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4-Year Home AV Protection Plan

from SquareTrade
  • Coverage for product breakdowns and malfunctions
  • 24/7 customer support
  • Free shipping on all repairs with no deductibles or hidden fees
  • Fully transferable with gifts. Cancel anytime, full refund in the first 30 days
  • If you purchase this service plan and eligible product for this service plan, you acknowledge that Amazon may send the service plan seller relevant product and price information for the purpose of administering the plan

3 Year Home Audio & Video Protection Plan

from Asurion, LLC
  • Covers failures due to power surge and other mechanical and electrical breakdowns.
  • No deductibles or hidden fees. Shipping included on all repairs. Fully transferable.
  • Easy claims process online 24/7. If we can't fix it, we will send you an Amazon e-Card reimbursement for your product purchase price.
  • Plan term and select coverage begins date of purchase and is inclusive of the manufacturer's warranty. All other coverage begins after the manufacturer's warranty expires. Plan is fully refunded if canceled within 30 days.
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Condition: Used: Very Good
Comment: Small cosmetic imperfection on top, front or sides of item. Small cosmetic imperfection on bottom or back of item. Accessories may have cosmetic damage. Item will come repackaged.

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4-Year Home AV Protection Plan

from SquareTrade
$11.78
  • Coverage for product breakdowns and malfunctions
  • 24/7 customer support
  • Free shipping on all repairs with no deductibles or hidden fees
  • Fully transferable with gifts. Cancel anytime, full refund in the first 30 days
  • If you purchase this service plan and eligible product for this service plan, you acknowledge that Amazon may send the service plan seller relevant product and price information for the purpose of administering the plan

VIZIO SB3821-C6 38-Inch 2.1 Channel Sound Bar with Wireless Subwoofer

4.0 out of 5 stars 2,923 customer reviews
Highlights for this product:
  • Low Return Rate: 22% fewer returns than similar products
  • Highly Rated: 4.0 star rating with over 2,900 reviews
  • Popular Item: Popular with customers shopping for "vizio sb3621"
Amazon's Choice Highlights for this product

List Price: $159.99
Price: $149.99 & FREE Shipping.Details
You Save: $10.00 (6%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Enjoy 100 dB of room filling, crystal clear sound with less than 1% total harmonic distortion*
  • Wireless subwoofer adds rich bass from anywhere in the room**
  • Built-in Bluetooth lets you lose the wires and listen to your music with a tap of a finger with built-in Bluetooth
  • Premium audio with Dolby Digital decoding, plus DTS TruVolume and DTS audio post processing
  • Wireless remote for convenient volume, input and audio controls. Wireless Subwoofer range approximately 60 feet – line of sight from Sound Bar
  • Please refer the Help & Troubleshooting tips provided in the user manual below
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5 new from $149.99 11 used from $107.60 5 refurbished from $92.00
Packaging may reveal contents. Choose Conceal Package at checkout.

Frequently bought together

  • VIZIO SB3821-C6 38-Inch 2.1 Channel Sound Bar with Wireless Subwoofer
  • +
  • AmazonBasics Digital Optical Audio Toslink Cable - 6 Feet (1.8 Meters)
Total price: $154.99
Buy the selected items together


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  • Free 60-Day Tech Support: This item is eligible for FREE Tech Support for 60 days from the date of delivery. Over the phone, our trained technicians can help you set up, configure, connect, and troubleshoot so you can start enjoying your new purchase. Owners of qualifying products can reach Tech Support by selecting your product on the Contact Us page. Learn more


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From the manufacturer

Product description

Upgrade your TV audio to a premium experience with the VIZIO 38” 2.1 Sound Bar System and Wireless Subwoofer, a great fit for 42”+ Class TVs. The Sound Bar system packs a punch with a wireless subwoofer and integrated Dolby and DTS audio technologies, delivering a room-filling audio experience with deep thumping bass—all in a sophisticated new design. The built-in Bluetooth feature allows you to wirelessly stream music from your phone, tablet, or computer. With everything you need for a quick and easy setup, upgrading your TV audio to a home theater experience has never been easier.


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Product Warranty: For warranty information about this product, please click here. [PDF ]

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This item: VIZIO SB3821-C6 38-Inch 2.1 Channel Sound Bar with Wireless Subwoofer