42” 2.1 Home Theater Sound Bar with Wireless Subwoofer | S4221w-C4
Size: 42”

42” 2.1 Home Theater Sound Bar with Wireless Subwoofer | S4221w-C4

42” 2.1 Home Theater Sound Bar with Wireless Subwoofer | S4221w-C4



Save $120.00

Plus tax
VIZIO Sound Bar.

Big Audio for Your Big Screen.

Upgrade to premium audio with VIZIO’s 42” 2.1 Home Theater Sound Bar with Wireless Subwoofer. Designed to fit any medium to large sized HDTV, this sound bar connects easily to your TV with just one cable. Packed with the latest Dolby and DTS audio technologies - movies, TV, games and music come to life in crystal clear audio.
VIZIO 2.1 Home Theater Sound Bar Video

Big Audio for Your Big Screen

DreamWorks How to Train Your Dragon 2 © 2014 DreamWorks Animation LLC. All Rights Reserved. Screen image simulated.

Next Level Audio Experience.

Full Surround Sound Immersion.

The VIZIO 2.1 home theater comes with a two channel sound bar and wireless subwoofer for thunderous bass. TV, movies, sports and games will come to life in up to 101 dB of roof-raising volume with less than 1% of total harmonic distortion1.

2.1 Audio
101 Decibels
Next Level Audio

Screen image simulated.

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 over Stereo or 2.0 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.

Convenient Connection.

Just Set It Up, Plug It In and Turn It On.

Connecting a single audio cable is all it takes to fill any room with rich immersive sound within minutes. Every VIZIO sound bar comes equipped with any connection you might need to get your audio booming quickly, with maximum convenience and minimal clutter.

Wireless Subwoofer
Bluetooth Connectivity
LCD Display Remote
VIZIO 2.1 Soundbar Unboxing Video

1Sound 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 Size42”
  • Sound Bar SpeakersLeft & Right Channels (each) – 2x 3.0” mid-range drivers, 1x ¾” tweeters
  • Sound Pressure Level101 dB
  • Sound Bar Frequency90 Hz - 20 kHz
  • Subwoofer Frequency40 Hz - 90 Hz
  • Audio Decoding TechnologyDolby Digital®, DTS Digital Surround
  • Sound Enhancement TechnologyDTS TruSurround™, DTS TruVolume™
  • Wireless Range (Subwoofer)60’ Line of sight
  • BluetoothYes
  • Sound Bar ButtonsPower, Input, Bluetooth, Volume Up, Volume Down
  • RemoteYes – Display Remote
  • 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 playback)

Dimensions and Weight

  • Sound Bar Dimensions42.32”W x 3.74”H x 3.15”D
  • Product with Stand Weight8.4 lbs.
  • Subwoofer Dimensions6.93”W x 12.52”H x 15.86”D
  • Subwoofer Weight14.7 lbs.
  • Product Packaging Dimensions44.5”W x 10”H x 18.6”D
  • Product Packaging Weight29 lbs.

VIZIO Warranty

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

Support Links

Contact Support

Clear All

You can compare a maximum of three products at a time.