You’ll be impressed by the Vizio M512a-H6’s true 5.1.2 surround sound performance at its price point.
This sleek 40-inch soundbar delivers room-filling Dolby Atmos and DTS:X audio with crystal-clear dialogue scoring at 8.0 and powerful bass extension down to 31.7 Hz.
The setup includes a wireless subwoofer and two satellite speakers, offering straightforward installation and multiple connectivity options through HDMI eARC and Bluetooth.
Although it lacks built-in voice commands and a full graphic EQ, the four distinct audio modes and dialogue improvement features make this system an exceptional value.
Let’s look at what makes this budget-friendly powerhouse stand out from the competition.
Key Highlights
- True 5.1.2 surround sound system with Dolby Atmos delivers immersive audio performance and clear dialogue at up to 92.8 dB SPL.
- Compact dimensions and sleek design complement modern setups, with included wireless subwoofer extending bass response down to 31.7 Hz.
- Four audio modes (Movie, Music, Game, Direct) optimize sound performance, though system lacks full graphic EQ capabilities.
- HDMI eARC and Bluetooth connectivity offer versatile input options, while wired satellite speakers may limit placement flexibility.
- Priced competitively at $449-$500, offering excellent value for a Dolby Atmos soundbar with strong audio performance and build quality.
- America's Sound Bar - VIZIO has been filling homes with truly immersive audio for over 10 years, and our sound bars just keep getting better. We are proud to provide our customers with top-tier audio products that bring movies, shows, podcasts, music, and more to life like never before. ( Sound Bar Brand in 1H 2022 Source: The NPD Group/Retail Tracking Service, U.S., based on units, Jan. - June 2022 combined.)
- 11 High-Performance Speakers - With separate tweeters and woofers, deliver fuller, clearer and more powerful sound.
- Dolby Atmos and DTS:X - Cinematic, life-like 3D surround sound around and above you.
- 2 Upfiring Speakers - Reflect accurate overhead sound off the ceiling for Dolby Atmos and DTS:X content.
- Separate Tweeters and Woofers - True 2-way speaker design delivers pristine clarity and a wider audio range.
Key Benefits & Drawbacks
You’ll get exceptional value from the Vizio M512a-H6’s true 5.1.2 surround sound setup, which delivers immersive audio and clear dialogue at a competitive $500 price point.
The soundbar’s sleek design and straightforward wall-mounting options make it an attractive choice for any home theater, whilst its balanced sound profile handles both movies and music impressively.
The lack of Wi-Fi streaming and a full graphic EQ, along with wired satellite speakers that limit placement options, are trade-offs you’ll need to evaluate against the system’s overall performance.
What We Liked
What makes the Vizio M512a-H6 stand out in today’s crowded soundbar market? You’ll find its most compelling features in both performance and practicality. The 5.1.2 channel configuration delivers immersive audio that brings your entertainment to life, powered by Dolby Atmos and DTS:X technology for truly multi-dimensional sound.
You’ll appreciate the balanced sound quality across different content types. Whether you’re enjoying your favorite music playlist or catching up on the latest Netflix series, the M512a-H6 delivers impressive performance with music scoring 7.8 and dialogue clarity at 8.0.
The user-friendly setup process won’t leave you tangled in complicated wiring, thanks to its compact subwoofer and satellite speakers that don’t require separate power cords.
At $449, the value proposition of the Vizio M512a-H6 is hard to beat. You’re getting performance that rivals more expensive competitors like the Sonos Arc, particularly in soundstage depth and overall audio quality.
Even without a full graphic EQ, the sound quality remains consistently impressive, making this soundbar an excellent choice for those seeking premium features without the premium price tag. Buy it here!
What Can Be Improved
The Vizio M512a-H6’s limitations become apparent when examining its customization options and connectivity features.
