It makes sense comparing Sonos Arc vs LG SL9YG because they both are able to give some premium features. Based on our rating, Arc has a total rating of 7 out of 10 versus 8 for SL9YG. The competitors' control buttons are different: volume down, volume up, play/pause, microphone and power, volume down, volume up, play/pause, microphone, respectively.
Both soundbars have active amplification type. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Sonos Arc got our rating of 5 out of 10, and the LG SL9YG 8 for its audio features and specs. Spotify is available on each of the soundbars.
These models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Sonos Arc has 1/0 HDMI inputs/outputs versus 1/1 of the LG SL9YG. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, each of the soundbars received a rating of 7/10.
App control is available in every soundbar. A built-in microphone is present in each model. Multi-room is only available for the LG SL9YG.
Both devices have support for Dolby Atmos multichannel audio format. A surround technology DTS:X is supported only by the SL9YG. For multichannel surround Sonos Arc got a rating of 4, and LG SL9YG 8 out of 10.