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Breaking the mold of traditional HDTVs, the VIZIO SV421XVT series brings you the latest, cutting edge HDTV technologies. From 1080p full high definition resolution, to 240Hz SPS, 50,000:1 contrast ratio and advanced sound technologies.

1080P Full HD
Full 1080P High Definition resolution gives you over 2 million pixels, making the clarity and detail of your picture razor sharp.

240Hz Refresh Rate
Delivers 240 scenes per second producing enhanced frame rate and delivering sharper clarity of fast action scenes for blur free images.


The latest, cutting edge HDTV technologies. Click for Details

ECO HD
ECO HD exceeds the current Energy Star Guidelines by 15% below Energy Star 3.0, saving you money on your utility bills while limiting the impact on our planet.

USB Multimedia Features
Plug portable hard drives, flash thumb drives or other USB devices into the SV421XVT for enjoying a variety of digital media. The SV421XVT supports the following formats:

  • Video: ASF, WMV, AVI, MP4, MOV, MPG, MPEG, VOB
  • Audio: MP3
  • Image: JPG, JPEG

Easily browse to your video content and enjoy with a 4:3 or 16:9 aspect ratio and a suitable picture mode. With MP3s, you’ll get repeat and shuffle playback modes along with standard controls and various EQ settings. When in Music Mode, the screen goes darker to conserve energy. As for your JPEGs, you can browse through them or enjoy a slide show, complete with background music.

Built-In Speakers
Two built-in 15-Watt speakers provide room-filling sound.

SRS Audio Technologies
SRS TruVolume evens out dynamics to limit volume inconsistencies between programming. SRS TruSurround HD delivers immersive virtual high-definition surround sound out of the unit’s two speakers.


Full 1080p resolution for the best picture.

240 Hz refresh rate for blur-free images.

Browse and play back video, music and images from USB devices.

Full-function remote included.

SV421XVT Inputs

  • HDMI with HDCP: 4 (1 side)
  • RF Connector for Internal Tuner: 1
  • Component YPbPr plus Stereo Audio: 2 (1 side)
  • S-Video: 1
  • Computer RGB: 1
  • Composite Video: 2 (1 side)
  • USB Port: 1

SV421XVT Outputs

  • SPDIF Digital Optical: 1
  • Headphones: 1 (side)

What’s in the Box
VIZIO SV421XVT, VIZIO remote control VUR8M, AA batteries for the remote control (2), Power cord, Safety Strap, Cleaning Cloth, User manual, Quick Setup Guide, Registration Card.

One-Year Warranty
VIZIO provides a one-year warranty on its products for extra peace of mind in your purchase.