You’ll find the lack of a full graphic EQ restricts your sound tuning options, making it difficult to achieve precise audio adjustments to match your preferences. The absence of voice mode is particularly noticeable when watching dialogue-heavy content, as you won’t have access to improved vocal clarity that many competing soundbars offer.
Bass control issues can detract from your listening experience, as the sometimes overpowering bass response may muddy the overall sound during intense scenes.
The system’s wired connections between satellite speakers and the subwoofer limit your placement flexibility, potentially complicating your room setup compared to wireless alternatives.
Although initial setup is straightforward, you might find the user manual complexity challenging when trying to optimize sound settings, especially without auto-calibration features.
This complexity, combined with limited customization options, means you’ll need to invest more time and effort to achieve your desired sound profile, which may frustrate less technically inclined users.
First Impressions

Opening the box of Vizio’s M512a-H6 reveals a thoughtfully packaged system that makes an immediate positive impression.
You’ll find everything you need for setup, including mounting hardware, HDMI and optical cables, and a thorough manual that guides you through the installation process.
The sleek and stylish design of the M512a-H6 immediately catches your eye, with its compact 40-inch width and slim 4.1-inch depth profile.
You’ll appreciate how this modern aesthetic can complement various room layouts without overwhelming your space. The wireless subwoofer and satellite speakers add to the system’s visual appeal as they promise an expansive sound experience.
What’s particularly striking is how Vizio has managed to pack premium features into a budget-conscious package.
At $449, you’re getting a full 5.1.2 configuration with Dolby Atmos and DTS:X support, suggesting immersive audio capabilities that typically come with a much higher price tag.
The included components feel substantial and well-made, giving you confidence that you’ve made a solid investment in your home entertainment setup.
Unboxing – What’s Inside?

You’ll find everything you need for a complete surround sound setup in the Vizio M512a-H6 box, including the main soundbar, wireless subwoofer, two satellite speakers, and all necessary cables (HDMI, optical, and power).
The package comes with a remote control featuring two AAA batteries and includes a wall mounting template with hardware for hassle-free installation.
The provided manual guides you through the setup process, whereas the pre-paired subwoofer and satellite speakers guarantee you can start enjoying your audio system right away.
Specifications
Inside Vizio’s M512a-H6 package, you’ll find everything needed for a complete home theater setup. The package includes a sleek soundbar, wireless subwoofer, two satellite speakers, and a remote control complete with AAA batteries.
You’ll appreciate that all necessary cables come included – both HDMI and optical cables for connectivity, plus power cables for the soundbar and subwoofer. For easy installation, you’ll likewise get a helpful wall mounting template and user manual.
Let’s break down the key measurements you need to know:
- The soundbar spans 40 inches wide, stands 2.7 inches tall, and extends 4.1 inches deep – making it an ideal match for most modern TVs.
- The wireless subwoofer maintains a compact footprint at 8.3 inches wide, 9.9 inches high, and 11.7 inches deep.
- The rear speakers connect directly to the subwoofer through wired connections, eliminating the hassle of extra power cords.
These specifications guarantee you’ll get a clean setup without cable clutter, whereas the included mounting template helps you achieve perfect placement whether you’re mounting the soundbar or placing it on your TV stand.
Design and Build Quality
The Vizio M512a-H6 consistently delivers on both form and function with its thoughtfully designed 40-inch soundbar and compact subwoofer. At just 2.7 inches tall and 4.1 inches deep, the soundbar’s sleek profile won’t obstruct your TV’s view or dominate your entertainment space. The build quality stands out with its use of durable materials that guarantee longevity during maintaining a minimalist aesthetic appeal.
You’ll appreciate the compact design of the subwoofer, which measures 8.3″ x 9.9″ x 11.7″, making it easy to position in your room without sacrificing valuable floor space. The system’s practical approach to satellite speaker connectivity means you won’t have to deal with extra power cords – they simply wire directly to the subwoofer, reducing cable clutter in your setup.
