M-Series Quantum 55" Class 4K HDR Smart TV

M-Series Quantum 55" Class 4K HDR Smart TV | M556-H4

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More Color, More Detail, More for Everyone.



See your dreams in a billion colors.  

With more color than most 4K TVs, the M-Series is a powerfully immersive dream machine capable of generating over a  billion intense colors. 

Dazzling brilliance. 

The M-Series™ shines brightly to bring incredible detail out of the lowlights, and add dazzle to the highlights.                                                                                            

True black. 

With local dimming zones, the M-Series  backlight intelligently adjusts with the on-screen action to generate absorbingly deep black levels, brighter highlights, and dazzling contrast.

See the details in the detail.             

With 4K Ultra HD and Dolby Vision™ HDR you get to see a lot more of everything. 

VIZIO IQ ActiveTM Processor. 

Inside, the lightning-fast IQ Active processor delivers superior picture processing, and more intelligent 4K upscaling engine displaying your favorite HD entertainment in spectacular 4K quality.



V-Gaming EngineTM

Automatically optimizes Xbox and Playstation® gameplay with a unique suite of gaming features that provide smoother graphics, more responsive gaming, and better 4K HDR picture quality.

Desirable by design.

With its sleek modern lines, ultra slim bezel, and flared matching legs, the gorgeous M-Series™ is the perfect entertainment centerpiece to enhance your space. 


Endless Entertainment, Right Out of the Box

Stream Everything You Love.

VIZIO SmartCast makes it easy to access your favorite apps, binge with hundreds of free streaming channels, and stream the apps you know and love from your phone to your VIZIO TV.

Built in:
Control Your Experience

Use voice to control the TV with popular voice assistants including Siri, the Google Assistant and Alexa-enabled devices – turn your TV on/off, stream apps, and more.

Share To Your Big Screen

With Apple AirPlay and Chromecast built-in, wirelessly share your pictures, slide shows, presentations, from your phone, tablet, or computer to the big screen. 

Works with:

Recommended Smart TVs


Amp up your TV experience with a sound bar


What the Tech Experts Say


What makes a VIZIO a VIZIO?

Affordable, Proven Technology

VIZIO mixes the best of proven technologies to make the best performance at the price. Experts agree.

That Works With Everything

Your VIZIO should work with you and your home. That's why VIZIO supports all popular video and audio formats, as well as Alexa, Google and Siri.

And Gets Better Over Time

VIZIO TV’s are automatically updated. This means that your TV will receive new features and functionality as you’re enjoying it for years to come.

This product can expose you to chemicals, including Styrene which is known to the State of California to cause cancer, and Bisphenol A which is known to the State of California to cause birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.