LG S40TR 4.1 ch. Home Theater Soundbar with Rear vs Polk Audio Signa S2 Sound Bar for Smart TV with Subwoofer
Updated July 2026 — LG S40TR 4.1 ch. Home Theater Soundbar with Rear wins on sound and user control, Polk Audio Signa S2 Sound Bar for Smart TV with Subwoofer wins on price and design.
The LG S40TR offers better value and immersive sound features, while the Polk Audio Signa S2 excels in design and dialogue clarity.
Why LG S40TR 4.1 ch. Home Theater Soundbar with Rear is better
Price
LG S40TR is $196.99, cheaper than Polk Audio Signa S2 at $249.00.
Sound Quality
LG S40TR features Dolby Digital and DTS for immersive sound.
Wireless Setup
LG S40TR includes wireless rear speakers for easy setup.
Why Polk Audio Signa S2 Sound Bar for Smart TV with Subwoofer is better
Design
Polk Audio Signa S2 has an ultra-slim profile.
Dialogue Clarity
Polk Audio Signa S2 features VoiceAdjust technology.
Brand Reputation
Polk Audio is known for high-quality audio solutions.
Overall score
Specifications
| Spec | LG S40TR 4.1 ch. Home Theater Soundbar with Rear | Polk Audio Signa S2 Sound Bar for Smart TV with Subwoofer |
|---|---|---|
| Channels | 4.1 | 2.1 |
| Subwoofer | Wireless | Wireless |
| Bluetooth | Yes | Yes |
| Voice Technology | No | Yes |
| Sales Rank | 1825 | 3206 |
Dimension comparison
Price Comparison
When it comes to price, the LG S40TR is the more economical choice, retailing at $196.99, while the Polk Audio Signa S2 is priced at $249.00. This makes the LG model about 21% cheaper than its competitor. For those on a budget, this price difference may be a significant factor in the decision-making process. The sound quality and features offered by both soundbars justify their respective price points, but the LG S40TR provides a more cost-effective solution for consumers looking for quality audio without breaking the bank.
Sound Quality
Both the LG S40TR and the Polk Audio Signa S2 are designed to enhance your audio experience, but they do so with different technologies. The LG S40TR features Dolby Digital and DTS compatibility, delivering a cinematic sound experience with its 4 channels and a wireless subwoofer. The inclusion of rear surround speakers further enhances the immersive audio experience. In contrast, the Polk Audio Signa S2 employs Dolby Digital decoding and its exclusive VoiceAdjust technology to ensure clear dialogue and rich sound. While both soundbars deliver impressive audio, the choice may depend on whether you prioritize immersive surround sound or vocal clarity.
Design and Aesthetics
In terms of design, the Polk Audio Signa S2 boasts an ultra-slim profile at just over 2 inches tall, making it easy to fit in front of most TVs without obstructing the screen. This sleek design is appealing for consumers looking for a soundbar that complements their home decor. The LG S40TR, on the other hand, features a crest design with a metal grill that not only looks stylish but also protects against dust. Although both soundbars are visually appealing, the choice will depend on personal preference regarding design aesthetics and how they fit into your living space.
Connectivity Options
Connectivity is crucial for modern soundbars, and both the LG S40TR and the Polk Audio Signa S2 offer versatile options. The LG model includes wireless rear speakers and allows users to control both the soundbar and compatible LG TVs with a single remote, enhancing user convenience. The Polk Audio Signa S2 provides multiple connection possibilities, including HDMI, ARC optical input, and AUX, along with Bluetooth support for wireless streaming from devices. While both soundbars offer solid connectivity options, those who prioritize seamless integration with LG products may lean towards the LG S40TR.
Setup and Installation
The installation process is quick and straightforward for both soundbars. The LG S40TR is designed for easy setup with wireless rear speakers, allowing users to enjoy an immersive sound experience without complicated wiring. The Polk Audio Signa S2 comes with an included HDMI cable for rapid connection to your TV, facilitating a hassle-free setup. Both soundbars promise minimal effort in terms of installation, but the LG S40TR's wireless rear speakers may provide a more streamlined experience for those looking to avoid cable clutter.
User Experience and Control
User experience is a strong point for both models, but they differ in how they approach it. The LG S40TR offers a WOW interface, allowing users to control audio settings directly from their LG TV remote, making it incredibly convenient for LG TV owners. In contrast, the Polk Audio Signa S2 focuses on maximizing audio clarity with its VoiceAdjust technology, which is particularly beneficial for watching movies or shows with complex dialogue. Depending on your priorities—whether ease of control or audio clarity—either soundbar could enhance your viewing experience.
Brand Reputation and Sales Rank
Both LG and Polk Audio are reputable brands in the audio industry, but they cater to different consumer needs. The LG S40TR has a sales rank of 1825, indicating strong popularity among buyers. Meanwhile, the Polk Audio Signa S2 holds a sales rank of 3206, suggesting it is still well-regarded but less popular than the LG option. When considering brand reputation and sales rank, the LG S40TR may have the edge in consumer preference, reflecting its appeal and quality in the market.
Which should you buy?
Ultimately, the decision between the LG S40TR and the Polk Audio Signa S2 comes down to your specific needs and preferences. If you're looking for a budget-friendly option with immersive sound capabilities, the LG S40TR offers excellent value at $196.99. However, if clear dialogue and a slim design are more important to you, the Polk Audio Signa S2, priced at $249.00, provides those features effectively. Consider what aspects of audio quality, design, and user experience matter most to you before making a decision.

