It makes sense comparing Yamaha YAS-107 vs LG SL9YG because they both are able to give some premium features. Based on our rating, YAS-107 has a total rating of 6.8 out of 10 versus 8 for SL9YG. The competitors' control buttons are different: input, mute, volume down, volume up, power 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 Yamaha YAS-107 has 2.0 versus 4.1.2 for the LG SL9YG. The output power is different and equal to 120 W for the YAS-107 versus 500 (overall) W for the SL9YG. Only the Yamaha YAS-107 has a built-in subwoofer. The YAS-107 has a wired connection to separate subwoofer, and the SL9YG - wireless. The Yamaha YAS-107 got our rating of 7 out of 10, and the LG SL9YG 8 for its audio features and specs. Spotify is available on each of the soundbars.
Only the LG SL9YG can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Yamaha YAS-107 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, the YAS-107 received a rating of 6/10 versus 7/10, respectively. App control is available in every soundbar. A built-in microphone is present only on the SL9YG. Multi-room is only available for the LG SL9YG.
Only the SL9YG has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SL9YG. For multichannel surround Yamaha YAS-107 got a rating of 6, and LG SL9YG 8 out of 10.