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Polk Audio Signa S3 Ultra Slim TV Sound Bar Review

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By Best Choice team
Checked icon Last updated - March 12, 2026
8.7

Verdict overview

  • worth the money 8.1
  • audio quality 9.1
  • Bluetooth connection 9.3
  • Remote Control 8.4
Pros
  • The soundbar is ultra slim and has a wireless subwoofer for great sound
  • Voice Adjust Technology and Dolby Digital 5.1 Decoding help with sound clarity and reducing voice delays
  • With numerous connection possibilities, you can easily connect any audio source
Cons
  • Possible setup issues.

Tech specs

audio output modeSurround
colorBlack
subwoofer diameter5.25 Inches
controller typeVoice Control
number of items2
included componentsRemote control and batteries, Registration card, HDMI cable, Optical cable, Two power cords and sound bar power supply, Quick Start Guide
surround sound channel configuration5.1
wireless communication technologyBluetooth
water resistance levelNot Water Resistant
speaker maximum output power80 Watts
unit count1.0 Count
connectivity protocolBluetooth, Wi-Fi
product dimensions3.22D x 35.43W x 2.15H
item weight18.92 pounds
age range descriptionAdult
control methodRemote, Voice
materialPlastic
power sourceAC
speaker size2 Inches
is waterproofFALSE
mounting typeWall Mount
frequency response24 Hz
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Product Overview

If you are looking for an ultra slim soundbar that delivers deep bass and incredible room filling sound, then the Polk Audio Signa S3 is the perfect choice. This soundbar comes with a wireless subwoofer, two 1.25 x 4.4 oval mid range drivers, and two 1 tweeters that provide excellent audio quality. The advanced Voice Adjust technology and Dolby Digital 5.1 decoding also optimize sound clarity and reduce voice delays.

The Polk Audio Signa S3 is on par with any mid to high range soundbar available in the market, yet it is only 2 inches tall, so it will fit in most spaces. Plus, you can easily wall mount it or place it in front of your TV without blocking the bottom edge or IR remote sensor. It also has a variety of connection possibilities so you can plug in any audio source via HDMI ARC, optical input, and 3.5mm audio jack.

Furthermore, this soundbar allows you to stream music wirelessly from your favorite streaming apps like Pandora, Spotify, TuneIn, etc., via Bluetooth or Google Chromecast over WiFi with your Google Home speaker. Setting up this soundbar is also simple all you need to do is plug in the HDMI and optical cables to quickly connect the TV and subwoofer to the soundbar.

The Polk Audio Signa S3 offers great value for money as well as outstanding performance and quality. It s perfect for watching movies on your 4K or 8K HD Smart TV with exceptional picture quality and clear sound. I highly recommend this product if you want an easy way to upgrade your home theater surround sound system without breaking the bank.

Where to buy:

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Frequently asked questions

  • How does this soundbar provide sound quality?Arrow icon
  • Can it be wall mounted?Arrow icon
  • How do I connect this soundbar to my TV?Arrow icon
  • How can I control this soundbar?Arrow icon
  • What are the dimensions and weight of this soundbar?Arrow icon

The secret behind our reviews

By Best Choice team

Best Choice Team is your go-to source for curated product recommendations across various categories. Leveraging years of industry experience and advanced AI technology, we analyze data from multiple sources to bring you the most relevant and up-to-date product lists.

Our AI-driven approach allows us to streamline the selection process, ensuring that the products we feature align with current market trends and consumer preferences. We aim to provide content that helps you navigate your purchasing decisions with greater ease.

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87% of reviewers would recommend to a friend, Based on 46,730 Reviews

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