Polk Audio Signa S3 Sound Bar for TV & Wireless vs Roku Wireless Speakers - Set of 2
Updated August 2026 — Polk Audio Signa S3 Sound Bar for TV & Wireless wins on width and weight, Roku Wireless Speakers - Set of 2 wins on height.
The Polk Audio Signa S3 offers superior audio performance and versatility compared to the Roku Wireless Speakers, making it the better choice for most users.
Why Polk Audio Signa S3 Sound Bar for TV & Wireless is better
Audio Quality
Polk's dedicated subwoofer provides deeper bass.
Connectivity
Signa S3 has more versatile connectivity options.
Smart Features
Built-in Chromecast and Google Assistant enhance usability.
Why Roku Wireless Speakers - Set of 2 is better
Price
Roku speakers are significantly cheaper.
Setup
Easier setup with Roku devices.
Compactness
Roku speakers can be placed anywhere without blocking TV.
Overall score
Specifications
| Spec | Polk Audio Signa S3 Sound Bar for TV & Wireless | Roku Wireless Speakers - Set of 2 |
|---|---|---|
| Price | $349.00 | $149.29 |
| Sales Rank | 3818 | 4245 |
| Bluetooth | Yes | Yes |
| Voice Control | Yes | No |
| Setup Type | Wired/Wireless | Wireless |
Dimension comparison
Overview
In this article, we compare the Polk Audio Signa S3 Sound Bar and the Roku Wireless Speakers. The Polk Audio Signa S3 is priced at $349.00, while the Roku Wireless Speakers retail for $149.29, making the Roku option about 57% cheaper. Both products aim to enhance your audio experience, but they cater to different needs and setups.
Design and Build Quality
The Polk Audio Signa S3 features a low-profile design that stands just 2 inches tall, allowing it to fit seamlessly beneath your TV without obstructing the screen. This sound bar comes with a wireless subwoofer that adds depth to the audio experience. The Roku Wireless Speakers, sold as a set of two, are designed to integrate with Roku TV and audio systems, providing a sleek, modern look. While both products are designed with aesthetics in mind, the Signa S3 offers a more compact solution for those needing a sound bar, while the Roku speakers require a compatible setup to function correctly.
Audio Performance
When it comes to audio performance, the Polk Audio Signa S3 shines with its 2.1 channel configuration, featuring two mid-range drivers and two tweeters, alongside a powerful 5.25-inch subwoofer. This setup delivers clear dialogue and room-filling surround sound, supported by features like Dolby Digital 5.1 decoding and Polk’s Voice Adjust technology. In contrast, the Roku Wireless Speakers provide an immersive audio experience specifically tailored for Roku devices, producing clear highs and dynamic bass. While the Roku speakers are effective for enhancing TV sound, the Signa S3’s dedicated subwoofer gives it a notable edge in delivering deeper bass.
Connectivity Options
The Polk Audio Signa S3 offers multiple connectivity options, including HDMI ARC, optical input, and a 3.5mm jack, ensuring compatibility with a variety of devices. Additionally, it features Bluetooth and built-in Chromecast for easy streaming from smartphones and tablets. The Roku Wireless Speakers, however, are limited to pairing with Roku TVs and compatible audio devices. They do provide Bluetooth streaming capabilities but lack the extensive connectivity options of the Signa S3. This makes the Polk sound bar a more versatile choice for users with different audio devices.
Setup and Usability
Setting up the Polk Audio Signa S3 is straightforward, thanks to included HDMI and optical cables that facilitate quick connections to your TV. The sound bar can be controlled with a single remote, simplifying the user experience. The Roku Wireless Speakers also boast an easy wireless setup, connecting seamlessly to Roku devices with just a few steps. However, the reliance on Roku-specific hardware may complicate matters for users with diverse audio systems. For those who want a more universal solution, the Signa S3 is the better option.
Streaming and Smart Features
The Polk Audio Signa S3 excels in smart features, allowing users to stream music directly from popular apps like Spotify, Apple Music, and more through built-in Chromecast. Additionally, it offers voice control through Google Assistant, making it a smart addition to any home. The Roku Wireless Speakers, while providing Bluetooth streaming, are primarily designed to enhance Roku TV audio rather than serve as standalone smart speakers. This difference highlights the Signa S3 as the more multifunctional device for users who appreciate smart home integration.
Price Comparison
The Polk Audio Signa S3 is priced at $349.00, while the Roku Wireless Speakers come in at $149.29. This price difference of approximately $199.71 means the Roku option is significantly more budget-friendly, at about 57% less than the Polk sound bar. However, the higher price of the Signa S3 reflects its advanced features, such as a dedicated subwoofer and broader connectivity options, which may justify the investment for serious audiophiles.
Best Seller Ranking
The Polk Audio Signa S3 currently holds a sales rank of 3818, while the Roku Wireless Speakers have a rank of 4245. Both products are popular among consumers, but the Signa S3’s slightly higher rank suggests it may be a more favored choice among buyers seeking quality sound bars. This ranking can often indicate customer satisfaction, making it a valuable consideration when choosing between these two products.
Which should you buy?
Choosing between the Polk Audio Signa S3 and the Roku Wireless Speakers ultimately depends on your specific audio needs and setup. If you are looking for a versatile sound bar that enhances TV audio while providing a rich music streaming experience, the Polk Audio Signa S3 is the better choice, despite its higher price. However, if you already own a Roku TV or audio system and prefer a more budget-friendly option that integrates seamlessly, the Roku Wireless Speakers are an excellent alternative.