If you’re planning to wall mount the soundbar, you’ll find everything you need right in the box. The mounting process is straightforward, with all necessary hardware included, allowing you to achieve a clean, professional-looking installation.
The entire system’s build quality reflects Vizio’s attention to durability during maintaining an elegant appearance that complements any modern home theater setup. Buy it here!
Room-Filling Dolby Atmos Performance

In regard to immersive audio, Vizio’s M512a-H6 delivers impressive Dolby Atmos performance through its 5.1.2 channel configuration. The dedicated up-firing speakers create a room-filling soundscape that’ll make you feel surrounded by audio from all directions.
You’ll experience precise sound positioning that transforms your living space into a cinematic atmosphere. The soundbar’s exceptional frequency range, spanning from 31.7 Hz to 19.9 kHz, guarantees you’ll hear everything from thunderous bass to crystal-clear highs.
You won’t have to worry about audio quality at higher volumes, as the M512a-H6 maintains clarity up to 92.8 dB SPL without distortion. This makes it perfect for both intimate viewing sessions and larger room setups.
You’ll particularly appreciate the discrete center channel when watching TV shows and movies. With a strong 8.0 performance score for vocal clarity, dialogue remains crisp and intelligible, especially when you’re enjoying Dolby Atmos content.
The stereo frequency response effectively separates different audio elements, guaranteeing you’ll hear distinct sound effects, clear dialogue, and immersive musical scores in perfect balance.
Features – What We Found

You’ll find the M512a-H6’s Dolby Atmos implementation particularly impressive, with overhead channels creating a genuinely immersive audio experience for your home theater setup.
The wireless subwoofer connects effortlessly to the main unit as the system’s multiple audio improvement modes let you tailor the sound to your specific content, whether you’re watching movies, playing games, or streaming music.
The soundbar’s voice control integration adds convenience to daily operation, allowing you to adjust volume, switch inputs, or change sound modes hands-free.
Dolby Atmos Sound Support
Delivering impressive Dolby Atmos performance, Vizio’s M512a-H6 stands out with its true 5.1.2 surround sound configuration and dedicated height speakers. You’ll experience immersive sound that extends from deep bass at 31.7 Hz up to crystal-clear highs at 19.9 kHz, guaranteeing you don’t miss any audio details in your favorite content.
The M512a-H6’s upward-firing speakers create a convincing height effect that improves your viewing experience, making you feel more connected to the action on screen. You’ll notice how the soundbar effectively separates audio elements, keeping dialogue clear as it precisely positions sound effects throughout your room. This spatial separation is vital for getting the most out of Dolby Atmos content.
Thanks to its hybrid setup, you’re not limited to just Dolby Atmos – the soundbar likewise supports DTS:X, giving you flexibility with different audio sources.
Whether you’re watching the latest blockbuster or streaming your favorite shows, the M512a-H6’s surround sound capabilities guarantee you’ll get an engaging audio experience that brings your entertainment to life with remarkable clarity and depth. Buy it here!
Wireless Subwoofer Connection System
Building on its impressive audio capabilities, the M512a-H6’s wireless subwoofer connection system offers both convenience and performance benefits. You’ll appreciate how this wireless design eliminates the need for extra power cords while giving you more flexibility in placing the subwoofer anywhere in your room. The setup process is remarkably straightforward, as the subwoofer comes pre-paired with the soundbar right from the start.
The wireless subwoofer connection delivers powerful performance, reaching impressive low bass extension down to 31.7 Hz to improve your audio immersion. You’ll notice the clean aesthetic this system creates in your entertainment space by reducing cable clutter.
Nevertheless, it’s crucial to recognize that although the subwoofer connects wirelessly, the satellite speakers still require physical wiring to the subwoofer. This means you’ll need to think about speaker placement carefully to guarantee the wires can reach the subwoofer effectively.
In spite of this limitation, the overall design successfully balances performance with practicality, providing you with a powerful audio solution that maintains a neat, organized appearance in your home theater setup.
