38" VIZIO 2.1 Home Theater Soundbar w/ Wireless Subwoofer  

by VIZIO | Item  #: 361226 | Model #:  S3821W-C0 |
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About this item

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  • Enjoy 100dB of sound with less than 1% total harmonic distortion*
  • Wireless subwoofer adds rich bass from anywhere in the room**
  • Wirelessly stream your music from a smartphone, tablet or PC via Bluetooth
  • Premium audio with Dolby Digital decoding, plus DTS TruVolume and DTS TruSurround audio post processing
  • Connect to your TV with an easy, one-cable setup


Upgrade your TVs audio with VIZIO’s 38” 2.1 Home Theater soundbar with Wireless Subwoofer. The perfect addition to any small to medium sized HDTV, this soundbar connects easily to your TV with just one cable. The wireless subwoofer adds bass missing from your TV, all without the need to run any extra wires. Built-in Bluetooth allows you to wirelessly stream music from a smartphone or tablet, while Dolby Digital and DTS Digital Surround audio technologies turn movies, TV and games into an immersive audio experience. Rated at 100dB with less than 1% Total Harmonic Distortion*, the S3821w is one serious audio upgrade.

*Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total harmonic distortion calculated as electrical measurement of amplifier distortion.

**Wireless Subwoofer range approximately 60 feet – line of sight from soundbar.


  • Soundbar Size: 38”
  • Soundbar Speakers: Left & Right Channels (each) – 3.0” full-range drivers
  • Subwoofer Speakers: 6.0” Subwoofer
  • Sound Pressure Level: 100dB
  • Soundbar Frequency: 50Hz - 19kHz
  • Subwoofer Frequency: 50Hz - 100Hz
  • Audio Decoding Technology: Dolby Digital®
  • Sound Enhancement Technology: DTS TruSurround™, DTS TruVolume
  • Wireless Range (Subwoofer): 60’ Line of sight
  • Bluetooth: Yes
  • Soundbar buttons: Power, Input, Bluetooth, Volume Up, Volume Down
  • Remote: Yes
  • Power Input: 120V 60Hz
  • Installation: Table top and wall-mountable

Connections (Rear):

  • Analog Audio Input: 1x Stereo RCA
  • Analog Audio Input: 1x 3.5mm stereo mini jack
  • Digital Audio Input: 1x RCA (Coaxial)
  • Digital Audio Input: 1x Optical (Toslink)
  • USB Input: 1x USB (for .WAV audio Playback)

Package Contents: 

  • Soundbar
  • Wireless Subwoofer
  • Remote
  • RCA to 3.5mm Audio Cable
  • Digital Coaxial Cable
  • Optical Digital Cable
  • Wall mounts
  • Quick Start Guide
  • Soundbar Power Cable
  • Wireless Subwoofer Power Cable

Assembled Country


Assembled Size

Bar - 37.94"L x 2.88"W x 3.63"H

Subwoofer-13.5"L x 6.0"W x 11.0"H

Component Country




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Shipping Information

Standard - 2 to 6 business days

Premium - 2 to 4 business days

Express - 1 to 2 business days

Warranty Information

One Year Manufactures Warranty (Parts & Labor)

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