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Polk Audio Signa S3 Sound Bar for TV & Wireless vs Sonos Beam G2 Soundbar + Sub Mini Subwoofer - Black

Updated August 2026 — Polk Audio Signa S3 Sound Bar for TV & Wireless wins on width, Sonos Beam G2 Soundbar + Sub Mini Subwoofer - Black wins on subwoofer size and height.

The Polk Audio Signa S3 offers great value and features at a lower price, while the Sonos Beam G2 provides superior sound quality for a premium experience.

Why Polk Audio Signa S3 Sound Bar for TV & Wireless is better

Price

Significantly cheaper at $349.00

Setup

Includes HDMI and optical cables for easy connection

Streaming

Built-in Chromecast for versatile streaming options

Why Sonos Beam G2 Soundbar + Sub Mini Subwoofer - Black is better

Sound Quality

Richer audio experience with Sub Mini

Brand Reputation

Higher sales rank indicates premium preference

Design

Sleek modern aesthetic complements home decor

Overall score

Polk Audio Signa S3 Sound Bar for TV & Wireless
75
Sonos Beam G2 Soundbar + Sub Mini Subwoofer - Black
85

Specifications

SpecPolk Audio Signa S3 Sound Bar for TV & WirelessSonos Beam G2 Soundbar + Sub Mini Subwoofer - Black
Price$349.00$998.00
Sales Rank38182776
Voice AdjustYesNo
BluetoothYesNo
WiFi StreamingChromecastSonos App

Dimension comparison

Polk Audio Signa S3 Sound Bar for TV & WirelessSonos Beam G2 Soundbar + Sub Mini Subwoofer - Black

Design and Build Quality

The Polk Audio Signa S3 features a low-profile design, making it an excellent choice for those with limited space. Standing at just 2 inches tall, it can easily fit in front of most TVs without obstructing the screen or IR remote signals. In contrast, the Sonos Beam G2, while also compact, focuses on a sleek and modern aesthetic that complements contemporary home decor. Both soundbars are designed to be wall-mounted or placed on a shelf, but the Signa S3's ultra-slim profile gives it an edge in tighter setups. The Sonos Beam G2's subwoofer, known as the Sub Mini, enhances the overall sound experience but comes at a premium.

Sound Performance

When it comes to audio quality, the Polk Audio Signa S3 offers a 2.1 channel sound system with dedicated drivers and a wireless subwoofer, delivering room-filling surround sound. It is equipped with Polk’s exclusive Voice Adjust technology, which optimizes dialogue clarity, making it ideal for watching movies and sports. The Sonos Beam G2, on the other hand, is designed to excel in smaller to medium-sized rooms, offering balanced sound that enriches both TV and music experiences. Despite its higher price, the Beam G2 promises a richer audio experience, especially with its Sub Mini, which optimizes the lower frequencies for deeper bass.

Connectivity Options

The Polk Audio Signa S3 is highly versatile in its connectivity options, featuring HDMI ARC, optical input, and a 3.5mm jack, making it compatible with a wide array of devices. Additionally, it supports Bluetooth and has built-in Chromecast, allowing for seamless streaming from various apps. In comparison, the Sonos Beam G2 primarily utilizes WiFi for connectivity and also supports Apple AirPlay 2, along with integration into the Sonos ecosystem. While both soundbars allow for easy setup with existing TV remotes, the Signa S3’s variety of wired connections may appeal to users with multiple devices.

Price and Value

The Polk Audio Signa S3 is priced at $349.00, which is significantly lower than the Sonos Beam G2, priced at $998.00. This makes the Signa S3 about 65% cheaper, providing substantial savings for consumers looking for a quality soundbar without breaking the bank. With its excellent sound performance and features, the Signa S3 offers great value for its price. The Sonos Beam G2, while more expensive, targets a different market segment, emphasizing premium build quality and superior sound performance, particularly when paired with its Sub Mini.

Usability and Setup

Both soundbars are designed for easy setup, but the Polk Audio Signa S3 may have a slight edge in terms of compatibility. It includes HDMI and optical cables in the package, making it quick to connect to various TVs. Furthermore, the Signa S3 can be controlled using a single remote, simplifying the user experience. The Sonos Beam G2 also promotes a straightforward setup process through the Sonos app, which allows for syncing with existing remotes. However, users may find the reliance on WiFi for streaming slightly less intuitive if they are accustomed to traditional wired connections.

Streaming Capabilities

The Polk Audio Signa S3 stands out with its built-in Chromecast feature, allowing users to stream music directly from their favorite apps like Spotify and Apple Music. This flexibility enhances its functionality, especially for users who enjoy streaming content. The Sonos Beam G2 also supports extensive streaming options through the Sonos app and various music services, but it primarily relies on WiFi, which may not be as straightforward for all users. Both soundbars offer excellent streaming capabilities, but the Signa S3's Chromecast support adds a layer of convenience for many users.

Brand Reputation and Customer Feedback

Polk Audio has established itself as a reputable brand in the audio industry, with the Signa S3 currently holding a sales rank of 3,818. This indicates a solid level of popularity among consumers. Meanwhile, the Sonos Beam G2 boasts a better sales rank of 2,776, suggesting that it may be favored among users looking for a premium experience. Both brands are well-regarded, but Sonos often garners praise for its advanced technology and sound quality, which may justify its higher price point for some consumers.

Which should you buy?

Choosing between the Polk Audio Signa S3 and the Sonos Beam G2 ultimately depends on your specific needs and budget. If you're looking for a cost-effective soundbar with excellent features and performance at a lower price point, the Signa S3 is a fantastic option at $349.00. However, if you prioritize superior sound quality, particularly in smaller rooms, and are willing to invest more in your audio experience, the Sonos Beam G2 at $998.00 offers a premium choice. Consider your space, usage, and budget to make the best decision for your home entertainment setup.