VIZIO - SmartCast™ 38" 5.1-Channel Soundbar System with Subwoofer - Black

Name: VIZIO - SmartCast™ 38" 5.1-Channel Soundbar System with Subwoofer - Black
Brand: VIZIO
SKU: 4898002
Rating: 4.5 (875 reviews)

Model: SB3851-D0

SKU: 4898002

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Key Specs
- Wireless Connectivity: Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
General
- Brand: VIZIO
- Model Number: SB3851-D0
- Product Name: SmartCast™ 38" 5.1-Channel Soundbar System with Subwoofer
- Color: Black
Audio
- Surround Sound Supported: DTS (Surround sound systems use multiple audio channels and speakers to create an immersive sound experience for the listener. There are also various proprietary technologies that imitate this kind of sound via a device's built-in speakers or soundbar.)
Connectivity
- Wireless Connectivity: Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- Number of HDMI Inputs (Total): 1
- Network Connector(s): 1 x LAN
- Number of USB Inputs: 1
- Number of Optical Audio Inputs: 1
- Number of HDMI Outputs (Total): 1
Speaker
- Subwoofer: Included
Dimensions
- Product Height: 3.02 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 38 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 3 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 6.57 pounds (The out of box weight of the item.)
Included
- Remote Control Included: true
- Cable(s) Included: Coaxial digital audio
Certifications Listings & Approvals
- ENERGY STAR Certified: true (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
Warranty
- Warranty - Parts: 1 year
- Warranty - Labor: 1 year
Other
- UPC: 845226036149

The VIZIO SmartCast 38” 5.1 Sound Bar System delivers true surround sound that produces up to 101 dB1. Download the VIZIO SmartCast app2 to turn your mobile device into the ultimate remote and discover music across multiple apps at once.

Dolby Digital decoder: Reproduces multichannel audio to deliver a cinematic audio experience.
VIZIO SmartCast™ App: Download this app to turn your smartphone or tablet into a powerful touchscreen remote. Search and browse content, control multiple SmartCast sound bars or speakers from anywhere in your home.
Google Cast™ built-in: Cast your favorite tunes from your phone to your VIZIO SmartCast™ Sound Bar. Simply tap the Cast button from 100 audio apps you already know and love to start playing on your sound bar.
Works with Google Home powered by the Google Assistant: Stream your favorite entertainment using just your voice. Turn up the volume, play your favorite show, or stop the music - all without having to raise a finger.
Volume control: Lets you find a comfortable listening level.
Sleek appearance: Fits seamlessly along most HDTVs for a streamlined look.
Inputs: Includes analog audio, HDMI, coaxial digital audio and optical digital audio.
Outputs: Includes HDMI.
Bluetooth 4.0 interface: Allows you to wirelessly link with compatible Bluetooth-enabled devices.
Wall-mountable: With the included bracket.
Dolby Digital decoder: Reproduces multichannel audio to deliver a cinematic audio experience.
VIZIO SmartCast™ App: Download this app to turn your smartphone or tablet into a powerful touchscreen remote. Search and browse content, control multiple SmartCast sound bars or speakers from anywhere in your home.
Google Cast™ built-in: Cast your favorite tunes from your phone to your VIZIO SmartCast™ Sound Bar. Simply tap the Cast button from 100 audio apps you already know and love to start playing on your sound bar.
Works with Google Home powered by the Google Assistant: Stream your favorite entertainment using just your voice. Turn up the volume, play your favorite show, or stop the music - all without having to raise a finger.
Volume control: Lets you find a comfortable listening level.
Sleek appearance: Fits seamlessly along most HDTVs for a streamlined look.
Inputs: Includes analog audio, HDMI, coaxial digital audio and optical digital audio.
Outputs: Includes HDMI.
Bluetooth 4.0 interface: Allows you to wirelessly link with compatible Bluetooth-enabled devices.
Wall-mountable: With the included bracket.

Whats Included

VIZIO SB3851-D0 - sound bar system - for TV - wireless
VIZIO SB3851-D0 - sound bar system - for TV - wireless

Q: How do I get the sound bar to turn on when I turn my tv on? Every time I turn the tv off, the sound bar stays on; then I turn the sound bar off with the sound bar remote. When I turn the tv back on, I have to cycle through the input to turn sound back on

A: Josh, if you want it to turn off and on by itself, you have to have the eco mode turned OFF (I know that sounds odd). I had the same problem and called Vizio and that is what they told me to do. Worked like a charm. Apparently eco mode negates the turning off when the TV goes off due to the SmartCast function of the TV.

