LG 55" OLED evo C4 Series 4K AI Processor TV and vs Sonos Arc Ultra soundbar + Sub 4 subwoofer + Era
Updated August 2026 — Sonos Arc Ultra soundbar + Sub 4 subwoofer + Era leads on ease of use and features.
The Sonos Arc Ultra offers superior audio performance and features, making it the better choice for audiophiles, while the LG option is more budget-friendly.
Why LG 55" OLED evo C4 Series 4K AI Processor TV and is better
Price
LG bundle is significantly cheaper.
Design
Sleek design with dust protection.
Compatibility
Compatible with LG TVs.
Why Sonos Arc Ultra soundbar + Sub 4 subwoofer + Era is better
Audio Quality
Immersive Dolby Atmos experience.
Setup Ease
User-friendly setup via Sonos app.
Streaming Options
Extensive streaming capabilities and voice control.
Overall score
Specifications
| Spec | LG 55" OLED evo C4 Series 4K AI Processor TV and | Sonos Arc Ultra soundbar + Sub 4 subwoofer + Era |
|---|---|---|
| Brand | LG | Sonos |
| Model | OLED evo C4 | Arc Ultra |
| Channels | 3.1.1 | 5.1.2 |
| Wireless | No | Yes |
| Dolby Atmos | No | Yes |
| Subwoofer | Included | Included |
Dimension comparison
Overview of the Products
The LG 55" OLED evo C4 Series 4K AI Processor TV paired with the S70TY QNED soundbar is priced at $1,323.94, while the Sonos Arc Ultra soundbar bundle, including the Sub 4 subwoofer and Era 300 speakers, costs $2,956.00. This makes the LG bundle about 56% cheaper than the Sonos setup. Both products cater to audiophiles and home theater enthusiasts, but they offer different audio experiences and features that may influence your purchasing decision.
Audio Performance
The Sonos Arc Ultra soundbar excels in delivering an immersive Dolby Atmos experience, creating an all-encompassing spatial audio soundstage. It features lateral and overhead channels that make sounds feel as if they are moving around you—perfect for those who love cinematic experiences. In contrast, the LG soundbar enhances TV audio with its sleek design and compatibility with LG's QNED technology, but it does not feature the same level of immersive surround sound as the Sonos setup. Buyers looking for a more cinematic experience may find the Sonos Arc Ultra's performance superior.
Design and Aesthetics
Aesthetically, both soundbars have their unique appeal. The LG soundbar features a crest design that not only looks stylish but also helps keep out dust and debris, making it a worry-free audio option. The Sonos Arc Ultra is designed to blend seamlessly into modern home decor, with a sleek profile that matches its high-end sound capabilities. While the LG soundbar has the advantage of being compatible with LG’s mounting brackets, the Sonos system offers flexibility in placement since the Sub 4 connects wirelessly, allowing it to be positioned anywhere in the room.
Setup and Usability
Setting up the Sonos Arc Ultra is straightforward, as it comes with an easy-to-follow guide through the Sonos app, enabling users to connect quickly to WiFi and sync their TV remote. This system is designed for a hassle-free user experience. The LG soundbar can be mounted or placed beneath the TV, but it may not offer the same level of intuitive setup as the Sonos system. If ease of setup is a priority, the Sonos Arc Ultra has a clear advantage.
Connectivity Options
The Sonos Arc Ultra supports a wide range of streaming options, including Apple AirPlay 2 and numerous music services via the Sonos app. It also features voice control capabilities, allowing for hands-free operation, which can be a significant convenience. The LG soundbar is designed primarily to enhance the audio from LG TVs and does not offer the same breadth of connectivity options. For those who value extensive streaming capabilities, the Sonos Arc Ultra stands out as the better choice.
Price Comparison
The LG soundbar and TV combo is priced at $1,323.94, making it a more budget-friendly option compared to the Sonos Arc Ultra bundle, which retails for $2,956.00. This represents a price difference of about $1,632.06, or approximately 56%. For consumers who are price-conscious but still desire quality sound, the LG option is significantly more economical while still providing a premium audio experience.
Target Audience
The LG soundbar and TV combination is likely aimed at consumers seeking a balanced audio-visual experience without breaking the bank. It is ideal for those who enjoy watching movies and playing video games at home but may not require the highest-end sound technology. On the other hand, the Sonos Arc Ultra setup is geared toward audiophiles and home theater enthusiasts who prioritize high-quality sound and immersive experiences. The choice between these products heavily depends on whether you value premium audio features or are looking for a more budget-friendly option.
Which should you buy?
Choosing between the LG 55" OLED evo C4 Series 4K AI Processor TV with the S70TY QNED soundbar and the Sonos Arc Ultra bundle ultimately depends on your specific needs and budget. If you’re looking for a comprehensive and immersive audio experience with premium features, the Sonos Arc Ultra is the superior choice despite its higher price tag. However, if you’re seeking a more affordable option that still delivers great sound and pairs well with LG TVs, then the LG soundbar is an excellent investment.

