VIZIO SB2821-D6 vs VIZIO SB3821-C6 review
l would like to share my experience after comparing and testing two soundbars – VIZIO SB2821-D6 vs VIZIO SB3821-C6. The VIZIO SB2821-D6 was rated 4.8, while the VIZIO SB3821-C6 has a rating 4.5. Soundbars have the same set of buttons - power, input, Bluetooth, volume down, volume up.
Audio features
Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 6 out of 10 received the VIZIO SB2821-D6 for audio features and specs, but the VIZIO SB3821-C6 received 5 out of 10.
Streaming services
Soundbars do not have AirPlay support. The units in this comparison do not support Spotify.
Connectivity
Both models do not have a wireless Wi-Fi interface. Soundbars from this comparison have Bluetooth support. Neither the SB2821-D6 nor SB3821-C6 has the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the SB2821-D6 at 4 out of 10, while the SB3821-C6 was rated 6/10.
Features
None of these soundbars can be controlled using the app. Soundbars in this review are not equipped with a microphone. The models under consideration cannot become part of a multiroom system.
Multichannel surround
Dolby Atmos audio decoder support is not implemented in either the SB2821-D6 or SB3821-C6. Devices from this comparison cannot process surround sound due to lack of DTS:X. The same score of 5/10 was put to the soundbars for multichannel surround support.
Common
Product
Model
Brand
Reviews
General
Placement type
Connection to source
Soundbar buttons
Audio features
Built-in channels
Amplification type
Output power, W
Separate speaker (in package)
Separate speaker connections
Subwoofer
Built-in subwoofer
Separate subwoofer (in package)
Separate subwoofer connections
Streaming services
Apple Music (AirPlay)
Amazon Music
Spotify
Other streaming services
Connectivity
WI-FI
Bluetooth
Ethernet (RJ45)
NFC
HDMI input/output
HDMI ARC
HDMI eARC
HDMI CEC
Optical digital input/output
USB
Coaxial digital input/output
Analog audio input/output (RCA)
Headphone output
Subwoofer output
Features
Voice control
App control
Microphone
Remote control
Multi-room
Multichannel surround
Dolby Atmos
Dolby (other)
DTS:X
DTS (other)
Dimensions
Size (Wx H x D), cm/in
Weight, kg/pounds
Other
Release year
Soundbars SoundStrokes Art comparison rating
- 4.8VIZIO SB2821-D6
- 4.5VIZIO SB3821-C6
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