54" 5.1 Sound Bar System

54" 5.1 Sound Bar System

  • S5451w-C2
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54" 5.1 Sound Bar System


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  • Covers all normal-use mechanical/electrical failures

  • 100% parts and labor, no deductibles

  • Free shipping on all depot repairs

  • 5-day service guarantee

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54" 5.1 Sound Bar System

VIZIO Sound Bar.

Built for Big Sound. Designed for Big Screens.

True surround sound. Wide sound stage. Bluetooth® connectivity.

S5451 video

5.1 Sound Bar System

Sleek Sophistication
Inside and Out.

Streamlined Industrial Design.

The VIZIO 54” 5.1 sound bar is more than just stunning sound quality. Its elegant exterior design adds a stylishly modern look when mounted to your wall or set on any surface, and its slim profile and extended length are designed to complement your large sized HDTV.

stunning sound quality
Deep Bass Technology.

Deep Bass TechnologyThe VIZIO 54" 5.1 sound bar features an integrated Deep Bass Module, which provides incredible low frequency responses for deep, room-shaking bass.

Big Audio for Your Big Screen.

Big Audio for Your Big ScreenA longer sound bar allows a wider separation between the left and right channels for a superior stereo experience. The VIZIO 54” sound bar also features a third (center) audio channel for enhanced dialog clarity.

Audio Built to Boom.

Home Theater Made for the Big Stage.

The VIZIO 54" 5.1 sound bar fills your room across a wider listening angle with up to 104 dB of crystal-clear audio at less than 1% harmonic distortion.2 The wireless subwoofer delivers thunderous bass without clutter for low-frequency response. For the peak in home theater, 5.1 features rear satellite speakers to envelop any room in a truly immersive surround sound experience.

Dolby Digital
dts Digital Surround
dts TruVolume
VIZIO Surround Matrix

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
aptX1 Technology
LCD Display Remote

— 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 Digital Surround, DTS Circle Surround, DTS TruVolume, DTS TruSurround and DTS 3.0 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.
1. Supports Bluetooth enabled devices. In order to stream using aptX technology, the source Bluetooth playback device must be enabled with aptX® technology. See your Bluetooth device’s specifications for details.
2. S5451w-C2 is rated at 104 dB. Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total Harmonic Distortion calculated as electrical measurement of amplifier distortion.
3. Dolby Digital, DTS Digital Surround, DTS TruVolume, DTS Circle Surround and DTS 3.0 are available on select VIZIO sound bars only where specified and are not a standard feature.

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 Size54”
  • Sound Bar SpeakersLeft & Right Channels – 2 x 3.0” Full-range drivers, 3.0” x 6.0” Deep Bass Module Center Channel – 3.0” Full range driver
  • Surround SpeakersLeft & Right Surround Channels (each) – 2x 3.0” Full-range driver
  • Subwoofer Speaker8.0” Subwoofer
  • Sound Pressure Level104 dB
  • Sound Bar Frequency35 Hz - 20 kHz
  • Subwoofer Frequency35 Hz - 90 Hz
  • Audio Decoding TechnologyDolby Digital®, DTS Digital Surround
  • Sound Enhancement TechnologyDTS TruVolume, VIZIO Surround Matrix
  • Wireless Range (Subwoofer)60’ Line of sight
  • BluetoothYes, with aptX
  • 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, 2 x Rear Satellite Speakers, RCA Cables for Satellite Speakers, Display Remote, RCA to 3.5mm Audio Cable, Digital Coaxial Cable, Optical Digital Cable, HDMI Cable, Wall mounts, Quick Start Guide, Sound Bar Power Cable, Wirel


  • Analog Audio Input1 x Stereo RCA
  • Analog Audio Input1 x 3.5mm stereo mini jack
  • Digital Audio Input1 x RCA (Coaxial)
  • Optical Audio Input1 x Optical (Toslink)
  • HDMI Input1 x HDMI-in
  • HDMI Input1 x HDMI - ARC
  • USB Input1 x USB

Dimensions and Weight

  • Product Dimensions53.74”W x 4.14”H x 3.15”D
  • Product with Stand Weight9.3 lbs.
  • Satellite Dimensions3.63”W x 8.50”H x 3.10”D
  • Subwoofer Dimensions16.50”W x 12.50”H x 10.2”D
  • Subwoofer Weight16 lbs.
  • Product Packaging Dimensions57.5”W x 12.25”H x 20.0”D
  • Product Packaging Weight43 lbs.

VIZIO Warranty

  • WarrantyOne Year Parts & Labor. Free Lifetime Technical Support.
Quickstart Guide (English) Download
Quickstart Guide (French) Download
Quickstart Guide (Spanish) Download
Data Sheet Download

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