LG 55" OLED evo C4 Series 4K AI Processor TV and vs Sonos Arc Ultra soundbar + Sub 4 subwoofer - Black
Updated August 2026 — LG 55" OLED evo C4 Series 4K AI Processor TV and wins on price, Sonos Arc Ultra soundbar + Sub 4 subwoofer - Black wins on popularity and features.
The LG product offers a more affordable and visually stunning experience, while the Sonos excels in audio immersion and smart features.
Why LG 55" OLED evo C4 Series 4K AI Processor TV and is better
Price
LG is approximately 33.8% cheaper than Sonos.
Visuals
LG includes a high-quality OLED TV.
Design
LG has a sleek crest design.
Why Sonos Arc Ultra soundbar + Sub 4 subwoofer - Black is better
Audio Quality
Sonos offers advanced spatial audio capabilities.
Setup
Sonos provides a hassle-free WiFi setup.
Smart Features
Sonos includes voice control and Trueplay tuning.
Overall score
Specifications
| Spec | LG 55" OLED evo C4 Series 4K AI Processor TV and | Sonos Arc Ultra soundbar + Sub 4 subwoofer - Black |
|---|---|---|
| Brand | LG | Sonos |
| Price | $1323.94 | $1998.00 |
| Sales Rank | 6447 | 3703 |
| Audio Tech | Dolby Atmos | Dolby Atmos |
| Subwoofer | No | Yes |
Dimension comparison
Pricing Comparison
The LG 55" OLED evo C4 Series 4K AI Processor TV and Matching 3.1.1 S70TY QNED Soundbar is priced at $1,323.94, while the Sonos Arc Ultra soundbar with Sub 4 subwoofer costs $1,998.00. This makes the LG offering approximately 33.8% cheaper than the Sonos package. For consumers on a budget, the lower price of the LG product could be a significant factor, especially considering both options deliver premium sound quality and features. The LG soundbar is also paired with a high-quality OLED TV, providing a comprehensive entertainment solution at a more approachable price point.
Audio Quality
When it comes to audio performance, the Sonos Arc Ultra soundbar plus Sub 4 subwoofer stands out with its advanced spatial audio capabilities. It features Dolby Atmos and upward-firing drivers that create a multidimensional soundstage, immersing you in the action. In contrast, the LG soundbar enhances audio performance specifically for LG TVs, making it an excellent companion for the matching OLED screen. While both products promise high-quality sound, the Sonos system focuses on delivering a surround sound experience, making it ideal for immersive movie watching and music listening.
Design and Aesthetics
Design is a crucial factor for many consumers, and both the LG and Sonos products have their unique appeal. The LG soundbar features a sleek crest design that not only looks good but also includes a metal grill to keep dust out, ensuring longevity. On the other hand, the Sonos Arc Ultra is designed to be a statement piece in any room, and its minimalist style complements modern decor. While both soundbars are visually appealing, the choice may boil down to personal taste and how well they fit into your existing setup.
Ease of Setup
The Sonos Arc Ultra soundbar plus Sub 4 subwoofer is designed for a hassle-free setup. Users can connect the soundbar to their TV and sync it with their remote control through the Sonos app, which streamlines the entire process. In comparison, the LG soundbar also offers straightforward installation, especially when paired with its matching OLED TV. While both products are user-friendly, the Sonos system's emphasis on WiFi connectivity and app guidance may appeal more to tech-savvy users.
Additional Features
The Sonos Arc Ultra offers several added features that enhance its usability. Its Trueplay tuning technology adjusts sound settings based on room acoustics, allowing for an optimized listening experience. It also includes voice control capabilities, enabling users to play music and manage their sound system hands-free. The LG soundbar, while rich in features, focuses more on delivering excellent sound quality tailored for its OLED TV. It lacks some of the advanced smart features of the Sonos system, which may be a deciding factor for those seeking a fully integrated smart home experience.
Performance Benchmark
In terms of sales rank, the Sonos Arc Ultra soundbar ranks at 3,703 compared to the LG soundbar's rank of 6,447. This suggests that the Sonos product is more popular among consumers, which may indicate higher customer satisfaction or brand loyalty. However, rankings do not always reflect performance; they can also be influenced by marketing strategies and brand reputation. Therefore, while the Sonos may enjoy a higher rank, the LG soundbar paired with the OLED TV is still a formidable contender with its impressive audio capabilities.
Brand Reputation
Both LG and Sonos are recognized brands in the audio-visual space, but they cater to slightly different markets. LG is renowned for its cutting-edge display technology, especially in OLED TVs, while Sonos is celebrated for its high-quality audio equipment and smart home integration. Choosing between the two may depend on what aspects are more important to you—visual excellence or audio prowess. If you prioritize a comprehensive entertainment system, the LG offering may be more appealing, while audiophiles might lean toward the Sonos Arc Ultra.
Which should you buy?
Ultimately, the decision between the LG 55" OLED evo C4 Series 4K AI Processor TV paired with the S70TY QNED soundbar and the Sonos Arc Ultra soundbar with Sub 4 subwoofer comes down to individual preferences and needs. The LG product is notably more affordable, offers a stunning visual experience, and includes a soundbar that complements its OLED TV well. Conversely, the Sonos package excels in audio immersion with advanced features and a more popular sales ranking. If you're looking for a complete home theater experience at a lower price, the LG option is a strong contender, while the Sonos is ideal for those who prioritize superior sound quality and smart connectivity.

