If you have already decided that you want to buy a new soundbar, but still don’t know what exactly you want, the VIZIO SB3821-C6 vs ZVOX SB380 comparison is here to offer you two decent solutions. The VIZIO SB3821-C6 was rated 4.5, while the ZVOX SB380 has a rating 4. The soundbars are equipped with a different number of buttons, power, input, Bluetooth, volume down, volume up for the SB3821-C6 and power, volume down, volume up, input for the SB380.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that SB3821-C6 has 2.1 and SB380 has 3.1. A built-in subwoofer is available only in the ZVOX SB380. Rate 5 out of 10 received the VIZIO SB3821-C6 for audio features and specs, but the ZVOX SB380 received 6 out of 10.
Soundbars do not have AirPlay support. The units in this comparison do not support Spotify.
Both models do not have a wireless Wi-Fi interface. Bluetooth support integrated in the SB3821-C6. Neither the SB3821-C6 nor SB380 has the HDMI Audio Return Channel (ARC). We rated the connectivity of the SB3821-C6 at 6 out of 10, while the SB380 was rated 4/10.
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.
Dolby Atmos audio decoder support is not implemented in either the SB3821-C6 or SB380. Devices from this comparison cannot process surround sound due to lack of DTS:X. The SB3821-C6 was rated 5/10, while the SB380 received a mark of 4/10 for multichannel surround.