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LG S70TR Soundbar: A Seamless Surround Audio Setup

If you are planning to upgrade your living room audio with a discrete surround system that avoids the complexity of traditional audio-video receiver wiring, the LG S70TR provides a 5.1.1-channel sound system engineered specifically for modern media spaces. Designed to complement flat-panel displays without dominating your media furniture, this package includes a primary soundbar, an…

By Isabel Doyle

8 min read

How we write these. Every price, stock status and specification here is read from the Amazon product listing, not from hardware we tested ourselves. Scores are out of 10, based on listed specifications and buyer feedback.

LG S70TR

Product photos from the Amazon listing.

The product

LG S70TR

Our score

9.4/10

Exceptional

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If you are planning to upgrade your living room audio with a discrete surround system that avoids the complexity of traditional audio-video receiver wiring, the LG S70TR provides a 5.1.1-channel sound system engineered specifically for modern media spaces. Designed to complement flat-panel displays without dominating your media furniture, this package includes a primary soundbar, an external subwoofer, and dedicated wireless rear speakers. It is targeted at viewers who want authentic three-dimensional height and rear sound reproduction without running physical audio cables from the front of the room to the back.

This LG S70TR soundbar review examines how the system integrates into everyday multi-use spaces, its acoustic footprint, and how its software features perform alongside compatible displays. We will walk through the core acoustic layout, evaluate the physical utility of the LG S70TR rear speakers, inspect the mechanical enclosure design, and determine whether this hardware matches your room arrangement and viewing habits.

What You Get With the LG S70TR

The LG S70TR 5.1.1 soundbar package arrives with all the core physical components needed to form a complete physical surround perimeter around your main seating area.

In the box

  • Dedicated 5.1.1-channel audio layout featuring an up-firing center speaker designed to project height channels and dialogue directly into the room.
  • Compact wireless rear surround speakers that communicate without routing physical audio cables back to the front soundbar unit.
  • External subwoofer built to deliver low-frequency bass notes and cinematic impact.
  • Crest visual design with a rigid metal grill enclosure built to protect internal drivers from dust and physical debris.
  • Integrated decoding support for advanced spatial audio formats including Dolby Atmos, DTS:X, and Dolby TrueHD.
  • Proprietary LG S70TR WOW Orchestra functionality that enables simultaneous playback between the soundbar and supported LG television speakers.
  • Unified control versatility supporting standard remote operation, companion smartphone app control, and voice navigation.
  • Single USB 2.0 port alongside standard connectivity options for secondary playback sources.

Key Specifications

Specifications

Brand
LG
Model Name / Number
S70TR
Audio Output Mode
Surround (5.1.1 Channel)
Total System Output Power
500 Watts maximum
Enclosure Material
Metal
Audio Formats Supported
Dolby Atmos, DTS:X, Dolby TrueHD
All 10 specifications
Control Methods
Remote, App, Voice
Included Speakers
Soundbar with up-firing center, Subwoofer, Rear Speakers
USB Ports
1 x USB 2.0
Mounting Options
TV mounting and Wall mounting capable

Quoted from the product listing.

Acoustic Architecture and Spatial Audio Delivery

The core audio architecture of this system relies on its dedicated 5.1.1-channel layout. In standard surround sound design, a traditional soundbar attempts to bounce sound waves off side walls to simulate surround channels. While single-bar units like the Klipsch Flexus Core 100 offer a simplified front-stage approach for compact spaces, the inclusion of dedicated physical rear speakers in this package changes how ambient sound reaches the listener. By placing separate rear speaker units behind your couch, directional pans, atmospheric effects, and soundtrack cues originate from their intended physical locations rather than relying on digital reflection tricks.

A distinctive feature of the central bar is its up-firing center speaker. In many conventional multichannel soundbars, the center channel fires straight outward, which can cause spoken dialogue to sound detached from actors on screen or become muddy during loud background passages. The LG S70TR Dolby Atmos implementation leverages this up-firing driver to elevate spoken frequencies, creating an acoustic impression that voices are projecting directly from the center of your television screen. Combined with DTS:X and an Immersive 3D Spatial Sound dome processing engine, the system constructs an overhead sound layer that expands the perceived vertical scale of the viewing area.

Power management across the system reaches a maximum rating of 500 watts, distributed across the front bar, the independent subwoofer, and the rear satellites. This level of amplification provides enough volume and headroom to fill average-sized living rooms or finished basements without pushing internal drivers to distortion limits. Low-frequency energy is directed to the external subwoofer, freeing the primary soundbar and rear satellites to focus on mid-range fidelity, vocal intelligibility, and high-frequency surround details.

Physical Dimensions and Crest Design Styling

Living room integration depends heavily on whether an audio system blends cleanly into an existing furniture arrangement. The soundbar showcases LG’s crest styling, which abandons traditional fabric mesh in favor of a solid metal grill. Fabric coverings can trap dust, pet hair, and airborne particles over time, making them difficult to clean without damaging delicate acoustic cones underneath. The rigid metal enclosure on this unit offers straightforward maintenance while providing physical protection against accidental impacts from household objects.

