38” 2.1 Home Theater Sound Bar with Wireless Subwoofer | S3821w-C0
Size: 38”
$159.99 Plus tax and shipping

38” 2.1 Home Theater Sound Bar with Wireless Subwoofer | S3821w-C0

38” 2.1 Home Theater Sound Bar with Wireless Subwoofer | S3821w-C0

$159.99 Plus tax and shipping
VIZIO Sound Bar.

Audio Built to Boom.

Upgrade your TV's audio with VIZIO’s 38” 2.1 Home Theater Sound Bar with Wireless Subwoofer. The perfect addition to any small to medium sized HDTV, this sound bar 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.
2.1 Sound Bar System Unboxing Video

Audio Upgrade for your TV

DreamWorks The Croods © 2013 DreamWorks Animation LLC. All Rights Reserved. Screen image simulated.

Expansive Audio.

Upgrade to premium audio with VIZIO’s 38” 2.1 Channel Home Theater Sound Bar. Best in class audio performance delivers up to 100 dB of room filling, crystal clear sound with less than 1% total harmonic distortion*.

100 Decibels
Bluetooth Streaming.

Bluetooth allows for wireless streaming of music from a smartphone, tablet, computer or music player etc. Simply pair your device with the sound bar, then sit back and DJ from the comfort of the couch.

Bluetooth Enabled
DTS TruSurround
DTS TruSurround

DTS TruSurround is a virtual surround sound solution that delivers a realistic surround sound environment over Stereo or 3.1 speaker configurations, most notably on sound bars.

DTS TruVolume
DTS TruVolume

DTS TruVolume is a revolutionary solution that provides a consistent and comfortable volume level for a more enjoyable multimedia experience. Simply set the volume once.

3 months of TIDAL HiFi Music Service – FREE
6 months of TIDAL HiFi Music Service – FREE

— For DTS patents, see http://patents.dts.com. Manufactured under license from DTS Licensing Limited. DTS, the Symbol, & DTS and the Symbol together are registered trademarks of DTS, Inc., DTS TruSurround and DTS TruVolume are registered trademarks of DTS, Inc. © DTS, Inc. All Rights Reserved.
— Bluetooth is a registered trademark of Bluetooth SIG, Inc.
* S3821w-C0 is rated at 100 dB. Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total Harmonic Distortion calculated as electrical measurement of amplifier distortion.

VIZIO, Inc. has made every effort to ensure the accuracy of the information provided herein. All product specifications, functionality, features, configurations, performance, design and other product information described herein are subject to change without notice. VIZIO, Inc. disclaims liability for typographical, technical, or descriptive errors.

Tech Specs

  • Sound Bar Size38”
  • Sound Bar SpeakersLeft & Right Channels (each) – 3.0” full-range drivers
  • Subwoofer Speakers Response6.0” Subwoofer
  • Sound Pressure Level100 dB
  • Sound Bar Frequency50 Hz - 19 kHz
  • Subwoofer Frequency50 Hz - 100 Hz
  • Audio Decoding TechnologyDolby Digital®
  • Sound Enhancement TechnologyDTS TruSurround™, DTS TruVolume™
  • Wireless Range (Subwoofer)60’ Line of sight
  • BluetoothYes
  • Sound Bar ButtonsPower, Input, Bluetooth, Volume Up, Volume Down
  • RemoteYes
  • Power Input120V 60 Hz
  • InstallationTable top and wall-mountable
  • Package ContentsSound Bar, Wireless Subwoofer, Remote, RCA to 3.5mm Audio Cable, Digital Coaxial Cable, Optical Digital Cable, Wall mounts, Quick Start Guide, Sound Bar Power Cable, Wireless Subwoofer Power Cable


  • Analog Audio Input1 x Stereo RCA
  • Analog Audio Input1 x 3.5mm stereo mini jack
  • Digital Audio Input1 x RCA (Coaxial)
  • Digital Audio Input1 x Optical (Toslink)
  • USB Input1 x USB (for .WAV audio Playback)

Dimensions and Weight

  • Sound Bar Dimensions37.94”W x 3.63”H x 2.88”D
  • Product with Stand Weight5.2 lbs.
  • Subwoofer Dimensions13.5"W x 11.0”H x 6.0”D
  • Subwoofer Weight9.5 lbs.
  • Product Packaging Dimensions40”H x 7.6”W x 17.0”D
  • Product Packaging Weight20 lbs.

VIZIO Warranty

  • WarrantyOne Year Parts & Labor. Free Lifetime Technical Support.

Support Links

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