40" VIZIO 2.1 Home Theater Sound Bar w/ Wireless Subwoofer 

by VIZIO | Item  #: 494257 | Model #:  SB4021M-A1 |
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About this item

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  • Stylish and slim – perfect for TVs 42” and larger
  • Wireless subwoofer adds rich, powerful bass
  • Dolby Digital, SRS TruSurround HD™ and SRS TruVolume™ technology
  • Table-stand or wall-mount options


Upgrade to premium audio with VIZIO’s 40” 2.1 Home Theater Sound Bar with Wireless Subwoofer. Its sophisticated design and slim profile make an attractive addition to any 42” and larger TVs. This sound bar features stereo full-range drivers, Dolby Digital technology, and a wireless subwoofer that adds rich, powerful bass from anywhere in the room*. SRS TruVolume™ ensures a TV viewing experience with fewer volume fluctuations, and SRS TruSurround HD™ adds immersive surround sound without the need for cumbersome rear speakers. Setup has never been easier—just connect the included audio cable to your TV and indulge in powerful, immersive audio.


  • Easy-to-read display tells you volume, input setting and more
  • Connect to your TV with an easy, one-cable setup
  • USB input for direct playback of MP3 music files
  • Table-stand or wall-mount options
  • Sound bar Size : 40”
  • Sound bar Speakers : Stereo 2.75” Full Range Drivers
  • Subwoofer Speakers: 6.5” Subwoofer
  • Sound Pressure Level: 101dB
  • Sound Bar Frequency: 150Hz-19.8kHz
  • Subwoofer Frequency: 40Hz-150Hz
  • Sound Enhancement Technology: Dolby Digital, SRS TruSurround HD™, SRS TruVolume™
  • Wireless Range (Subwoofer): 60' line of sight
  • Sound bar buttons: Power, Input, Volume Up, Volume Down
  • Remote : Yes
  • Power Input : 100-240V~50/60Hz
  • Installation: Table top and wall-mountable
  • Package Contents: Sound Bar, Subwoofer, Power Adapter, 3.5mm to RCA Audio Cable, Quick Start Guide, Remote Control with BatteryConnections (Rear):
  • Analog Audio Input : 1 x 3.5mm Mini Jack
  • Digital Audio Input : 1 x Optical (Toslink)
  • Digital Audio Input: 1 x RCA (Coaxial)
  • Subwoofer Output: 1 x RCA

Assembled Country


Assembled Size

  • With Stand: 40.12"L x 4.12"W x 2.07"H
  • Without Stand: 40.12"L x 3.32"W x 2.07"H
  • Subwoofer Dimensions: 8.5” x 12.78” x 11.25”

    Component Country




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    Standard - 2 to 6 business days

    Premium - 2 to 4 business days

    Express - 1 to 2 business days

    Warranty Information

    1 Year Manufacturer's Warranty (Parts & Labor)

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