When planning your LG S70TR for TV setup, the physical profile of the bar is structured to align neatly with mid-to-large televisions, particularly LG QNED series screens. The soundbar has a streamlined width and depth profile that enables it to sit comfortably beneath a display mounted on a standard media console stand. For users who prefer a floating entertainment aesthetic, the unit is also fully compatible with wall-mounting brackets, keeping the top surface of your media console clear of components.

Planning the physical arrangement also requires accounting for the satellite units. While higher-tier products in this series like the LG S80TR soundbar address specific room profiles, this model requires deliberate placement of its independent rear modules. Even though the rear satellites connect to the system without long runs of speaker wire extending back to the television, they still require access to an electrical outlet for power. Checking the proximity of wall plugs near your seating area is an essential early step in the setup process.

Setup Workflow and Connected Device Ecosystem

The physical LG S70TR setup process is engineered to minimize installation friction. Once the main soundbar is placed and connected to the primary display, the system utilizes wireless synchronization to connect the external subwoofer and the rear satellite channels. Built-in auto power capabilities ensure the audio gear awakens and goes to standby in tandem with your television, removing the need to manage multiple power switches during daily television viewing.

For homes centered around an LG television, the hardware unlocks deeper integration through LG S70TR WOW Orchestra. Rather than muting the television speakers when external audio is active, WOW Orchestra synchronizes the television speakers with the soundbar drivers simultaneously. This joint acoustic output widens the front soundstage and boosts overall acoustic presence. Furthermore, this ecosystem integration allows users to adjust sound settings, switch audio profiles, and control master volume directly through the television remote interface without hunting for secondary controllers.

Control flexibility extends beyond hardware remotes. The system includes app-based management, voice command capability, and direct control from paired source hardware such as smartphones, tablets, and laptops. While broader systems like the AX700 sound bar Hisense cater to budget-focused multi-brand environments, this unit delivers its smoothest day-to-day operation when anchored into a compatible LG smart television network.

LG S70TR Pros and Cons

Reasons to buy

  • True 5.1.1 physical surround configuration
  • Up-firing center speaker clarifies dialogue
  • WOW Orchestra pairs with LG televisions
  • Durable metal grill blocks household dust
  • Wireless rear speakers eliminate cross-room cables

Reasons to avoid

  • Rear speakers require nearby electrical outlets
  • WOW Orchestra requires compatible LG television
  • Listing does not specify HDMI port quantity

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Is the LG S70TR Worth It

Deciding whether the LG S70TR is worth it comes down to your current television hardware, room geometry, and appetite for multi-speaker hardware. For viewers who already own an LG TV—especially a modern QNED series screen—the combination of WOW Orchestra integration, shared remote control, and tailored physical dimensions makes this system an exceptionally seamless addition. It resolves the thin, harsh audio typical of flat screens while eliminating the cable management headaches of traditional component audio.

For shoppers with non-LG displays, the system still offers a complete 5.1.1-channel soundscape featuring genuine Dolby Atmos decoding, DTS:X spatial audio, and 500 watts of output power. The physical rear speakers offer a distinct acoustic upgrade over virtual surround processing found in standard three-channel bars. However, buyers with screens from other brands will not be able to take advantage of WOW Orchestra dual-playback features, relying instead on standard input passthrough and the included remote or smartphone application.

Ultimately, this package hits a sweet spot for homeowners who want immersive, multi-channel movie sound without transforming their living room into an intricate audio laboratory. If your living space has open wall outlets behind the main viewing couch to power the rear satellites, this soundbar provides a clean, clutter-free path to genuine surround sound entertainment.

Frequently Asked Questions

Does the LG S70TR require speaker wires to connect the rear speakers to the soundbar?

No, the rear surround speakers communicate wirelessly with the primary soundbar unit. You do not need to route audio cables across your flooring or under rugs. However, the rear speakers do require access to electrical power outlets to operate, so you must account for nearby wall receptacles when arranging your furniture.

How does the up-firing center speaker improve dialogue?

Traditional center speakers project audio straight forward toward the viewer’s knees or waistline when placed on a low television stand. The up-firing center speaker on this soundbar angles vocal frequencies upward toward the screen. This directional tuning creates the spatial impression that dialogue is emanating directly from the mouths of actors on the display rather than from below the television frame.

Can the LG S70TR be used with non-LG televisions?

Yes, the soundbar functions with any compatible television, laptop, smartphone, or tablet through standard digital audio connections. While general surround decoding, Dolby Atmos, and DTS:X playback perform normally across all compatible hardware, proprietary features such as WOW Orchestra require a compatible LG television model to operate.

What audio formats does the soundbar decode?

The soundbar supports advanced multichannel audio formats including Dolby Atmos, DTS:X, and Dolby TrueHD. These processing modes handle spatial height effects and discrete surround channel steering to construct an immersive three-dimensional listening area in your home.

Brand LG

Where these numbers come from

  • 564reviews published
  • 1,398products with a score
  • 1,374products with listed features
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Ratings, prices, stock and specifications are read from the Amazon product listing. We do not run lab tests of our own, so scores on this site are out of 10, based on listed specifications and buyer feedback, not a verdict from a test bench. Prices change without notice — check the listing before buying.

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