LG S40TR 4.1 ch. Home Theater Soundbar with Rear vs Roku Wireless Subwoofer
Updated July 2026 — LG S40TR 4.1 ch. Home Theater Soundbar with Rear wins on integration and popularity, Roku Wireless Subwoofer wins on price.
The LG S40TR offers a complete home theater experience with superior sound quality, while the Roku Wireless Subwoofer is a more economical add-on for existing setups.
Why LG S40TR 4.1 ch. Home Theater Soundbar with Rear is better
Sound Quality
LG offers Dolby Audio and rear speakers for immersive sound.
Integration
LG features wireless rear speakers and WOW Interface.
Design
LG has a sleek design that enhances living room aesthetics.
Why Roku Wireless Subwoofer is better
Price
Roku is significantly cheaper at $129.
Setup
Roku offers easy wireless setup with existing Roku devices.
Portability
Roku can be placed anywhere within 30ft of the TV.
Overall score
Specifications
| Spec | LG S40TR 4.1 ch. Home Theater Soundbar with Rear | Roku Wireless Subwoofer |
|---|---|---|
| Channels | 4.1 | N/A |
| Wireless | Yes | Yes |
| Dolby Audio | Yes | No |
| Subwoofer | Included | Add-on |
| Sales Rank | 1825 | 9139 |
Dimension comparison
Overview of the Products
When comparing the LG S40TR 4.1 ch. Home Theater Soundbar and the Roku Wireless Subwoofer, the LG option is priced at $196.99, while the Roku is more budget-friendly at $129.00. The LG soundbar offers a more integrated solution for home audio, while the Roku subwoofer serves as an add-on to enhance sound systems, particularly those using Roku devices. Understanding these differences can help you decide which product fits your audio needs better.
Design and Aesthetics
The LG S40TR boasts a sleek crest design that not only looks stylish but also serves a practical purpose by keeping dust and debris out of the soundbar. With its modern aesthetic, it’s designed to be a focal point in your living room. On the other hand, the Roku Wireless Subwoofer is designed for versatility, allowing you to place it anywhere within 30ft of your TV. Its understated design blends seamlessly with existing setups but lacks the standout features of the LG soundbar. If aesthetics are important to you, the LG S40TR may be the more appealing choice.
Sound Quality
In terms of sound quality, the LG S40TR offers a more comprehensive audio experience. It features Dolby Audio and DTS Digital compatibility, which enhances the clarity and richness of sound across various media. The addition of rear surround speakers contributes to a more immersive experience, making it ideal for movie nights or music listening. In contrast, while the Roku Wireless Subwoofer adds depth to the sound, it is designed to work as a companion to a Roku Smart Soundbar, and on its own, it doesn't provide the same level of versatility. For those prioritizing sound quality, the LG S40TR is the clear winner.
Connectivity Options
Both products offer wireless connectivity, but they serve different purposes. The LG S40TR includes wireless rear speakers, eliminating the need for cumbersome cables and enhancing the surround sound experience. It also features the WOW Interface, which allows users to control both the soundbar and an LG TV with a single remote. The Roku Wireless Subwoofer also promotes easy setup, requiring only a power source and pairing with a Roku device for operation. However, it does not offer the same level of integration as the LG soundbar. For seamless connectivity, the LG S40TR takes the lead.
Price Comparison
The LG S40TR is priced at $196.99, while the Roku Wireless Subwoofer comes in at $129.00, making the Roku about 34.5% cheaper. This price difference reflects the additional features and capabilities of the LG soundbar, which includes built-in surround sound and advanced audio technologies. If budget is your primary concern, the Roku subwoofer is certainly the more economical choice. However, if you're looking for a complete home theater experience, the investment in the LG S40TR may be justified.
Installation and Setup
Setting up the LG S40TR is straightforward, thanks to its wireless capabilities and user-friendly design. With its integrated rear surround speakers, you can create a full sound system without dealing with tangled wires. The WOW Interface further simplifies operation, allowing for easy adjustments directly from your LG TV remote. Conversely, the Roku Wireless Subwoofer also promises an easy wireless setup but requires pairing with an existing Roku Smart Soundbar to function. If you desire a more holistic audio solution right out of the box, the LG S40TR is the preferable option.
Use Cases
The LG S40TR is ideal for users who want an all-in-one home theater solution. Its multiple channels and additional speakers create a cinematic experience perfect for movie lovers and music enthusiasts alike. The inclusion of Dolby Audio elevates the sound experience significantly. The Roku Wireless Subwoofer, however, is suited for those who already own a Roku Smart Soundbar and want to enhance their audio without investing in a full system. If you’re looking to upgrade your existing setup without a complete overhaul, the Roku may be the right choice.
Customer Reception
The LG S40TR has a sales rank of 1825, indicating a solid level of popularity among consumers. This suggests that many users appreciate its comprehensive features and sound quality. In contrast, the Roku Wireless Subwoofer has a sales rank of 9139, which is relatively lower. This difference in rank reflects a broader preference for the LG soundbar's capabilities in the market. Customer feedback generally aligns with these rankings, as users often cite the importance of sound quality and integration in their purchases.
Which should you buy?
In conclusion, if you are seeking a complete audio solution with rich sound quality and integrated features, the LG S40TR 4.1 ch. Home Theater Soundbar is the superior choice despite its higher price of $196.99. Its capabilities, including Dolby Audio and wireless rear speakers, make it ideal for creating an immersive home theater experience. On the other hand, if you're looking for an economical way to enhance your existing Roku audio setup, the Roku Wireless Subwoofer at $129.00 provides a solid option, albeit with limited standalone functionality. Ultimately, your decision should be guided by whether you prioritize a complete system or a supplemental device.