Voice Control Integration
Voice control functionality stands out as a notable limitation of the M512a-H6, as the soundbar doesn’t include built-in voice command capabilities. Instead, you’ll need to rely on the standard remote control or your mobile device for basic operations and settings adjustments.
While direct voice control isn’t available, you can still access some voice features through workarounds. By connecting the soundbar to compatible smart assistants via HDMI eARC, you’ll be able to execute basic commands through your existing smart home devices.
Moreover, the soundbar’s Bluetooth connectivity allows you to stream audio from mobile devices that have voice assistant integration, giving you an indirect way to utilize voice features.
It’s worth noting that the absence of dedicated voice control affects certain aspects of the user experience. You won’t find voice-activated dialogue clarity improvement, which some competing models offer.
Vizio has clearly prioritized audio performance over voice control integration in the M512a-H6’s design. If you’re particularly looking for all-encompassing voice command features, you might want to evaluate more advanced soundbar models that include built-in smart assistant support. Buy it here!
Multiple Audio Enhancement Modes
The Vizio M512a-H6 offers four distinct audio modes – Movie, Music, Game, and Direct – each tailored to optimize sound performance for specific content types. These multiple sound modes let you easily switch between settings to match whatever media you’re enjoying, ensuring you’ll get the best audio experience whether you’re watching films, streaming music, or playing video games.
While the soundbar doesn’t include a dedicated voice mode, it compensates with sound improvement features like a discrete center channel and dialogue enhancement capabilities. You’ll find these particularly useful when watching movies or TV shows where clear speech is critical.
The system’s EQ presets give you additional customization options, allowing you to adjust bass, treble, and surround levels to suit your preferences.
Though you won’t get the extensive control of a full graphic equalizer, the combination of audio modes and improvement features provides significant flexibility in sound tuning. You can fine-tune the audio performance to match your room acoustics and personal taste, making the M512a-H6 adaptable to various listening environments and content types.
JBL Bar 5.1 Comparison
Many shoppers compare the Vizio M512a-H6 with JBL’s Bar 5.1, a popular alternative in the mid-range soundbar market.
Although both soundbars support Dolby Atmos, you’ll find notable differences in their implementation and overall performance. The M512a-H6 delivers superior sound quality through its dedicated 5.1.2 configuration, offering a more immersive experience with its height channels.
The JBL Bar 5.1 takes a different approach with its all-in-one design, featuring built-in surround speakers that simplify setup.
You’ll pay less for the JBL at around $400, but you won’t get the same level of audio sophistication as the M512a-H6. The Vizio requires separate satellite speakers connected to its wireless subwoofer, creating true surround sound that outperforms the JBL’s simpler arrangement.
One advantage of the JBL is its auto-calibration feature, which makes initial setup easier compared to the M512a-H6’s manual tuning requirements.
Nevertheless, if you’re prioritizing sound quality and don’t mind a more complex setup, the Vizio M512a-H6 proves to be the better performer, especially in medium-sized rooms. Buy it here!
Final Thoughts

Though comparing options helps inform your decision, what stands out about the Vizio M512a-H6 is its remarkable ability to punch above its price point in the Dolby Atmos soundbar category.
You’ll find premium features typically reserved for higher-end models, making it an exceptional value for budget-conscious home cinema enthusiasts.
The M512a-H6’s 5.1.2 channel configuration, complete with satellite speakers and a dedicated subwoofer, delivers immersive audio that transforms your viewing experience.
Whether you’re watching action-packed movies or streaming your favorite music, the sound performance remains consistently impressive, maintaining clarity even at higher volumes.
You’ll appreciate the straightforward setup and versatile connectivity options, including HDMI eARC and Bluetooth, which make integrating the soundbar into your existing setup a breeze.
Although it may lack some advanced sound customization features, the out-of-the-box performance more than compensates for this limitation.
