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Item#: 9SIA24G1S88428

VIZIO S4221W-C4 42" 2.1 Home Theater Sound Bar w/ Wireless Subwoofer

  • Best in class audio performance: 101dB of room filling, crystal clear surround sound
  • Wireless subwoofer adds rich, powerful bass from anywhere in the room
  • Wirelessly stream your music via Bluetooth

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

VIZIO 42" 2.1 Home Theater Sound Bar with Wireless Subwoofer


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.


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 101dB of roof-raising volume with less than 1% of total harmonic distortion.


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 HD™


DTS TruSurround HD™ 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™ 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.





Tech Specs
Sound Bar Size 42"
Sound Bar Speakers Left & Right Channels (each) – 2 x 3.0" mid-range drivers, 1 x 3/4" tweeters
Sound Pressure Level 101dB
Sound Bar Frequency 90Hz - 20kHz
Subwoofer Frequency 40Hz - 90Hz
Audio Decoding Technology Dolby Digital®, DTS Digital Surround
Sound Enhancement Technology DTS TruSurround™, DTS TruVolume™
Wireless Range (Subwoofer) 60' Line of sight
Bluetooth Yes
Sound Bar Buttons Power, Input, Bluetooth, Volume Up, Volume Down
Remote Yes – Display Remote
Power Input 120V 60Hz
Installation Table top and wall-mountable
Package Contents:
  • Sound 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 Input 1 x Stereo RCA
Analog Audio Input 1 x 3.5mm Stereo mini jack
Digital Audio Input 1 x RCA (Coaxial)
Digital Audio Input 1 x Optical (Toslink)
USB Input 1 x USB (for .WAV playback)
Dimensions and Weight
Product Dimensions (W x H xD) 42.32 x 3.74 x 3.15"
Product Weight with Stand 8.4 lbs
Subwoofer Dimensions (W x H x D) 6.93 x 12.52 x 15.86"
Subwoofer Weight 14.7 lbs
Product Packaging Dimensions (W x H x D) 44.5 x 10 x 18.6"
Product Packaging Weight 29 lbs
VIZIO Warranty
Warranty One Year Parts & Labor. Free Lifetime Technical Support.

Learn more about the VIZIO S4221w-C4

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the VIZIO S4221w-C4

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Item#: 9SIA24G1S88428
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