VIZIO SB3821-C6B-RB 38" 2.1 Channel Soundbar Speaker System - Certified Refurbished

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VizioSKU: SB3821-C6B-RB

Sale price$123.99 Regular price$155.99
  • Shipping: FREE SHIPPING
  • Condition: Refurbished
    This product has been refurbished by the manufacturer or an authorized third party
  • Warranty: 90 Day Manufacturer Warranty


VIZIO SB3821-C6B-RB 38" 2.1 Channel Soundbar Speaker System - Certified Refurbished



The VIZIO SB3821-C6 38" 2.1-Channel Soundbar Speaker System offers powerful bass performance and virtual surround sound. This 2.1-channel speaker system features two 2.75" full-range drivers, along with a 5.25" wireless subwoofer for low bass impact. Bluetooth is built into the soundbar, which allows you to easily stream wireless audio from compatible devices such as smartphones and MP3 players.

The VIZIO SB3821-C6 soundbar system is well equipped for external device connections with USB, 3.5mm, stereo RCA, digital optical and coaxial inputs. Additionally, the USB port supports the playback of .WAV audio files. For connectivity, stereo RCA-to-3.5mm, digital coaxial, and digital optical cables are included. A remote control is also included with the soundbar for simple operation and control. In addition to tabletop placement, the soundbar features a wall-mountable design and includes mounting hardware.


  • 2.1-Channel System
  • Two 2.75" Full-Range Drivers
  • Bluetooth Audio Streaming
  • 1 x RCA / 1 x 3.5mm / 1 x USB
  • Produces 100 db of audio to deliver a room-filling audio experience
  • Suitable for 42"-class and up TVs

Wireless Subwoofer

The included wireless subwoofer provides placement flexibility and is designed to deliver deep bass tones for music and movies.

DTS TruSurround

DTS TruSurround is engineered to deliver immersive and detailed virtual surround sound without the need for rear speakers.

DTS TruVolume

DTS TruVolume is designed to provide a consistent volume level for your audio sources. Simply set the volume once.

Dolby Digital

Dolby Digital is an audio standard for cinema, broadcast, DVD, Blu-ray, and streaming content. Dolby Digital surround sound provides spatial dimension to soundtracks and enhanced audio definition for an engaging listening experience.


Channels 2.1
Design Soundbar: 2 x 2.75" (7 cm) full-range drivers
  Subwoofer: 1 x 5.25" (13.3 cm) high excursion driver
Sound Pressure 100 db < 1% THD
Frequency Response System: 50 Hz to 19 KHz
Audio Processing Dolby Digital, DTS Studio Sound, DTS TruSurround, DTS TruVolume
Inputs 1 x Digital Optical
  1 x Digital Coaxial
  1 x Stereo RCA
  1 x 1/8" (3.5 mm) stereo mini jack
  1 x USB (for .WAV audio playback)
Other Ports 2 x Power (1 x Subwoofer / 1 x Soundbar)
Bluetooth Yes
Wireless Range Subwoofer: Up to 60' (18.3 m) from soundbar with clear line of sight
Buttons Power, Input, Volume Up, Volume Down, Bluetooth
Power Requirements 120 VAC, 60 Hz
Compliances UL, FCC, cUL, NRCAN, NOM
Dimensions (WxHxD) Soundbar: 38.0 x 3.0 x 3.0" (96.5 x 7.6 x 7.6 cm)
  Subwoofer: 8.3 x 9.1 x 8.3" (21.1 x 23.1 x 21.1 cm)
Weight Soundbar with Stand: 5.8 lb (2.6 kg)
  Subwoofer: 7.2 lb (3.3 kg)
Packaging Info
Package Weight 18 lb
Box Dimensions (LxWxH) 40 x 15 x 10.5"

VIZIO SB3821-C6B-RB 38" 2.1 Channel Soundbar Speaker System - Certified Refurbished

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