42" Class Theater 3D™ Edge Lit Razor LED™ with VIZIO Internet Apps®

  • Theater 3D™
  • 4 pairs of VIZIO 3D glasses
  • Edge Lit Razor LED™ backlight with Smart Dimming
  • VIZIO Internet Apps® (V.I.A)
  • Built-in WiFi (802.11n)
  • 1080p Full HD
  • 240 Hz SPS
  • 5,000,000:1 Dynamic Contrast Ratio
  • Bluetooth® remote with QWERTY Keypad
  • SRS StudioSound HD™
  • Theater 3D™
  • 4 pairs of VIZIO 3D glasses
  • Edge Lit Razor LED™ backlight with Smart Dimming
  • VIZIO Internet Apps® (V.I.A)
  • Built-in WiFi (802.11n)
  • 1080p Full HD
  • 240 Hz SPS
  • 5,000,000:1 Dynamic Contrast Ratio
  • Bluetooth® remote with QWERTY Keypad
  • SRS StudioSound HD™

This product is no longer available on VIZIO.com

42" Class Theater 3D™ Edge Lit Razor LED™ with VIZIO Internet Apps® | M3D421SR

Product Overview

Enter the Immersive World of Theater 3D™
Bring the 3D movie theater experience home. VIZIO’s 42” Class Theater 3D™ Edge Lit Razor LED™ LCD HDTV with VIZIO Internet Apps® delivers stunning, cinema-style 3D. Whether you’re watching the latest blockbuster or the championship game, with Theater 3D you get crystal-clear, flicker-free 3D that’s brighter with less ghosting than conventional 3D. 

Get 3D & Full HD in One Amazing TV
Don’t miss a thing. Watch Theater 3D plus all your standard and high definition movies and TV shows on this 42” TV. Its striking 240Hz refresh rate, 1080p Full HD and 5 million to 1 Dynamic Contrast Ratio deliver truly deep blacks, brilliant color and smooth fast-action viewing. It’ll turn any room into the main attraction.


Includes Theater 3D Glasses
With four pairs of polarized, battery-free, 3D glasses included, you can immediately share the excitement with friends and family. Bring these lightweight Theater 3D™ glasses to the theater and watch a 3D movie in comfort and style.*   

Internet TV: Unlimited Entertainment
This 3D HDTV also includes VIZIO Internet Apps® and built-in WiFi, giving you the convenience of on-demand movies, TV shows, social networking, music, photos, and more—all at the push of a button on the premium Bluetooth® universal remote with sliding QWERTY keypad.

Smart Dimming. Smart Viewing.
Razor LED™ backlighting with Smart Dimming intelligently controls each block of LEDs, automatically turning them completely on and off as viewing content requires. The result is truly deep blacks, brighter whites and vivid colors that mark this HDTV as among the best in the industry. 

Spectacular Surround Sound 
Treat yourself to a phenomenal entertainment experience. StudioSound HD™ provides immersive surround sound over stereo speakers, complete with deep bass and crisp high-frequency details. With SRS TruVolume™, it also levels abrupt volume fluctuations and delivers crystal clear dialog throughout programming. The end result — a complete and truly engaging theater experience over stereo speakers.

Exceeds ENERGY STAR® for TV 5.3 Guidelines
Conserve energy and the environment. This HDTV uses technology with remarkably low energy consumption that exceeds ENERGY STAR® 5.3 Guidelines so your wallet and the planet are both better off.

Theater 3D™ Powered by FPR
Theater 3D Powered by FPR

Bring the movie theater experience home! Theater 3D™ delivers cinema-style 3D with lightweight battery-free glasses.


This 42" Theater 3D HDTV displays both traditional HDTV programming and 3D content and is compatible with the widest array of 3D formats. 

Theater 3D™ Glasses
Theater 3D™ Glasses

Theater 3D eyewear are affordable enough to outfit the entire family, even friends - perfect for 3D sporting, movie or concert events. Even use them at your local movie theater. 

Crystal Clear Viewing
Crystal Clear Viewing

Theater 3D generates crystal clear flicker-free 3D that's up to 50% brighter than conventional 3D. 

