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Vizio E421VO(42")

alaTest has collected and analyzed 1 review of Vizio E421VO(42"). The average rating for this product is 5.0/5, compared to an average rating of 4.3/5 for other TVs for all reviews. Reviewers really like the design and usability. The sound and price also get good opinions. Many are less positive about the reliability.

image quality, price, sound, usability, design


On average, users rate this product 100/100.

See all VIZIO TVs

Review analysis

(Based on 1 reviews)

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Consumer review (



Maybe more of an instruction manual than just a quick start guide could have been included but I was able to figure our all out.

Works like you would expect

Nothing serious

Apr, 2013

Product Specifications


Built-in speaker(s):Y
Built-in speakers: Yes
Number of loudspeakers:2
Number of Speakers:2
RMS rated power:10


Certification:CSA, CSA-US, FCC Class B
Plug and Play: Yes


Color of product:Black
LED Indicators: Yes


3D compatibility: No
Comb Filter:3D
Contrast ratio (dynamic):100000:1
Display brightness:500
Display Diagonal:42
Display number of colors:1.073 billion colours
Display Resolution:1920 x 1080
HD type:Full HD
Pixel Pitch:0.0191 x 0.0191
Progressive Scan: Yes
Response Time:5
Supported graphics resolutions:1024 x 768 (XGA), 1920 x 1080 (HD 1080), 640 x 480 (VGA), 800 x 600 (SVGA)
Supported video modes:1080i, 1080p, 480i, 480p, 720p
Viewing angle, horizontal:178
Viewing angle, vertical:178

Energy Management

AC input frequency:50/60
AC input voltage:230
Power consumption (standby):0.37
Power consumption (typical):111


VESA mounting:Y
VESA mounting interfaces:200 x 200

Management Features

Electronic Program Guide (EPG):N
Electronic Programme Guide (EPG): No
On/Off timer: Yes
Picture-in-Picture: No


Bluetooth: No
Ethernet LAN:N
Ethernet LAN connection: No
Wi-Fi: No

Other Features

Backlight: Yes
Backlight type:CCFL

Packaging Data

Manual: Yes


Card reader integrated: No
Teletext function: No

Ports & interfaces

Audio (L,R) out:1
Common interface (CI): No
Component video (YPbPr/YCbCr) in:1
Composite video in:1
Digital audio optical out:1
HDMI ports quantity:3
PC Audio in: No
PC in (D-Sub): Yes
RF ports quantity:1
S-Video in:1
S-Video inputs quantity:1
USB 2.0 ports quantity:1


AC input frequency:50/60
AC input voltage:230
Power consumption (standby):0.37
Power consumption (typical):111

TV Tuner

Analog signal format system:NTSC
Digital signal format system:ATSC
Tuner Type:Analog & digital

Weight & Dimensions