VIZIO SB4051-D5 40" Smartcast 5.1 Soundbar System

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Simply Immersive
Introducing the all-new VIZIO SmartCast 40" 5.1 Sound Bar System. Combining high-caliber audio with elegant style, and Google Cast built in. What you love won't change, but how you experience it will never be the same.

Sound That Moves You
From the roar of a crowd to the screech of a car chase, experience every detail in amazing clarity as loud as 101 dB with less than 1% Total Harmonic Distortion.

Bass You Can Feel
From the rumble of a concert to the pulse of your party playlist, the slender wireless subwoofer delivers roof-shaking bass as deep as 35 Hz.

Slender Form Factor
Crafted to command uncompromised sound from a slimmer compact design.

Slim Profile Subwoofer
With a thinner minimal design and detachable legs, the new subwoofer allows a horizontal or vertical position that fits conveniently beside or beneath your furniture.

Experience VIZIO SmartCast
VIZIO SmartCast brings together your favorite entertainment into one simple experience. Discover, cast and control your music on your Sound Bar from your mobile device using VIZIO SmartCast App.*
*Minimum requirements: Android 4.0 or later (to use the Bluetooth functionality you must have android 5.1 or later), IOS 8.0 or later, subject to change. For a list of Android devices supported, see the Supported Devices article. IOS devices supported: Iphone, Ipad.

Turn Your Phone Into The Ultimate Remote
Easily set up and control your Sound Bar like never before with the VIZIO SmartCast App. Download for free on the App Store and Google Play

VIZIO SmartCast App
Download the VIZIO SmartCast app to turn your smartphone or tablet into a powerful touchscreen remote. Search and browse content across multiple apps at once. Control multiple VIZIO SmartCast sound bars or speakers from anywhere in your home.

Cast From Apps You Already Know and Love
All VIZIO SmartCast audio products have Google Cast built in – the same technology behind Chromecast – which allows you to cast your favorite content from your phone to your TV / Display or Sound Bars. Access millions of songs, podcasts and more.

Elevated Engineering
VIZIO SmartCast Sound Bars are crafted with custom drivers and technologies from the industry leaders of audio.



Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 30 Day VIZIO


Tech Specs

  • Sound Bar Size: 40”
  • Sound Bar Speakers: Left & Right: 4” / Center: 4”
  • Sound Bar Frequency Response: 150Hz – 20 kHz
  • Subwoofer Speakers: 6.5”
  • Subwoofer Frequency Response: 35 Hz – 170 Hz
  • Satellite Speakers: 2 x 4”
  • Satellite Speaker Frequency: 150 Hz – 20 kHz
  • System Frequency: 35 Hz – 20 kHz
  • Sound Pressure Level: 101 dB
  • Sound Enhancement Technology: Dolby Digital, DTS Studio Sound, DTS TruSurround, DTS TruVolume
  • Sound Bar Buttons: Power, Input, Bluetooth, Volume Up, Volume Down
  • Remote: Yes, w/ LCD Display
  • Installation: Table Top and Wall-Mountable


  • Analog Audio Input: 3.5mm stereo mini jack
  • Digital Audio Input: RCA (Coaxial / SPDIF)
  • Digital Audio Input: Optical (Toslink)
  • USB Input: USB (for .WAV Audio Playback)
  • Bluetooth Input: Bluetooth 4.0 LE
  • HDMI Input: HDMI
  • Wi-Fi Input: 802.11n
  • Ethernet Input: RJ45 jack
  • Output 1: HDMI ARC
  • IR Receiver: Up to 30 feet

Dimensions and Weight

  • Product Dimensions: 40”W x 2.0”H x 2.0”D
  • Product with Feet Weight: 3.42 lbs
  • Satellite Dimensions: 2.38”W x 2.38”H x 5.39”D
  • Satellite Weight: 0.72 lbs
  • Subwoofer Dimensions: 24.2”W x 3.06”H x 13.11”D
  • Subwoofer Weight: 9.59 lbs
  • Product Packaging Dimensions: 43.07”W x 15.27”H x 7.2”D
  • Product Packaging Weight: 26.41 lbs



In The Box:

  • Sound Bar
  • Wireless Slim Subwoofer
  • Rear Satellite Speakers (x2)
  • 5’ RCA to 3.5mm Stereo Cable
  • 5’ RCA to 3.5mm (Mini Jack)
  • 5’ Coaxial Cable
  • 5’ Optical Cable (Toslink)
  • 5’ HDMI Cable
  • Satellite Cables (x2)
  • Power Cord (x2)
  • Wall Mounts
  • Remote

Sales Stats

Speed to First Woot:
15m 2.660s
First Sucker:
Last Wooter to Woot:

Purchaser Experience

  • 9% first woot
  • 6% second woot
  • 12% < 10 woots
  • 33% < 25 woots
  • 39% ≥ 25 woots

Purchaser Seniority

  • 6% joined today
  • 3% one week old
  • 0% one month old
  • 3% one year old
  • 88% > one year old

Quantity Breakdown

  • 100% bought 1
  • 0% bought 2
  • 0% bought 3

Percentage of Sales Per Hour

12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11

Woots by State

zero wooters wootinglots of wooters wooting

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VIZIO 40" Smartcast 5.1 Soundbar System
$239.99 Sold Out Electronics
$239.99 USD false 1 Retail EA
1 3
Woot! Electronics.Woot
4121 International Pkwy Carollton TX 75007 U.S.A.