42" Class VIZIO 5.1 Home Theater Soundbar w/ Wireless Subwoofer & Surrounds 

by VIZIO | Item  #: 361244 | Model #:  S4251W-B4 |
Top Rated
10% non-member fee may apply.Join now!
Select your Club  for price and availability
  • Free Pickup
Delivery estimates, taxes, and fees are based on ZIP Code. Club Pickup orders are based on your club’s current price and item availability on the day of payment.

About this item

  • Complete 5.1 surround sound home theater solution: 42” soundbar with left, right and center channels, wireless subwoofer and rear satellite speakers
  • Best in class audio performance: 102dB of room filling, crystal clear surround sound with less than 1% total harmonic distortion*
  • Wirelessly stream your music from a smartphone or tablet via Bluetooth
  • Premium audio with Dolby Digital and DTS Digital Surround decoding, plus DTS TruVolume and DTS Circle Surround audio post processing
  • Wireless subwoofer adds rich, powerful bass from anywhere in the room**
  • Connects to your TV with an easy, one-cable setup


For the pinnacle of surround sound immersion and convenience, the VIZIO S4251w 5.1 soundbar sets the bar exceptionally high. Designed to fit any medium- to large-sized HDTV, this 3-channel soundbar features a wireless subwoofer and dedicated rear satellite speakers putting you in the center of the action. Built-in Bluetooth allows you to wireless stream music from a smartphone or tablet while Dolby Digital®, DTS Digital Surround™ audio technologies bring movies, music and games to life in crystal clear detail. Rated at 102dB with less than 1% Total Harmonic Distortion*, the S4251w is a true premium surround sound system that turns any room into the ultimate home theater.

*Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total harmonic distortion calculated as electrical measurement of amplifier distortion.

**Wireless Subwoofer range has an approximately 60' line of sight from the soundbar.


  • Soundbar Size: 42”
  • Soundbar Speakers: Left & Right Channels (each) – 2x 3” mid-range drivers, 1x ¾” tweeters: Center Channel – 2x 2.5” full range drivers
  • Surround Speakers: Left & Right Surround Channels (each) – 1x 2.5” full-range driver
  • Subwoofer Speakers: 6.0” Subwoofer
  • Sound Pressure Level: 102dB
  • Soundbar Frequency: 90Hz - 20kHz
  • Subwoofer Frequency: 40Hz - 90Hz
  • Audio Decoding Technology: Dolby Digital, DTS Digital
  • Surround Sound Enhancement Technology: DTS TruVolume, DTS Circle Surround
  • Wireless Range (Subwoofer): 60’ Line of sight
  • Bluetooth: Yes
  • Soundbar buttons: Power, Input, Bluetooth, Volume Up, Volume Down
  • Remote: Yes – Display Remote
  • Power Input: 120V 60Hz
  • Installation: Table top and wall-mountable

Assembled Country


Assembled Size

Bar - 42.32"L x 3.15"W x 3.74"H
Subwoofer - 6.93"L x 15.86"W x 12.52"H

Component Country




Member reviews & questions

Ask & Answer

Policies & plans

Shipping Information

Standard - 2 to 6 business days

Premium - 2 to 4 business days

Express - 1 to 2 business days

Warranty Information

1 Year Manufactures Warranty (Parts and Labor)

You're in!

Your online account has been created.
Start saving today