This thing has no business sounding this good, given what it costs. It is a tremendous value for a simple, home theater audio in a box solution.
Now the "good for what it costs" part is important. It doesn't break the laws of physics, you can certainly spend more and get more, but the little dedicated subwoofer really does a solid job in compensating for the relatively small speakers in the main unit. It also gets surprisingly loud for its size without introducing meaningful distortion.
Are you going to put this thing in a giant, dedicated home theater or a huge great room with a cathedral ceiling and be happy with the results? Probably not. But in a bedroom, an apartment or an average-sized living room or den, this is likely going to give you results you are happy with for both movies and most casual listening.
When you give it a workout across a bunch of different genres of music, you find the results vary between adequate and excellent. There are some basic physics reasons behind why you normally need much bigger speakers to get truly excellent high fidelity sound. So occasionally the results are a bit flat and uninspired. But it does a pretty remarkable job for what it cost and how big it is. What you will notice if you listen with a very critical ear is that there is some muddiness in the mid-range and the bass rolls off too early because the little sub runs out of steam, but that almost seems unfair to criticize at this price point. Most people won't even notice any of that.
On the other hand, don't get super excited about the strength of the Dolby Atmos effects here. Atmos is designed to create a 3d sound field and place sounds in the physical space around the listener. It is a cool new technology and movies are starting to be mastered in it. Normally that 3d sound effect means you have to have additional channels physically mounted in the ceiling. Like all of these sound bars, it doesn't have actual ceiling speakers and instead has to make do with pointing some speakers up at the ceiling to bounce the sound off the ceiling indirectly.
If you stick it in a basically square or rectangle shaped room with an 8 foot ceiling and no obstructions, it does sort of work. But if you have a cathedral ceiling or sloped ceiling or anything other than the basic box shaped room it likely won't do much of anything. On the other hand, the more basic, 5.1 surround sound effects are perfectly adequate, assuming you can place the little rear speakers properly.
Installation wasn't hard, although note that there are specific requirements that the system sit in front of and a certain distance below the TV because of the Atmos, up-firing speakers. The rear surrounds connect to the subwoofer with standard speaker wires and the separately powered subwoofer then connects wirelessly to the main unit. The little sub is ported, so it can't be set absolutely flush against a wall. It all came pre-paired up and worked perfectly right out of the box.
I have a modern tv, and was able to connect with eARC/HDMI successfully. I also paired my phone to the device using bluetooth and that worked easily too. I can control the volume with both the TV remote and the Apple TV remote control, and so I will almost never need to use the included remote for much of anything beyond initial setup.
There is a reason why this unit got such good reviews on the big audio review channels. It really is a good value for the price.
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VIZIO M-Series 5.1.2 Home Theater 40" Soundbar Dolby Atmos and DTS:X (Renewed) $339.99 & FREE Shipping
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This item: VIZIO M-Series 5.1.2 Immersive Sound Bar with Dolby Atmos, DTS:X, Bluetooth, Wireless Subwoofer, Voice Assistant Compatible, includes Remote Control - M512a-H6
$399.99
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This Item  VIZIO M-Series 5.1.2 Immersive Sound Bar with Dolby Atmos, DTS:X, Bluetooth, Wireless Subwoofer, Voice Assistant Compatible, includes Remote Control - M512a-H6 |  |  |  |  |  | |
| Price | -20% $399.99 List: $499.99 | -6% $149.99 List: $159.99 | $115.00 | -13% $139.99 List: $159.99 | -13% $69.99 List: $79.99 | -18% $139.99 List: $169.99 |
| Delivery | Get it as soon as Tuesday, Aug 13 | Get it as soon as Tuesday, Aug 13 | Get it as soon as Tuesday, Aug 13 | — | Get it as soon as Tuesday, Aug 13 | Get it as soon as Tuesday, Aug 13 |
| Customer Ratings | ||||||
| Bluetooth connectivity | ||||||
| Sound quality | ||||||
| Value for money | ||||||
| Remote Control | ||||||
| Easy to install | ||||||
| Sold By | Amazon.com | Amazon.com | Amazon.com | R&NDeals | Amazon.com | Amazon.com |
| speaker size | 6 inches | 4.5 inches | 3 inches | 4.5 inches | 3.5 millimeters | 5.25 inches |
| power source | Information Not Available | AC | AC | Corded Electric | Information Not Available | Corded Electric |
| connectivity tech | USB, Bluetooth | HDMI, Optical | USB, Bluetooth | wired, wireless | wired, wireless | Bluetooth, HDMI |
| speaker type | Subwoofer | Soundbar | Soundbar | Surround | Soundbar | Soundbar |
| mounting type | Wall Mount and Table Top | Wall Mount | Wall Mount | Sound Bar | Sound Bar | Wall Mount, QuickFit (Compatible with select VIZIO TVs.) |
| weight | 6 pounds | — | 8 pounds | 3.84 pounds | 4.95 pounds | — |
From the manufacturer
M Series
Cinematic 5.1.2 Home Theater Sound
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Surround SpeakersLow-profile surround speakers are volume-adjustable and can also be placed in front for a customizable 5.1 surround sound experience in any room. |
6” Wireless SubwooferRock the house on movie night with powerfully deep bass that really booms. |
Backlit Display RemoteFull-featured remote with comfort grip and easy to navigate. |
Cinema-Quality Surround
Dolby Atmos and DTS:X bring movies, music, and games to life with thrilling 3D surround sound, even from above, turning any room into a captivating personal cinema.
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Voice Assistant InputConnect Alexa, Siri, or Google Assistant devices to the sound bar for an amplified audio experience. |
Unlock the Highest QualityGet the highest-quality audio from your sound bar with the included HDMI cable. |
Control with your TV RemoteWith HDMI, use your TV remote to control your sound bar. |
Upgrade Your Gaming Experience
Dolby Atmos and DTS:X sound technologies utilizes object-based audio decoding to pinpoint exactly where sound is coming from, whether that’s in front, to the side or even above you, to get you the advantage you need on your opponents.
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VIZIO M512a-H6 Sound Bar Video
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Inspiration from this brand
Reviews with images
This thing THUMPS!!
What did I dislike…it was very confusing to have the soundbar plugged into hdmi/arc on the TV while using a fire cube and Xbox. I got it all working but it took a lot of unplugging…thinking and plugging in different ways. Tbh I’m not exactly sure how I did it but it works seamlessly now. I can tell Alexa to do everything. Play Xbox, switch to fire cube, control the soundbar and soooo much more.Someone commented the Dolby Atmos wasn’t worth it as well as the up firing speakers. I’m betting he didn’t have it hooked up right. When I had it plugged in through the optical only it did not sound good. Surround was non existent. As soon as I used an 8k hdmi arc into the TV it all changed. Don’t forget to change the input on the remote. Otherwise nothing changes.So. All in all the sound sucks before you do what I said and tinker with all the volume levels etc.GREAT BUY. I wouldn’t pay $600 but I got it on sale 499.00. Idk. I might pay 600 tbh. It sounds that good.The pictures are the upgrade from my old vizio system with 5” sub which is what the lesser model comes with. Pay the extra money. It’s awesome. The range of the surround speakers is impressive as well
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Jorge contreras Laborde
NO lo compren con PICTUSSHOP, eviten problemas.
Reviewed in Mexico on March 8, 2023