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REPLACEMENT Subwoofer VIZIO SB3821-C6 38 Inch 2.1 (Grade A) (/RT6-279-SB3821-...

4surpluscity
(142652)
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US $34.99
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Condition:
Used
“100% Tested working - Might have Minor signs of use”
Out of Stock250 sold
Shipping:
Free Standard Shipping.
Located in: Skokie, Illinois, United States
Delivery:
Estimated between Wed, Nov 5 and Sat, Nov 8 to 94104
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30 days returns. Seller pays for return shipping.
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eBay item number:325643259341
Last updated on Sep 02, 2025 14:07:34 PDTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“100% Tested working - Might have Minor signs of use”
UPC
0845226012402
Brand
VIZIO
Type
Soundbar
Model
SB3821-C6
Connectivity
Bluetooth/Wireless
MPN
SB3821-C6
Category

About this product

Product Information

Enhance the audio experience and enjoy theater-like sound at home with the Vizio SB3821-C6 Soundbar Speaker System. This 2.1 System model features a frequency response ranging from 50 Hz to 19 KHz. It is equipped digital coaxial and optical audio inputs for easy connectivity.

Product Identifiers

Brand
VIZIO
MPN
SB3821-C6
UPC
0845226012402
Model
SB3821-C6
eBay Product ID (ePID)
217427680

Product Key Features

Connectivity
Bluetooth/Wireless
Type
Soundbar

Additional Product Features

Speaker Type
Soundbar
Frequency Responses
50Hz-19kHz
Sensitivity
100dB

Item description from the seller

About this seller

4surpluscity

98.7% positive feedback•601K items sold

Joined Jun 2010
Visit storeContact

Detailed seller ratings

Average for the last 12 months
Accurate description
4.8
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Popular categories from this store

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Seller feedback (152,234)

All ratingsselected
Positive
Neutral
Negative
  • r***e (170)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Great product
  • 9***1 (99)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Just as described. Works fine.
  • 3***r (48)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    It works perfectly
See all feedback

Product ratings and reviews

Learn more
4.5
537 product ratings
  • 412 users rated this 5 out of 5 stars
  • 69 users rated this 4 out of 5 stars
  • 20 users rated this 3 out of 5 stars
  • 9 users rated this 2 out of 5 stars
  • 27 users rated this 1 out of 5 stars

Good sound quality

Well designed

Good value

Most relevant reviews

See all 399 reviews
  • by kallen38
    Mar 01, 2017Top favorable review

    good sound at a great price.

    This is the second Vizio soundbar that I have purchased, the first is about 2 years old and has been trouble free and has outstanding sound quality. The second is the one this review is about and although the subwoofer does not have quite as good bass as the older one (could be position in room or room acoustics) it still is vastly better than provided by the TV itself. This unit is a refurbished one and although in different packaging looks and performs as if it were brand new as well as containing all materials. I purchased this for use in my master bedroom as the TV had backward facing speakers that sounded poorly especially at lower levels. The Vizio SB3821-C6 has very good sounding highs and midrange and decent low end at lower volumes. As the volume increases so does the sound ...

    Verified purchase: YesCondition: RefurbishedSold by: shopdivvy

  • by kumarjivi2012
    Dec 03, 2019Top critical review

    It never turned on

    The soundbar never turned on for me. There are dents and the cloth part of soundbar is torn at multiple places. Looks like it has been used heavily and not maintained at all. I plugged the power in the soundbar, it never got the power (LEDs never blinked or turned on). There was no manual or original packing or boxes, so I looked up at the internet for the manual and no luck. Looks like the soundbar is defective. I can get the power in subwoofer but can't connect it to the soundbar (as the soundbar has no power). There were two power cables (one for soundbar and one for subwoofer) and both cables can power subwoofer and none can power-up soundbar, that makes me believe that sound-bar is defective. I tried to turn it on using remote as well as the buttons on the soundbar without success.

    Verified purchase: YesCondition: Pre-OwnedSold by: 4surpluscity

  • by watergun99
    Sep 04, 2019

    Solid!

    I had some trouble getting this to work with my Samsun TV, however thankfully this soundbar is capable of using so many different types of cables one finally worked. The sound is very good, especially playing music on your computer (just plug it into your headphone jack! cool right?), however with the TV sometimes I wish it were just a little bit more "clear" as to what actors are saying. Overall think it's a great value and overall fine product!

    Verified purchase: YesCondition: Pre-OwnedSold by: 4surpluscity

  • by jhall9
    Dec 02, 2023

    Best Sound Bar That Beats all Newer Models

    This is my 3rd one of these because it sounds so good. This model is better than anything newer from all the other brands... which may be hard to believe but this set up sounds so good. I use it for music in my photo studio mostly. The 6" sub hits harder than you'd think. After a couple of audio adjustments on the remote, it's good to go. Great value, especially if you know how goog this sounds. I'm glad I was able to find this model since it's old.

    Verified purchase: YesCondition: Pre-OwnedSold by: 4surpluscity

  • by chris1438
    Jul 06, 2017

    Good value for the money

    Simple to set up if you have a newer/Smart TV. Plugged it in to the wall and used the provided Optical cord for sound (from TV to the soundbar). My remote is defective. Learned that from Vizio Support. Support is very helpful and easy to deal with. They are shipping me a new remote at no cost. If you are watching a dvd that has DTS; there is an option on the remote to create a simulated surround sound (not just 2.1). Tried this option out, works fine. Downgraded? from an old 5.1 to this 2.1 bar. The sound is quite good for the price point of this bar. The wireless sub woofer does work. I feel for the price this is a good investment. I compared this bar to LG and Sony bars i saw in Best Buy, Target and Walmart. This soundbar received a very good review from NewEgg and they compared this ...

    Verified purchase: YesCondition: NewSold by: newegg

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