If you’re looking for an affordable Dolby Atmos soundbar that doesn’t compromise on quality, the Vizio M512a-H6 stands as a compelling choice that’ll enhance your home entertainment system without breaking the bank.
- America's Sound Bar - VIZIO has been filling homes with truly immersive audio for over 10 years, and our sound bars just keep getting better. We are proud to provide our customers with top-tier audio products that bring movies, shows, podcasts, music, and more to life like never before. ( Sound Bar Brand in 1H 2022 Source: The NPD Group/Retail Tracking Service, U.S., based on units, Jan. - June 2022 combined.)
- 11 High-Performance Speakers - With separate tweeters and woofers, deliver fuller, clearer and more powerful sound.
- Dolby Atmos and DTS:X - Cinematic, life-like 3D surround sound around and above you.
- 2 Upfiring Speakers - Reflect accurate overhead sound off the ceiling for Dolby Atmos and DTS:X content.
- Separate Tweeters and Woofers - True 2-way speaker design delivers pristine clarity and a wider audio range.
Frequently Asked Questions
What makes the Vizio M-Series M512a-H6 stand out among other soundbars?
The Vizio M-Series M512a-H6 stands out as one of the best budget Dolby Atmos soundbars available. It offers impressive room-filling sound with its 5.1.2 channel setup, including two up-firing drivers for height effects. The soundbar comes with a wireless subwoofer and rear speakers, providing a complete surround sound experience at an affordable price point.
What are the key features of the Vizio M512a-H6 soundbar?
The Vizio M512a-H6 features a 5.1.2 channel configuration, Dolby Atmos and DTS:X support, a wireless 6-inch subwoofer, two rear satellite speakers, and two upfiring drivers for height effects. It also includes various sound modes, HDMI eARC connectivity, and Bluetooth for wireless streaming.
How does the sound quality of the M512a-H6 compare to more expensive soundbars?
The Vizio M-Series M512a-H6 offers very good sound quality, especially considering its price point. While it may not match the absolute top-tier performance of premium soundbars like the Vizio Elevate, it delivers impressive audio with clear dialogue, powerful bass, and convincing Atmos effects that can rival more expensive options.
What input options does the Vizio M-Series M512a-H6 provide?
The M512a-H6 comes with multiple input options, including HDMI eARC, optical audio, USB, and a 3.5mm auxiliary input. It also supports Bluetooth for wireless connectivity and is compatible with voice assistants like Google Assistant and Amazon Alexa.
Does the M512a-H6 support different sound modes?
Yes, the Vizio M-Series M512a-H6 supports various sound modes to enhance different types of content. These include Movie, Music, Direct, and Game modes. Additionally, it features a Night Mode that reduces dynamic range for late-night listening without disturbing others.
How easy is it to set up and control the Vizio M512a-H6 soundbar?
Setting up the M512a-H6 is relatively straightforward. The soundbar comes with a comprehensive remote control that allows you to adjust volume levels, switch inputs, and change sound modes. Connecting the M512a-H6 to your TV via HDMI eARC simplifies the setup process and enables features like CEC for controlling the soundbar with your TV remote.
Can the Vizio M-Series M512a-H6 handle music playback as well as movies?
While the M512a-H6 excels at movie and TV audio, it’s also capable of delivering enjoyable music playback. The dedicated Music mode optimizes the sound for stereo content, and you can stream music via Bluetooth or use the various wired inputs. However, it’s worth noting that its primary strength lies in home theater performance.
How does the M512a-H6 compare to other Vizio soundbars like the M51a-H6 or the Elevate?
The M512a-H6 is an upgrade from the M51a-H6, offering improved Atmos performance with dedicated upfiring drivers. While it doesn’t have the rotating speakers of the more premium Vizio Elevate, the M512a-H6 provides excellent value for those wanting Atmos capabilities without breaking the bank. It strikes a balance between performance and affordability in Vizio’s soundbar lineup.