An affordable soundbar is always a good option to consider, so VIZIO SB3821-C6 vs Yamaha SR-C20A comparison definitely makes sense. Based on our rating, SB3821-C6 has a total rating of 4.5 out of 10 versus 5 for SR-C20A. The competitors' control buttons are different: power, input, Bluetooth, volume down, volume up and volume down, volume up, power, source, respectively.
Both soundbars have active amplification type. Only the Yamaha SR-C20A has a built-in subwoofer. The VIZIO SB3821-C6 got our rating of 5 out of 10, and the Yamaha SR-C20A 6 for its 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. Only the SR-C20A supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the SB3821-C6 received a rating of 6/10 versus 7/10, respectively.
App control is available for the SR-C20A. 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. For multichannel surround, each of the opponents received 5 points out of 10.