VIZIO S4251W-B4 5.1 Channel Home Theater Sound Bar with Subwoofer and Bluetooth

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By: VIZIO
Walmart #: 554962875
VIZIO S4251W-B4 5.1 Channel Home Theater Sound Bar with Subwoofer and Bluetooth
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The wireless system means that you don't have a lot of cables cluttering up your media room for a space that everyone can enjoy. The VIZIO S4251W-B4 5.1-Channel Home Theater Sound Bar is just what you need to bring your home theater to the next level.VIZIO S4251W-B4 5.1-Channel Home Theater Sound Ba

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About this item

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Vizio S4251W-B4 5.1 Sound Bar Speaker - Wireless Speaker(s) - Black

About this item

Important Made in USA Origin Disclaimer: For certain items sold by Walmart on Walmart.com, the displayed country of origin information may not be accurate or consistent with manufacturer information. For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information.

Vizio S4251W-B4 5.1 Sound Bar Speaker - Wireless Speaker(s) - Black

Audio

  • Sound System: Dolby Digital
  • Speaker Configuration: 5.1
  • Power DescriptionTechnical Information
  • Frequency Response: 40 Hz to 20 kHz
  • Driver Type: 3" Midrange
  • Features: Wireless Audio Stream
  • Operating Distance: 60 ft
  • Warranty
  • Limited Warranty: 1 Year
  • Audio
  • Subwoofer Type: Active
  • Wireless Speaker(s): Yes
  • Controls/Indicators
  • Controls: Bluetooth
  • Interfaces/Ports
  • USB: Yes
  • Number of Analog Audio Inputs: 2
  • Number of Digital Coaxial Inputs: 1
  • Number of Digital Optical Inputs: 1
  • General Information
  • Product Type: Sound Bar Speaker
  • Manufacturer Part Number: S4251W-B4
  • Manufacturer Website Address: http://www.vizio.com
  • Manufacturer: Vizio, Inc
  • Product Model: S4251W-B4
  • Product Name: 42" 5.1 Home Theater Sound Bar with Subwoofer and Satellite Speakers
  • Brand Name: Vizio
  • MemoryMiscellaneousPackage Contents
  • 42" 5.1 Home Theater Sound Bar with Subwoofer and Satellite Speakers
  • RCA Cables for Satellite Speakers
  • Display 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
  • Compatibility
  • Smartphones
  • Tablets
  • Music Players
  • Computers
  • HDTV
  • Network & Communication
  • Bluetooth: Yes
  • Physical Characteristics
  • Subwoofer Weight (Approximate): 14.70 lb
  • Weight (Approximate): 8.90 lb
  • Color: Black
  • Form Factor: Wall Mountable
  • Height: 3.7"
  • Width: 42.3"
  • Depth: 3.2"
  • Subwoofer Height: 12.52"
  • Subwoofer Width: 6.93"
  • Subwoofer Depth: 15.86"
  • Satellite Speaker Height: 7.42"
  • Satellite Speaker Width: 3.18"
  • Satellite Speaker Depth: 2.77"
  • Explore this item

    Specifications

    Shipping Weight (in pounds): 8.9
    Walmart No.: 554962875
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    Comparison Table

    Brand Image
    Ideal for HDTV Size
    Ideal for HDTV Size
    Screen Size
    Screen Size
    Tech Specs
    Tech Specs
    Surround Sound Speakers
    Surround Sound Speakers
    Subwoofer
    Subwoofer
    Installation
    Installation
    Wireless Range (Subwoofer)
    Wireless Range (Subwoofer)
    Sound Pressure Level
    Sound Pressure Level
    Audio Channels
    Audio Channels
    Bluetooth
    Bluetooth
    Sound Enhancement Technology
    Sound Enhancement Technology
    Sound Bar Size
    Sound Bar Size
    Connections
    Connections
    Subwoofer Output
    Subwoofer Output
    HDMI Output
    HDMI Output
    USB Input
    USB Input
    Digital Audio Input
    Digital Audio Input
    Analog Audio Input
    Analog Audio Input
    HDMI Input
    HDMI Input
    Digital Audio Input
    Digital Audio Input
    Analog Audio Input
    Analog Audio Input
    You are viewing
    VIZIO S4251w-B4 42” 5.1 Home Theater Sound Bar with Wireless Subwoofer and Surrounds
     
