VIZIO 28” 2.1 Sound Bar System | SB2821-D6
Size: 28”
$129.99 Plus tax and shipping

VIZIO 28” 2.1 Sound Bar System | SB2821-D6

VIZIO 28” 2.1 Sound Bar System | SB2821-D6

$129.99 Plus tax and shipping
America's #1 Sound Bar Company.*

Premium Audio, Immersive Bass.

Upgrade your TV audio experience with the VIZIO 28” 2.1 Sound Bar System, a great fit for 42”+ Class TVs. The wireless subwoofer delivers a room-filling audio experience with deep thumping bass, and built-in Bluetooth® allows you to wirelessly stream audio from your mobile devices.

All-New 2015 Sound Bar
2.1 audio
2.1 Sound Bar System.

The 2.1 Sound Bar System features powerful speakers paired with a wireless subwoofer, delivering booming sound with crystal-clear audio quality. This combo brings an enticing home theater experience to the comforts of your home.

95 dB
Expansive Audio.

Upgrade to premium audio with VIZIO’s 28” 2.1 Sound Bar. Best in class audio performance delivers up to 95 dB of room filling, crystal clear sound with less than 1% total harmonic distortion1.

Wireless Subwoofer
Wireless Subwoofer.

Rich, powerful bass transforms movies, music, and TV into an explosive experience. Wireless means your home stays free of clutter while you get great sound.

Suited for Your Style and Space.

VIZIO Sound Bars are designed to blend in with a wide variety of placement options. They fit with any space and are sized to match your TV. Explore all the convenient and appealing places you can put your VIZIO Sound Bar.


Seamless Streaming.

Built-in Bluetooth® allows you to wirelessly stream audio from your mobile devices. Lose the wires and listen to your music with a tap of a finger from anywhere in the room.

Seamless Streaming

Streamlined Design.

VIZIO Sound Bars are crafted to accentuate your TV with a minimalist body style that blends in with any room of your home.

Streamlined Design
Streamlined Design
Streamlined Design

Premium Audio Technology.

VIZIO Sound Bars utilize Dolby® and DTS® audio technologies to deliver elevated multi-channel audio for the most immersive sound quality.

Premium Audio Technology
Dolby Digital
Dolby Digital®

The audio standard for cinema, broadcast, DVD, Blu-ray, and streaming content, Dolby Digital® surround sound provides dramatic spatial dimension to soundtracks and enhanced audio definition for an engaging listening experience.

DTS TruSurround
DTS TruSurround

DTS TruSurround is a virtual surround sound solution that delivers a realistic surround sound environment 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 Manufactured under license from DTS Licensing Limited. DTS, DTS logo, & DTS and DTS logo together are registered trademarks of DTS, Inc., DTS TruVolume and DTS TruSurround are registered trademark of DTS, Inc. © DTS, Inc. All Rights Reserved.
— Dolby and the Dolby-D Symbol are registered trademarks of Dolby Laboratories.
— Bluetooth is a registered trademark of Bluetooth SIG, Inc.
* The NPD Group / Retail Tracking Service, units sold in the U.S., Jan 1 2010 – Feb 28 2015.
1. SB3821-C6 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.
† Performance and compatibility among Bluetooth devices may vary.

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 Size28”
  • Sound Bar Speakers2 x 2.5” Full Range Drivers
  • Sound Pressure Level95 dB
  • System Frequency50 Hz - 19 KHz
  • Sound Enhancement TechnologyDolby Digital®, DTS Studio Sound™, DTS TruSurround™, DTS TruVolume™
  • BluetoothYes
  • Sound Bar ButtonsPower, Input, Bluetooth, Volume Up, Volume Down
  • RemoteYes
  • Power Input120V 60 Hz
  • InstallationTable top and wall-mountable
  • Package ContentsSound Bar, Subwoofer, XRS321-D Remote, 5’ RCA to 3.5mm Stereo Audio Cable, 4’ Digital Optical Cable (Toslink), 5’ Digital Coaxial Cable, Wall Mounts, Quick Start Guide, 8’ Sound Bar Power Adapter, 4’ Subwoofer Power Cable


  • Analog Audio Input1x Stereo RCA
  • Analog Audio Input1x 3.5mm stereo mini jack
  • Digital Audio InputRCA jack for digital input (SPDIF)
  • Digital Audio Input1x Optical (Toslink)
  • USB Input1x USB (for .WAV Audio Playback)

Dimensions and Weight

  • Sound Bar Dimensions28”W x 3”H x 3”D
  • Product with Stand Weight3.85 lbs.
  • Subwoofer Dimensions7.67”W x 7.67”H x 7.67”D
  • Subwoofer Weight6.28 lbs.
  • Product Packaging Dimensions30.25”W x 14.5”H x 10”D
  • Product Packaging Weight14.43 lbs.

VIZIO Warranty

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

Support Links

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