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LG S77S — Review & Specs | Pricepect | Pricepect

Home SoundbarsLG S77S

LG S77S — image 1

LG

LG S77S

Expert Review Analysis

The LG S77S is a 3.1.3‑channel soundbar system delivering 400 W RMS with a wireless subwoofer, supporting Dolby Atmos, DTS:X and a suite of AI‑driven audio features. Designed for 40‑inch and larger TVs, it offers HDMI eARC, Wi‑Fi, Bluetooth and LG‑specific integrations such as WOW Orchestra and SIMPLINK for immersive home‑theater experiences.

✓ Best for: Users with 40‑inch+ LG TVs who want Atmos/DTS:X immersion without rear speakers, for movies, gaming (VRR/ALLM up to 120 Hz), and music via AI Sound Pro. Ideal for home‑theater setups with 4K HDR TVs, flexible placement thanks to the wireless subwoofer, and integration with LG OLEDs through WOW Orchestra.

Expert Opinion

No professional reviews, editor ratings, or quoted opinions were found in the sources; the available information consists mainly of manufacturer specifications.

What Users Say

No user reviews, testimonials, or common feedback were identified in the research, so everyday consumer sentiment is not documented.

How It Compares

vs. Sony HT-A5000

Advantages

Price History

Current

$897.99

Average

$897.99

Lowest

$897.99

Highest

$897.99

Price trend (90d):+590.8%

Best Seller Rank History

Now#1,100Best#946Worst#1,100 -154

Lower = better sales rank

Rating Trend

Rating3.9/ 5Reviews44+1 reviews +0.10

Specifications

Audio

Channels3.1.3

Audio FormatsDolby Atmos, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS Digital Surround, DTS:X, DTS-HD High Resolution, DTS-HD Master Audio, LPCM

High Resolution Audio24 bit/96kHz

Connectivity

HDMI eARC/ARCSupported

Optical InputSupported

USB HostSupported

Bluetooth VersionSupported

WiFiSupported

Design

Height (Bar)2.5 in (63.5 mm) mm

Width (Bar)34.65 in (880 mm) mm

Depth (Bar)5.12 in (130 mm) mm

Weight (Bar)20.5 lb (9309 g) g

Subwoofer Width7.7 in (196 mm) mm

Features

AI Sound ProEnabled

Smart Up-MixerEnabled

WOW OrchestraEnabled

Auto Volume LevelerEnabled

Dynamic Range ControlEnabled

General

BrandLG

ModelS77S

ColorBlack

Warranty90-day Replacement Warranty

Power

Power Output400W RMS W

Audio Processing

AI Sound ProAI-driven audio optimization for vocals, bass, and action

Smart Up-MixerConverts 2‑channel sources to multi‑channel surround

Ecosystem Integration

WOW OrchestraSynchronizes audio with compatible LG TVs

Convenience

Auto Volume LevelerAutomatically balances volume across content

Dynamic Range ControlAdjusts dynamic range for consistent listening

Research Sources

raystvappliances.com

lihomeappliance.com

yohohongkong.com

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User Reviews

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3.9

(44 reviews)

Out of Stock

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S77SBlack 90-day Replacement Warranty

✓Similar power (450 W) and 5.1.2 channel layout offers more rear channels than S77S

Disadvantages

✗Lacks LG ecosystem features like WOW Orchestra and SIMPLINK

Choose Sony HT‑A5000 if you need dedicated rear speakers and broader channel support; choose LG S77S for tighter integration with LG TVs.

vs. Bose Smart Ultra

Advantages

✓Premium build quality and advanced room calibration

Disadvantages

✗Does not provide up‑firing height speakers and lacks Dolby Atmos support

Bose Smart Ultra is suited for users prioritizing sleek design and smart features, while LG S77S is better for Atmos immersion.

vs. Samsung Q990C

Advantages

✓Larger 48‑inch bar with more channels (7.1.4) and higher power

Disadvantages

✗Physically larger, may not fit smaller spaces; no LG‑specific integration

Samsung Q990C fits larger home‑theater setups, whereas LG S77S is a more compact option for LG TV owners.

vs. Vizio V-Series

Advantages

✓Lower price point and basic 3.1 configuration

Disadvantages

✗Missing height channels and advanced AI features found in S77S

Vizio V‑Series is a budget choice, while LG S77S offers immersive Atmos and AI enhancements.

vs. Sonos Arc Ultra

Advantages

✓High‑resolution audio support and Sonos ecosystem integration

Disadvantages

✗Fewer height channels (5.0.2) and no wireless subwoofer

Sonos Arc Ultra appeals to Sonos ecosystem users; LG S77S targets LG TV users seeking wireless subwoofer and up‑firing height.

vs. Samsung HW-Q990D

Advantages

✓Offers 9.1.4 channel setup with extensive surround immersion

Disadvantages

✗More complex setup and higher cost compared to S77S

Samsung HW‑Q990D is for premium installations, while LG S77S provides a simpler, integrated solution.

vs. Sony A7000

Advantages

✓Advanced processing and 5.1.2 channel layout

Disadvantages

✗Higher price and lacks LG‑specific features

Sony A7000 suits audiophiles wanting Sony’s processing, while LG S77S is ideal for LG ecosystem integration.

Dimensions & Weight

Height2.5196850368 inches

Width34.645669256 inches

Depth5.118110231 inches

Weight20.5 Pounds