An affordable soundbar is always a good option to consider, so VIZIO SB2821-D6 vs LG SN6Y comparison definitely makes sense. Based on our rating, SB2821-D6 has a total rating of 4.8 out of 10 versus 6.2 for SN6Y. The competitors' control buttons are different: power, input, Bluetooth, volume down, volume up and power, volume down, volume up, function, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the VIZIO SB2821-D6 has 2.1 versus 3.1 for the LG SN6Y. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The VIZIO SB2821-D6 got our rating of 6 out of 10, and the LG SN6Y 7 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 SN6Y supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the SB2821-D6 received a rating of 4/10 versus 8/10, respectively. App control is available for the SN6Y. A built-in microphone is present only on the SN6Y. 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.