-in drivers, including two dedicated height channels for immersive overhead effects.
Polk Audio Signa S4 powered 3.1.2-channel sound bar and wireless subwoofer system with Dolby Atmos

The Polk Audio Signa S4 provides cinematic 3.1.2-channel surround sound and convenient wireless streaming with Bluetooth.

A value-packed Dolby Atmos bar

With their Signa 4 system, Polk focused on delivering detailed, immersive home theater at a reasonable price. The bar has seven built-in drivers, including two dedicated height channels for immersive overhead effects.

Pass Dolby Atmos from a compatible TV

With support for eARC (enhanced Audio Return Channel), the Signa S4 can receive uncompressed audio signals — including Dolby Atmos — from an eARC-equipped TV. This gives you powerful 3D sound without filling your house with speakers and running wire across the room. It can even upmix standard audio signals to create a virtual Atmos experience, so you can enjoy an expanded soundscape no matter what you're watching.

Connect with Bluetooth

If you want to chill and listen to music, this bar has you covered with built-in Bluetooth. You can wirelessly stream your favorite tunes from your phone directly to the sound bar.

Long day and need a little time to decompress? You're just a couple swipes from AURORA's "Running with the Wolves" — and that always seems to make me feel a little more wild and free than when I started.

Don't miss the quiet moments

Quiet conversations can sometimes get lost in the mix of a movie or game's soundtrack. We've all strained our ears at some point to catch important lines. The Signa S4 has a dedicated center channel to bring conversations front and center. And Polk's VoiceAdjust™ technology lets you further boost voice levels to make sure you're consistently getting clear, intelligible dialogue.

Deep, no-hassle bass

The included subwoofer connects wirelessly to the sound bar for easy placement and setup. Just turn it on and hit "Connect" on the back of the sub. With a ported cabinet that delivers extended bass, this sub helps bring the rumble to your favorite movies and games.

Easy to control

The sound bar includes a remote with simple, intuitive controls. But it's also pre-programmed to work with most TV remotes currently on the market. No scrambling for the right remote — you can just use the one already in your hands.

The bar's preset sound modes also help you make quick adjustments with the press of a button. There are presets for movies, music, and watching TV at night when the kids are down for the count.

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Product highlights:

  • sound bar and wireless subwoofer
  • 3.1.2-channel sound with support for Dolby Atmos
  • built-in Bluetooth for wireless music streaming from compatible smartphones, tablets, and computers
Sound bar:
  • built-in seven-driver speaker-array:
    • two midrange drivers and two tweeters
    • dedicated full-range center channel
    • two up-firing drivers for overhead effects
  • Polk VoiceAdjust technology boosts the volume of voices for crystal-clear dialogue
  • Night Mode lowers bass output and increases VoiceAdjust without raising the overall volume
  • easy-access top-panel controls
  • wall-mountable
  • 41-3/16"W x 3-3/4"H x 2-3/8"D
Subwoofer:
  • 5.9" down-firing woofer
  • bass-reflex (ported) cabinet design
  • connects wirelessly to sound bar for easy placement
  • AC power connection required (power cable included)
Connections:
  • 1 HDMI port (cable included)
    • supports enhanced Audio Return Channel (eARC)
  • optical digital audio input (cable included)
  • 3.5mm analog audio input
  • USB-A input for firmware updates
General info:

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More details on the Polk Audio Signa S4

Stacey B.

Features & specs

General
Design Bar
Amplification ---
Separate Subwoofer Yes
Wireless Surrounds ---
Number Of Channels 3.1.2
Surround Formats
Dolby Digital No
DTS No
Dolby Atmos Yes
DTS:X No
Audio Enhancements
Dialogue Enhancement Yes
Auto Volume ---
Virtual Surround ---
Audio Connections
Optical Digital Inputs 1
Coaxial Digital Inputs ---
HDMI ARC Input Yes
HDMI eARC Input Yes
3.5mm Stereo Analog Inputs 1
RCA Stereo Analog Inputs ---
USB Type-A Input No
Subwoofer Output --
Audio Specs
Tweeter ---
Midrange ---
Woofer ---
Subwoofer Driver 6" cone
Enclosure Bass Reflex
System Frequency Response ---
Sound Bar RMS Power ---
Subwoofer RMS Power ---
Video Connections
HDMI Inputs 1
HDMI Outputs ---
Video Specs
HDMI Video Pass-through Resolution ---
HDR Video Compatible ---
Control
Includes Remote Yes
Voice Control No
Control by App ---
HDMI CEC ---
Remote IR Passthrough No
Learns TV Remote ---
Audio Streaming
Bluetooth Connectivity Built-in
Apple AirPlay ---
Chromecast built-in ---
Files on Your Network No
Wi-Fi Networking
Built-in Wi-Fi Version ---
Bands ---
Other Info
Wall-mountable Yes
Mounting Bracket Included ---
Sound Bar Size (inches) 3-3/4H x 41-3/16W x 2-3/8D
Sound Bar Weight Not Given
Subwoofer Size (inches) ---
Subwoofer Weight Not Given
Speaker Parts Warranty 1 Year
Speaker Labor Warranty 1 Year
Amplifier Parts Warranty 1 Year
Amplifier Labor Warranty 1 Year

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