    47" and Larger
    47" and Larger
     
    Yes
    Yes
    Yes-Wireless
    Yes-Wireless
    Table top and wall-mountable
    Table top and wall-mountable
    60' line of sight
    60' line of sight
    102dB
    102dB
    5.1
    5.1
    Yes
    Yes
    Dolby Digital®, DTS Digital Surround™, DTS Circle Surround™, DTS TruVolume™
    Dolby Digital®, DTS Digital Surround™, DTS Circle Surround™, DTS TruVolume™
    42"
    42"
     
    N/A
    N/A
    N/A
    N/A
    N/A
    N/A
    1 x Optical (Toslink)
    1 x Optical (Toslink)
    1 x 3.5mm Mini Jack
    1 x 3.5mm Mini Jack
    N/A
    N/A
    1 x Digital Coaxial
    1 x Digital Coaxial
    1 x Stereo RCA
    1 x Stereo RCA
    VIZIO S3821w-C0 38” 2.1 Home Theater Sound Bar with Wireless Subwoofer
     
    42" and Larger
    42" and Larger
     
    No
    No
    Yes-Wireless
    Yes-Wireless
    Table top and wall-mountable
    Table top and wall-mountable
    60' line of sight
    60' line of sight
    100dB
    100dB
    2.1
    2.1
    Yes
    Yes
    Dolby Digital®, DTS TruSurround™, DTS TruVolume™
    Dolby Digital®, DTS TruSurround™, DTS TruVolume™
    38"
    38"
     
    N/A
    N/A
    N/A
    N/A
    N/A
    N/A
    1 x Optical (Toslink)
    1 x Optical (Toslink)
    1 x 3.5mm Mini Jack
    1 x 3.5mm Mini Jack
    N/A
    N/A
    1 x Digital Coaxial
    1 x Digital Coaxial
    1 x Stereo RCA
    1 x Stereo RCA
    VIZIO S3820w-C0 38” 2.0 Home Theater Sound Bar with Integrated Deep Bass
     
    42" and Larger
    42" and Larger
     
    No
    No
    N/A
    N/A
    Table top and wall-mountable
    Table top and wall-mountable
    N/A
    N/A
    98dB
    98dB
    2.0
    2.0
    Yes
    Yes
    Dolby Digital®, DTS TruSurround™, DTS TruVolume™
    Dolby Digital®, DTS TruSurround™, DTS TruVolume™
    38"
    38"
     
    1 x RCA
    1 x RCA
    N/A
    N/A
    N/A
    N/A
    1 x Optical (Toslink)
    1 x Optical (Toslink)
    1 x 3.5mm Mini Jack
    1 x 3.5mm Mini Jack
    N/A
    N/A
    1 x Digital Coaxial
    1 x Digital Coaxial
    1 x Stereo RCA
    1 x Stereo RCA
    VIZIO S2920w-C0 29” 2.0 High Definition Sound Bar
     
    32" and Larger
    32" and Larger
     
    No
    No
    N/A
    N/A
    Table top and wall-mountable
    Table top and wall-mountable
    N/A
    N/A
    95dB
    95dB
    2.0
    2.0
    Yes
    Yes
    DTS TruSurround™, DTS TruVolume™
    DTS TruSurround™, DTS TruVolume™
    29"
    29"
     
    1 x RCA
    1 x RCA
    N/A
    N/A
    N/A
    N/A
    1 x Optical (Toslink)
    1 x Optical (Toslink)
    1 x 3.5mm Mini Jack
    1 x 3.5mm Mini Jack
    N/A
    N/A
    1 x Digital Coaxial
    1 x Digital Coaxial
    1 x Stereo RCA
    1 x Stereo RCA
    VIZIO S5430w-C2 54” 3.0 Home Theater Sound Bar with Integrated Deep Bass
     
    55" and Larger
    55" and Larger
     
    No
    No
    N/A
    N/A
    Table top and wall-mountable
    Table top and wall-mountable
    N/A
    N/A
    103dB
    103dB
    3.0
    3.0
    Yes
    Yes
    Dolby Digital®, DTS TruSurround™, DTS TruVolume™
    Dolby Digital®, DTS TruSurround™, DTS TruVolume™
    54"
    54"
     
