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LG S40TR 4.1 ch. Home Theater Soundbar with Rear vs LG S70TY 3.1.1-Channel QNED TV Matching Soundbar,

Updated July 2026 — LG S40TR 4.1 ch. Home Theater Soundbar with Rear wins on channels, LG S70TY 3.1.1-Channel QNED TV Matching Soundbar, wins on sales rank and price.

The LG S40TR offers great value for budget-conscious buyers, while the S70TY provides advanced audio features for a premium experience.

Why LG S40TR 4.1 ch. Home Theater Soundbar with Rear is better

Price

S40TR is $150 cheaper than S70TY

Setup

S40TR has simpler wireless rear speaker setup

Sales Rank

S40TR has a better sales rank at 1825

Why LG S70TY 3.1.1-Channel QNED TV Matching Soundbar, is better

Audio Quality

S70TY features Dolby Atmos for immersive sound

Design

S70TY is designed to match LG QNED TVs

Dialogue Clarity

S70TY has an up-firing center channel for better dialogue

Overall score

LG S40TR 4.1 ch. Home Theater Soundbar with Rear
75
LG S70TY 3.1.1-Channel QNED TV Matching Soundbar,
85

Specifications

SpecLG S40TR 4.1 ch. Home Theater Soundbar with RearLG S70TY 3.1.1-Channel QNED TV Matching Soundbar,
Audio TechDolby DigitalDolby Atmos
Rear SpeakersWirelessWireless
DesignCrest DesignCrest Design
ControlWOW InterfaceWOW Interface
SubwooferWirelessWireless

Dimension comparison

LG S40TR 4.1 ch. Home Theater Soundbar with RearLG S70TY 3.1.1-Channel QNED TV Matching Soundbar,

Overview of the LG S40TR and LG S70TY Soundbars

The LG S40TR is priced at $196.99, while the LG S70TY comes in at $346.99, making the S40TR about 43% cheaper. Both soundbars boast impressive features aimed at enhancing your home audio experience. The S40TR offers a 4.1 channel system with wireless rear speakers and a subwoofer, while the S70TY features a 3.1.1 channel setup that includes Dolby Atmos technology. Understanding these differences can help you decide which soundbar fits your needs better.

Design and Aesthetics

The LG S40TR features a sleek design that combines functionality with style, making it an appealing addition to any room. Its crest design not only looks good but also includes a metal grill that keeps dust and debris away. Similarly, the LG S70TY boasts a stylish appearance, designed to match perfectly with LG's QNED series TVs. Its compact dimensions allow it to fit neatly beneath those TVs, adding a modern touch to your entertainment setup. Both soundbars prioritize aesthetics and practicality, ensuring they enhance your living space while providing high-quality sound.

Audio Quality

The audio quality is a significant differentiator between the two models. The LG S40TR, with its 4 channels and Dolby Digital compatibility, promises a cinematic sound experience, especially with its wireless rear speakers. On the other hand, the LG S70TY elevates audio quality further with its Dolby Atmos capabilities, providing a more immersive spatial sound experience. This model also features an industry-exclusive up-firing center channel, which focuses on dialogue clarity, making it ideal for movie lovers. While both soundbars deliver excellent audio, the S70TY stands out for users who prioritize advanced audio technologies.

Connectivity Features

Both soundbars offer convenient connectivity features, but the LG S40TR has an edge in versatility with its WOW Interface. This feature allows users to control both the soundbar and compatible LG TVs using a single remote, simplifying the user experience. The S70TY also includes the WOW Interface, along with rear speaker readiness, ensuring seamless integration with additional audio components. Despite these similarities, the S40TR's wireless rear speakers provide a more straightforward setup without the need for additional receivers, making it easier for users to enjoy surround sound immediately.

Price Comparison

The LG S40TR is currently available for $196.99, while the LG S70TY is priced at $346.99. This means that the S70TY costs approximately $150 more, a significant difference that may influence your decision. If you are budget-conscious and still want to enjoy enhanced sound quality, the S40TR presents an attractive option. However, if you are willing to invest more for advanced features like Dolby Atmos and a more immersive audio experience, the S70TY might justify its higher price.

Bestselling Performance

The LG S40TR has a sales rank of 1825, indicating that it is well-received among consumers and reflects its popularity in the market. In contrast, the S70TY has a sales rank of 4075, which, while respectable, suggests it may not be as popular as the S40TR. This difference in sales rank could indicate that the S40TR is more frequently chosen by customers looking for a solid soundbar at a lower price point, while the S70TY appeals to a niche audience that seeks specific advanced features.

User Experience and Setup

Both soundbars are designed to enhance the user experience. The LG S40TR's wireless rear speakers make setup a breeze, allowing users to enjoy surround sound without complicated wiring. Its WOW Interface also simplifies control, making it user-friendly for those who may not be tech-savvy. The LG S70TY offers a similarly streamlined experience but shines with its integration with LG's QNED TVs and its ability to project 3D spatial sound. Users who prioritize easy setup and operation may find the S40TR more appealing, while those invested in high-end audio may favor the S70TY for its advanced features.

Which should you buy?

Choosing between the LG S40TR and the LG S70TY ultimately depends on your audio needs and budget. The S40TR is an excellent choice for those looking for a cost-effective soundbar that delivers quality audio with a user-friendly setup. Its price point of $196.99 makes it a strong contender for budget-conscious buyers. Conversely, if you are willing to invest more for superior audio technology and design, the S70TY, priced at $346.99, offers advanced features like Dolby Atmos and enhanced dialogue clarity. Assessing your priorities will help you determine which soundbar best suits your home entertainment needs.