Edge Lit Razor LED™
Edge Lit Razor LED™

Thin, beautiful Razor LED delivers deeper blacks and brighter whites for rich, vivid detail in brilliant HD. It’s also Mercury Free and remarkably energy efficient, making it a smart and planet friendly choice.  Learn More

VIZIO Internet Apps® (V.I.A.)
VIZIO Internet Apps® (V.I.A.)

Easily connect to the Internet and stream movies and TV shows, listen to music and get the latest news, sports and weather.  Learn More

240Hz SPS*
240Hz SPS*

240Hz SPS* Smooth Motion technology delivers 240 scenes per second producing enhanced frame rate and delivering sharper clarity of fast action scenes for blur free images.  Learn More

Wi-Fi Technology
Wi-Fi Technology

The latest 802.11n Wireless Networking is built-in making connecting to the Internet quick and easy.

Customized Bluetooth® Remote 
Customized Bluetooth® Universal Remote Control

This customized Bluetooth® remote with slide out QWERTY keypad enables you to control your TV, even type onscreen, from any spot in the room.  Learn More

Dynamic Contrast Ratio
Dynamic Contrast Ratio

5,000,000:1 Dynamic Contrast Ratio delivers deeper blacks and brighter whites through contrast and dimensions.  Learn More

SRS StudioSound HD™
SRS StudioSound HD

SRS StudioSound HD™ delivers immersive surround sound, deep bass, clear dialog and level volume.  Learn More


ECO HD™ exceeds the current ENERGY STAR® Guidelines, saving you money on your utility bills while limiting the impact on our planet. Learn More

Tech Specs

Class: 42"
Viewable: 42.02"
Backlight Type: Edge Lit Razor LED™
Type of 3D: Theater 3D™
Resolution: 1080p
Colors: 1.06 billion
Dynamic Contrast Ratio: 5 million:1
Refresh Rate: 240Hz SPS
Response Time: 5ms
Viewable Angle (horizontal/vertical): 178 degrees


SRS StudioSound™: Yes
SRS TruSurround HD™: Yes
SRS TruVolume™: Yes
Channels/Speaker Output: 2 x 10W


Connections - Inputs (REAR)
HDMI with HDCP: 0
Component: 1
Composite: 1 (shared with component input)
VGA: 1
Stereo Audio (RCA): 1
RF Connector for Internal Tuner: 1
Ethernet: 1 - 10/100


Connections - Inputs (SIDE)
HDMI with HDCP: 4
USB 2.0:


Connections - Outputs
Optical Digital Out (SPDIF): 1
Analog Audio Out (RCA): 0
Analog Audio Out (3.5mm): 1


Multimedia Support
Music (MP3): Yes
Photo (JPEG): Yes
Video (MPEG): No


Additional Features
Smart Dimming: Yes
Smooth Motion: Yes
Picture-in-Picture (PIP): No
Ambient Light Sensor: Yes
Bluetooth: Yes
Wireless (WiFi): 802.11n
Wireless HD (1.0): No
Mercury Free: Yes
Remote Control: Yes (Bluetooth remote with keyboard)
Power Consumption: 81W
Stand-by Power: <1W


Gross: 44.2lbs
Net With Stand: 37.5lbs
Without Stand: 32.3lbs


With Stand: 39.9"W x 26.5"H x 9.6"D
Without Stand: 39.9"W x 25"H x 1.2"D
Packaging Dimensions: 44.4"W x 29.5"H x 7.4"D


Certifications CSA, CSA-US, FCC Class B, HDMI V1.4 incl. CEC, ARC, VIZIO PQA, VIZIO AQA


Compliances Energy Star® for TV version 5.3, ATSC Spec A/65, EIA/CEA-766-A


Wall Mount Specifications
Hole Pattern: 400(V)mm X 400(H)mm
Screw Size: M6
Screw Length: 1.0mm
Screw Pitch: 10mm


VIZIO Warranty One Year Parts & Labor; Free Lifetime Technical Support


VIZIO, Inc. has made every effort to ensure the accuracy of the information provided herein. All product specifications, functionality, features, configurations, performance, design and other product information described herein are subject to change without notice. VIZIO, Inc. disclaims liability for typographical, technical, or descriptive errors.

Customer Reviews

great Review by dad

got it a few years ago on black friday at wallmart. great buy! sad they dont make it anymore...

(Posted on 3/6/14)

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Support Information

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VIZIO Internet Apps Chart View

Warranty Details

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