The Yamaha YAS-209 vs VIZIO SB3820-C6 comparison proves that these soundbars have many common features. Based on our rating, YAS-209 has a total rating of 6.4 out of 10 versus 5.2 for SB3820-C6. The competitors' control buttons are different: power, volume down, volume up, input, microphone 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. The Yamaha YAS-209 got our rating of 6 out of 10, and the VIZIO SB3820-C6 5 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support is available on the YAS-209.
Only the Yamaha YAS-209 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the YAS-209 supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the YAS-209 received a rating of 7/10 versus 6/10, respectively. App control is available in every soundbar. A built-in microphone is present only on the YAS-209. 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 Yamaha YAS-209 got a rating of 6, and VIZIO SB3820-C6 4 out of 10.