    1 x RCA
    1 x RCA
    1 x HDMI-out (ARC)
    1 x HDMI-out (ARC)
    N/A
    N/A
    1 x Optical (Toslink)
    1 x Optical (Toslink)
    1 x 3.5mm Mini Jack
    1 x 3.5mm Mini Jack
    1 x HDMI-In
    1 x HDMI-In
    1 x Digital Coaxial
    1 x Digital Coaxial
    1 x Stereo RCA
    1 x Stereo RCA
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    Questions & Answers 145 questions
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    Im really interested in the Vizio S4251W-B4. I believe the rear speakers are wired to the subwoofer and the subwoofer communicates wirelessly with the soundbar (which is perfectly fine with me). Does anyone have any additional information on whether the wireless communication between soundbar and subwoofer will introduce any wifi interference? Does anyone know if the wireless communication is indeed on the 2.4 GHz spectrum? Im concerned that the wireless communication between the soundbar and subwoofer will interfere with my router's wifi connection which I will use to stream to TV and Bluray player.
    by newton 5/9/2013
    4 answers
    • A. The sub-woofer is a bluetooth device, so it will not interfere with the 2.4 GHz spectrum.
      by CramBone12/13/2015
      Was this answer helpful? (16) (2)
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    • A. I had this unit for a week and I do not experience any problem with any of my wireless device (phone, internet, wireless microphone).
      by Chris523911/16/2015
      Was this answer helpful? (10) (2)
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    • A. Thank you for inquiring about our product. The soundbar uses a pairing function to link to only the Subwoofer, preventing wireless interference. Thanks and have a great day!
      by VIZIOEntertainmentExpert11/28/2015
      Written by a verified representative from VIZIOEntertainmentExpert
      Was this answer helpful? (16) (0)
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    • A. The sound system is on the 5ghz spectrum according to Vizio customer service. It does not cause any interference with my wifi. I've been using it daily for a few weeks with no issues.
      by Bub102311/21/2015
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    1-3 of 145 questions See all
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    Customer Reviews

    Customer Reviews | 502 reviews | 4.6 out of 5

    4.5 stars

    502 reviews | 4.6 out of 5

    4.5 stars

    502 reviews | 4.6 out of 5

    95%
    Would recommend to a friend
    5 stars
    371
    4 stars
    94
    3 stars
    11
    2 stars
    8
    1 stars
    18
    1-5 of 490 total reviews
    95%
    Would recommend to a friend

    Age

    Gender

    Huge bang for the buck!
    12/19/2013

    Customer review by NWBluesman

    5.0 stars 12/19/2013 by NWBluesman
    by NWBluesman
    Verified purchaser
    Verified purchaser
    Customer has been confirmed to have purchased the item from Walmart.

    I spent several years of my life immersed in the world of high-end audio, enjoying speaker systems from Dahlquist, Infinity, Magneplanar, and ADS. Along with that would be electronics from the likes of Hafler, LUX, APT, SAE, and Audio Research. Years later, when I wanted to put together a very reasonably priced video system, this speaker system really tweaked me. It is a very nice, spacious sounding sound bar and a bluetooth 6" subwoofer. Plenty to provide decent audio for a 55" HD video system, right. But, this system incorporates 2 more speakers that run off the subwoofer to provide the spaciousness that a true 5.1 system gives. No speaker cables running across the floor, either. No worrying about crawling through the attic or in the crawl space to run your wires to these rear speakers. And a true 5.1 speaker system, to boot. Who could ask for more? I am extremely pleased with the sound of this system. It will even work very nicely in a pretty large room. Way to go, Vizio!

    Was this review helpful? (271) (53)
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    NWBluesman
    Northwest US
    Would recommend to a friend? Yes
    Age:55 - 64
    Ownership:2 - 7 weeks
    Gender:Male
    Usage:Every day
    Verified purchaser
    Verified purchaser
    Customer has been confirmed to have purchased the item from Walmart.
    Great sound for a reasonable price!
    12/30/2015

    Customer review by CWolfsky

    5.0 stars 12/30/2015 by CWolfsky
    by CWolfsky

    After returning a defective RCA system I decided to spend the extra for this unit. Totally worth it. Quality starts with the box, well packaged, protective film over all the shiny surfaces, even all the cables are in their own box all neatly organized with dividers...Second noticeable thing is the weight of the bar itself, far heavier then the cheaper feather like feel of the cheaper RCA unit this one replaced. Third...nothing but crisp, clear sound from all speakers, no static at all. The sub has just the right amount of boom/rumble without overdoing it, which is perfect for my small living room. Overall quality of sound is far beyond what I was expecting for the price. Other great things...This unit comes with about any cables you could need, wires for the rear speakers are simple coax style plug-ins as apposed to having little wires and clips to deal with. Had this unit for about a month now, worth every penny.

