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The Vizio SB4020E is a 2.1 audio system with a 40-inch-wide soundbar plus subwoofer, SRS TruSurround and TruVolume effects, and is wall-mountable. It has two 2.75-inch full-range drivers with a 90Hz to 19.5kHz frequency response range and a 6.5-inch subwoofer spanning the 50Hz to 90Hz range.


  • Status: Available
  • Availability date: Nov. 6, 2012
  • Price at launch: $199.99


  • Alias: SB4021E-A0

Also Known As...

  • Width: 40.72 inches
  • Depth: 2.5 inches
  • Height: 3.28 inches
  • Weight: 5.7 pounds
  • Color: Black


  • Audio codecs supported: MP3


  • Surround sound effects: SRS TruSurround HD, SRS TruVolume
  • Audio channels: 2.1

Audio / Video

  • Digital optical audio input(s): 1
  • Analog stereo input(s): 1
  • 3.5mm stereo input(s): 1

Input ports

  • USB: 1


  • Type: Sound bar, Subwoofer
  • Speaker(s): 2, 1
  • Speaker size (diameter): 2.75 inches, 6.5 inches
  • Frequency response (lowest): 90 Hz, 50 Hz
  • Frequency response (highest): 19500 Hz, 90 Hz


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