VIZIO SB3851-D0 SmartCast 38" 5.1 Soundbar System

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VizioSKU: SB3851-D0

Sale price$237.99 Regular price$299.99
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  • Condition: New
    This product is brand new with a full manufacturer warranty
  • Warranty: 90 Day Manufacturer Warranty


VIZIO SB3851-D0 SmartCast 38" 5.1 Soundbar System 



Enhance your TV's audio with the VIZIO SmartCast 38" 5.1-Channel Soundbar System. It features a soundbar with 2.75" left, right, and center full-range drivers, a 5" wireless subwoofer for low bass impact, and two satellite speakers for a true surround sound experience. Its ability to decode Dolby and DTS signals is designed to improve the quality of your sound compared to your TV speakers alone.

The SmartCast 38" has Bluetooth connectivity for pairing with your compatible smart device and wirelessly streaming your audio content. Its wired connections include HDMI, optical, 3.5mm, USB, and digital coaxial inputs to support a variety of source types. Its HDMI output is ARC-compatible, so you can hear TV-based audio from built-in apps like Netflix and YouTube. It includes wall mount brackets for the soundbar and satellite speakers, an IR remote control, and a number of cables for instant connectivity.


  • 5.1-Channel Configuration
  • Bluetooth Audio Streaming
  • External Wireless Subwoofer
  • Wired Satellite Speakers

Sound That Moves You

From the roar of a crowd to the screech of a car chase, experience every detail 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 wireless subwoofer delivers bass as deep as 50 Hz.

Find, Stream, and Control Your Music with the VIZIO SmartCast App

Set up and control your Sound Bar with the VIZIO SmartCast App. It also allows you to discover, cast, and control music on your soundbar from your mobile device. Search and browse content across multiple apps at once. Control multiple VIZIO SmartCast sound bars or speakers from anywhere in your home. The app is available on the App Store and Google Play.

Cast from Apps You Already Know and Love

The SmartCast 38" has Google Cast built-in, which allows you to cast your favorite content from your phone to your TV/home theater display or soundbar. Access millions of songs, podcasts, and more.


DTS audio technologies are designed to enable richer sound and dialogue with deeper bass.


Dolby audio technologies are designed to provide dynamic sound for your TV shows, movies, and music.


Channels 5.1
Drivers L/R: 4 x 2.75" (7 cm) drivers (two for left, two for right)
  Center: 1 x 2.75" (7 cm) driver
  Satellite Speakers: 1 x 2.5" full-range driver (per speaker)
  Subwoofer: 1 x 5" (12.7 cm) driver
Sound Pressure 101 dB
Frequency Response Soundbar: 50 Hz to 20 kHz
  Subwoofer: 50 to 90 Hz
Audio Processing Dolby Digital, DTS Studio Sound, DTS TruVolume
Inputs 1 x HDMI
  1 x 1/8" (3.5 mm) stereo mini jack
  1 x Digital coaxial
  1 x Optical TOSLINK
  1 x USB (for .WAV audio playback only)
  1 x Ethernet LAN
Output 1 x HDMI with ARC
Bluetooth Version 4.1 BLE
Wi-Fi 802.11n
Buttons Power, input, Bluetooth, volume up, volume down
Installation Tabletop and wall-mountable
Power Requirements 120 VAC, 60 Hz
Dimensions (W x H x D) Soundbar: 38.17 x 3.02 x 3" (97 x 7.7 x 7.6 cm)
  Satellite Speakers: 3 x 5.93 x 3" (7.6 x 15.1 x 7.6 cm)
  Subwoofer: 8.31 x 9.09 x 8.31" (21.1 x 23.1 x 21.1 cm)
Weight Soundbar: 6.57 lb (3 kg)
  Satellite Speakers: 1.26 lb (571.5 g)
  Subwoofer: 7.21 lb (3.3 kg)
Packaging Info
Package Weight 23 lb
Box Dimensions (LxWxH) 41 x 15.25 x 10.25"

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