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    CWolfsky
    Would recommend to a friend? Yes
    Excellent Sound Bar!!!
    8/15/2013

    Customer review by Batman29

    5.0 stars 8/15/2013 by Batman29
    by Batman29

    My wife and I recently purchased this Vizio sound bar and we are amazed on how easy the set-up was and also how clear the sound is. The fact that the sound bar and subwoofer are wireless is equally great! The satellite speakers are connected to the subwoofer with a cord, but that can be easily concealed behind curtains. The bass from the subwoofer is outstanding! My wife and I started connecting the system after our kiddo went to bed and we were finished in a matter of minutes, its that easy! Both our jaws dropped when we first heard how this product sounds. We have a 55-in LED Vizio tv and they both compliment each other very well. After adjusting some of the initial sound settings, we can now just use the tv remote to control the sound bar, which is very convenient (just be sure to turn off your tv speakers from the menu). Vizio products continue to amaze us on how affordable and reliable they are. I would highly recommend spending the extra money to purchase this sound bar if you are shopping around.

    Was this review helpful? (126) (55)
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    Batman29
    Edwards AFB, CA
    Would recommend to a friend? Yes
    Age:25 - 34
    Ownership:1 week or less
    Gender:Male
    Usage:Every day
    It lived up to my expectations.
    2/25/2014

    Customer review by JFSJR

    5.0 stars 2/25/2014 by JFSJR
    by JFSJR
    Verified purchaser
    Verified purchaser
    Customer has been confirmed to have purchased the item from Walmart.

    My Vizio sound bar system arrived early which was great. I watched the "how to" install video online and it was just as simple as it was advertised to set up. I plugged it in and it worked just like I expected. It took less then 15 minutes to un-box it and set it up. The sound is amazing and fills my entire space up with quality sound. The wireless sub and back speakers are perfect and I did not have to have cords running all over the floor. The wires for the two back speakers are long enough to reach where I need them. This is perfect for our living room and affordable. I shopped online at several different web sights including Amazon and this was by far the best value out there. I would recommend this system and already have used it while entertaining. I have received compliments from my guest without asking about what they thought. The blue tooth function works like a champ and one of my guest was able to show off the play list of a new artist so that everyone could hear them. Overall this is a great system for the money.

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    JFSJR
    Thornton Colorado
    Would recommend to a friend? Yes
    Age:45 - 54
    Ownership:2 - 7 weeks
    Gender:Male
    Usage:Every day
    Verified purchaser
    Verified purchaser
    Customer has been confirmed to have purchased the item from Walmart.
    Better than a 'Snickers' bar
    2/10/2014

    Customer review by iamsam1956

    5.0 stars 2/10/2014 by iamsam1956
    by iamsam1956
    Verified purchaser
    Verified purchaser
    Customer has been confirmed to have purchased the item from Walmart.

    First things first, my ears are 75 years old so I am blessed to hear anything, not sure I should be telling anyone about how great this sound bar sounds. With that in mind, feel free to skip to the next review, however, I can still give you some useful info on the set up of this bar. In a word, 'simple', setup is a snap but the remote is a little more challenging, may take some time to familiarize the buttons and how to move around the menu, but still not difficult. Two problems, the sound levels and the LED display, both need a little work. The LED display is hard to see in a dark room which is how most people watch TV, but my eyes are the same age as my ears, this may not be a problem for you. The sound level is very difficult to get adjusted to, one click on the remote button and you go from a 'funeral' setting to a 'rock' concert setting, one click of the button on this remote is comparable to five clicks on your normal TV remotes. If you can adjust to these two mild inconveniences this is a great bar for the money, Sam

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    iamsam1956
    Collierville, Tn
    Would recommend to a friend? Yes
    Age:65 or older
    Ownership:2 - 7 weeks
    Gender:Male
    Usage:Every day
    Verified purchaser
    Verified purchaser
    Customer has been confirmed to have purchased the item from Walmart.
    1-5 of 490 total reviews See all
    1-5 of 490 reviews

    Customer Reviews | 502 reviews | 4.6 out of 5

    Customer Reviews

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