It makes sense comparing VIZIO SB3621n-F8M vs LG SL9YG because they both are able to give some premium features. Based on our rating, SB3621n-F8M has a total rating of 4.6 out of 10 versus 7.4 for SL9YG. The competitors' control buttons are different: power, input, Bluetooth, volume down, volume up and power, volume down, volume up, play/pause, microphone, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the VIZIO SB3621n-F8M has 2.1 versus 4.1.2 for the LG SL9YG. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The VIZIO SB3621n-F8M got our rating of 6 out of 10, and the LG SL9YG 8 for its audio features and specs.
Soundbars do not have AirPlay support. Only the SL9YG supports Google Play Music. Spotify support is available on the SL9YG.
Only the LG SL9YG can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the SL9YG supports HDMI Audio Return Channel (ARC). For connectivity, the SB3621n-F8M received a rating of 4/10 versus 7/10, respectively. App control is available in every soundbar. A built-in microphone is present only on the SL9YG. Soundbars do not have Multi-room support.
Only the SL9YG has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SL9YG. Compared devices do not have DTS Virtual:X support. For multichannel surround VIZIO SB3621n-F8M got a rating of 2, and LG SL9YG 7 out of 10.
The LG SL9YG is better soundbar in this comparison. Check LG SL9YG price