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The Vizio SB4020M is a 40-inch-wide soundbar with stereo speakers, SRS TruSurround and TruVolume effects, and is wall-mountable. It has two 2.75-inch full-range drivers and a 90Hz to 20kHz frequency response range.


  • Status: Available
  • Availability date: Nov. 6, 2012
  • Price at launch: $119.99


  • Alias: SB4020M-A0

Also Known As...

  • Width: 40.12 inches
  • Depth: 2.07 inches
  • Height: 4.12 inches
  • Weight: 4.8 pounds
  • Color: Black


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

Audio / Video

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

Input ports

  • Type: Sound bar
  • Speaker(s): 2
  • Speaker size (diameter): 2.75 inches
  • Frequency response (lowest): 90 Hz
  • Frequency response (highest): 20000 Hz


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