v logo


The Vizio soundbar S4251w-B4 is proof that a soundbar can deliver true surround sound and fill your room with high audio quality without costing a fortune. What makes the S4251w-B4 a top soundbar is the combination of great features and very competitive price. This sound bar will improve your TV’s audio and will easily emerge you in a different world of crystal-clear sounds.


Technical Specifications

  • Sound Bar Size: 42”

  • Sound Bar Speakers: Left & Right Channels (each) – 2 x 3” midrange drivers, 1 x ¾” tweeters

  • Sound Pressure Level: 102 dB

  • Sound Bar Frequency: 90 Hz - 20 kHz

  • Subwoofer Frequency: 40 Hz - 90 Hz

  • Audio Decoding Technology: Dolby Digital®, DTS Digital Surround

  • Sound Enhancement Technology: DTS Circle Surround™, DTS TruVolume™

  • Wireless Range (Subwoofer) 60’ Line of sight

  • Bluetooth

  • Power Input: 120V 60 Hz

  • Installation: Tabletop and wall-mountable


s4251w b4 2




The S4251w-B4 has a sleek design similar to other soundbars that Vizio has released. It measures 42 inches and it is a great fit for HDTVs of 42 inches or larger. The front end of the entire body has black cloth grille covering and the sides and back have a black metallic  finish. It is also fitted with a row of buttons on the left rear side - Power, Input, Bluetooth and Volume Up and Down buttons. The Vizio S4251w-B4 isn’t the thinnest in the industry, but it certainly doesn’t feel bulky or heavy.


In addition to the sleek design of the S4251w-B4 also has a wireless subwoofer and rear satellite speakers. When you are looking for a soundbar with subwoofer probably you would want to go for one that is not big and bulky and the Vizio’s S4251w-B4 subwoofer is probably the one to go for. It is thinner than others available on the market, but that doesn’t mean that it compromises with power and performance. The connection of the subwoofer is wireless, so you can place the subwoofer anywhere in the room and arrange the surround sound system as you prefer.


vizio s4251w b4 42 inch 5 1 channel sound bar with wireless subwoofer satellit acb62e2a3f2c8c6ca6f03c5d37f3ae23


The rear satellite speakers are wired to the subwoofer and you in the package you have all the gear need to fix them on the walls if this is how you prefer it. The package also includes a remote control with LCD display that fits the design of the S4251W sound bar and rear satellite speakers.





187803ff 44b9 4db8 957d d05b67a2b4e2.png.poster




Although the S4251w-B4 doesn’t have an HDMI connection it is still a perfect soundbar for your TV as it offers the possibility to transfer the sound from the TV to the soundbar through an optical digital, coaxial digital or RCA cables.

The Dolby Digital and DTS Digital Surround sound technologies, together with the few connectivity options make the S4251w-B4 a perfect addition as it will fit any brand and model of TVs.




The sound bar features as well DTS Circle Surround and DTS TruVolume that enhance the sound quality and turn the S4251w-B4 into one of the best sound bars on the market. With the help of the sound enhancement technologies, the left, right and center channels and the subwoofer with rear satellite speakers, the Vizio soundbar is capable to deliver true 5.1 channel surround sound experience and turn your room into a home cinema, of course, the Vizio S4251w-B4 doesn’t limit itself to just being a great sound bar for your tv. It has a built-in Bluetooth that allows you to listen to your favourite tracks by streaming them wirelessly from your mobile phone or tablet.


vizio 2




It delivers everything we have been promised by the manufacturer. The soundbar will Immerce you in a true surround sound environment and the rear satellite speakers just add to it, so that you can feel the 5.1 channel audio. Some readers might find the subwoofer’s bass a bit overpowering, as this turns out to be valid for all subwoofers made by Vizio, but you can fix this with playing around with the settings and experiment with the right spot for the subwoofer in your room.


The sound that you get when playing music is crisp and of high quality, but the S4251w-B4 proves to be an awesome soundbar that really improves the quality of your TV’s audio when it comes to playing films and games. Overall, the S4251w-B4 is a great home theater system that will not disappoint you with its powerful performance and the ability to fill your room with crystal clear audio. The 5.1 channel surround sound will transfer you to a different audio reality. Not to forget the sleek design and a wide range number of features that the Vizio sound bar offers for a real good price.

Vizio logo Sony logo yamaha logo2 topsoundbars lg brandlogo Samsung logo