Q: Are they placed at the back of the room and are they wireless and placed independently from the sub woofer

A: The Bluetooth sub-woofer sits at the back of the room and has a cord for power. The two satellite speakers are then plugged in via audio cables (one per) to the sub-woofer. For my set-up I have the sub-woofer next to the couch, and (easily and quickly) installed the satellite speakers to the wall directly behind the couch. 95% of the cords are obscured. It's a good set-up.

Q: Is the connection between the subwoofer & sound bar wireless?

A: Thank you for a great question! Definitely! The soundbar and subwoofer will be wirelessly paired together, and only need their own power connections. The satellite speakers will plug into the subwoofer. Thanks again and have a great day!

Q: Can you cast music to it, while also watching TV at the same time (with no sound)?

A: Yes as you select the source for input.

Q: How do the rear speakers mount on a wall? is there a keyhole slot, threaded screw or bracket to use?

A: It comes with brackets that mount on the wall with wood screws (not included) and then the speakers hook on to the mount.

Q: Have a Sony 4K HRD tv model XBR-55X850D will this soundbar support 4K content

A: This soundbar DOES NOT support 4K pass through. What does this mean? It means you cannot connect, for example, an XBOX One S to the soundbar and then out to the tv via HDMI and still maintain the 4K signal.

Q: How many watts do the the vizio 38' sound bar sb3851 with rear speakers have?

A: The tech specs for this item do not include watts.

Q: Can Vizio soundbar be hooked up to any brand T.V.? Like a Sony?

A: Yes it can be connected to other TV's such as Sony

Customers are saying

Customers highly value the SmartCast™ 38" 5.1-Channel Soundbar System with Subwoofer for its exceptional sound quality and easy setup process. Many customers rave about the clarity and richness of the sound, while others appreciate how simple it is to get the system up and running. However, some customers have expressed concerns about the remote control, connectivity issues, bass quality, sudden malfunctions, and limited volume output.

This summary was generated by AI based on customer reviews.

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

Rated 5 out of 5 stars
Worth it
This replaced my receiver and 5.1 surround system. I did so to minimize space in my apartment. Sounds great and integrated nicely with my Samsung TV, Apple TV, Mac Mini, cable and Logitech universal remote.
Posted 8 years ago by Speck
Rated 4 out of 5 stars
A complete kit and a great value
It's funny to think that soundbars from high-profile brands (I consider Vizio just one step above Best Buy's house brand) costing twice the price lack the parts included with this one. The box contains power and hookup cables for the satellite speakers, as expected, but the cables are generously-sized (rear satellites require long cable runs) and come with hook-and-loop fasteners for a neat installation. Mounting screws are provided in case you want to hang the sound bar and the rear satellites. Patch cables to hook up the sound bar to multiple audio sources are included, as a courtesy. Sound quality is good. It is what you'd expect of a moderately-priced soundbar, and far above the quality of the tinny little speakers built-in to today's flat panel TV sets. The controls and the remote are adequate, but the lack of text or icons to indicate which source is active (you have to count the number of LEDs, in pairs, from the bottom) is frustrating. The display on the remote control is hard to read, but it is rarely needed. I would buy this product again, for a reasonably-prices surround sound TV setup.
Posted 8 years ago by thoughtfulbuyer
Rated 5 out of 5 stars
Awesome sound, great price
I originally purchased an LG 2.1 sound bar, but returned it when I was less than pleased with it's performance. I had never purchased any Vizio products, but the very attractive sale price and the fact that it has 5.1 sound got me to jump on it. The sound that the set puts out it is very powerful and fills my room very well. It's nice to have surround channel speakers to really add to that immersive theater experience. Setting up the kit was one of the easiest experiences as it's all very plug and play. The set came with a very impressive amount of accessory cables to make sure that you get everything up and running in no time. The surround speakers connect to the wireless sub-woofer, and have more than enough cable length to get most any size room wired up. One of the best things that I like about this sound bar, is the integrated Google Cast feature. I understand that all Vizio sound bars and televisions being made now will include this integration. Having it built in helps keep the electronics clutter in check which is nice. My only complaint about this system is the remote that it comes with. While I do like the sleek look of the remote, the small screen that you scroll through for the menus can be very hard to read unless you have brighter lighting on, as it is not back-lit. I personally never use the remote as the smartphone app makes it all much easier to control. Overall I am very happy with my purchase of this soundbar and the quality of Vizio products. I will definitely be considering future Vizio electronics thanks to my happiness here. If you are looking for a cost-effective and easy to use soundbar then you will not be unhappy here.
Posted 8 years ago by GooFier