The VIZIO SB2920-C6 vs VIZIO SB3820-C6 comparison proves that these soundbars have many common features. Based on our rating, SB2920-C6 has a total rating of 4 out of 10 versus 5.2 for SB3820-C6. The competitors' control buttons are different: power, volume down, volume up, input, Bluetooth and power, input, Bluetooth, volume down, volume up, respectively.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.0. Competitors do not have a built-in subwoofer. Both models received our 5 rating of 10 for their audio features and specs.
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. The HDMI Audio Return Channel (ARC) does not support any one of these models. Both soundbars have a USB connector. For connectivity, the SB2920-C6 received a rating of 5/10 versus 6/10, respectively.
App control is available for the SB3820-C6. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X.