Assistrust Sound Bar for Smart TV, 90W Soundbar vs LG S40TR 4.1 ch. Home Theater Soundbar with Rear
Updated July 2026 — Assistrust Sound Bar for Smart TV, 90W Soundbar wins on price and warranty, LG S40TR 4.1 ch. Home Theater Soundbar with Rear wins on sound and features.
The LG S40TR offers superior sound performance and features, making it the better choice for immersive audio experiences. However, the Assistrust is more budget-friendly.
Why Assistrust Sound Bar for Smart TV, 90W Soundbar is better
Price
Assistrust is significantly cheaper at $64.99.
Setup
Assistrust has straightforward installation guides.
Warranty
Assistrust offers an 18-month warranty.
Why LG S40TR 4.1 ch. Home Theater Soundbar with Rear is better
Sound Quality
LG has a 4.1 channel system with Dolby Audio.
Design
LG features a sleek crest design.
Connectivity
LG includes wireless rear speakers for easy setup.
Overall score
Specifications
| Spec | Assistrust Sound Bar for Smart TV, 90W Soundbar | LG S40TR 4.1 ch. Home Theater Soundbar with Rear |
|---|---|---|
| Channels | 2.0 | 4.1 |
| Subwoofer | No | Yes |
| Bluetooth | 5.3 | Yes |
| Control | TV remote | One remote |
| Weight | 5.5 lbs | 8.0 lbs |
Dimension comparison
Design and Build Quality
The design and build quality of both soundbars significantly influence their appeal and functionality. The Assistrust Sound Bar for Smart TV features a versatile design that can be utilized in horizontal, vertical, or wall-mounted orientations, making it adaptable to various spaces. In contrast, the LG S40TR is designed with a sleek crest appearance that not only looks good but also serves a practical purpose by keeping dust out, ensuring longevity. The Assistrust model focuses on versatility for sound placement, while LG emphasizes aesthetics alongside functional design.
Sound Performance
When it comes to sound performance, the LG S40TR offers a robust audio experience with its 4.1 channel system, which includes a wireless subwoofer and rear speakers, delivering an immersive sound environment. The Dolby Audio technology enhances this experience further, providing clarity across all audio types. Meanwhile, the Assistrust Sound Bar boasts an 80W output with customizable equalizer modes tailored for different uses, such as movies and music. While both soundbars aim to provide excellent audio, the LG's multi-channel setup may provide a richer sound experience, especially for cinematic viewing.
Connectivity Options
In terms of connectivity options, the Assistrust Sound Bar features Bluetooth 5.3, ARC, optical, and AUX connections, ensuring it can connect seamlessly with various devices. The ability to control it via a TV remote in ARC mode adds to its convenience. The LG S40TR also offers wireless connectivity for its rear speakers, making setup easier without the need for additional receivers. Both soundbars cater well to modern connectivity needs, but the Assistrust model's diverse input options might appeal more to users who prefer wired connections alongside wireless capabilities.
Price Comparison
Price is a crucial factor for many consumers. The Assistrust Sound Bar is priced at $64.99, while the LG S40TR is significantly higher at $196.99. This makes the Assistrust about 67% cheaper than the LG model. The price difference may be a deciding factor for budget-conscious shoppers who still want quality sound performance. However, it’s essential to weigh this against the additional features and sound quality provided by the LG model, which may justify its higher cost for some users.
User Experience and Setup
User experience and ease of setup are vital for maximizing enjoyment. The Assistrust Sound Bar is designed for straightforward installation, with detailed guides provided to ensure users can connect it without hassle. Its volume boost feature also minimizes the need for constant adjustments. The LG S40TR, with its WOW Interface, allows users to control both the soundbar and compatible LG TVs with one remote. While both soundbars prioritize user-friendliness, the LG's integrated control system may enhance the overall experience for those with compatible LG products.
Warranty and Support
Warranty and customer support can be critical in the long-term satisfaction of a product. The Assistrust Sound Bar offers an 18-month warranty and 24/7 online assistance, providing peace of mind for the buyer. The LG S40TR does not specify warranty details in the provided data, which may leave potential buyers seeking more information. The strong support structure of the Assistrust model may appeal to those who value robust customer service alongside their purchase.
Brand Reputation
Brand reputation can heavily influence purchasing decisions. Assistrust is a lesser-known brand compared to LG, which has established itself as a leader in consumer electronics with a strong reputation for quality and innovation. The LG S40TR has a bestseller rank of 1825, indicating its popularity among consumers. In contrast, the Assistrust model ranks at 4330, which may reflect its emerging status in the market. Buyers may choose LG for its proven track record, while others might opt for Assistrust for its unique features at a lower price point.
Which should you buy?
Choosing between the Assistrust Sound Bar for Smart TV and the LG S40TR ultimately depends on individual preferences and priorities. If budget, versatility in design, and basic sound performance are your key considerations, the Assistrust model is a compelling choice at just $64.99. However, if you prioritize a cinematic audio experience with wireless surround sound capabilities and do not mind paying a premium, the LG S40TR at $196.99 may be worth the investment. Each soundbar has distinct strengths, making your specific needs the ultimate deciding factor.

