It makes sense comparing Yamaha YAS-109 vs LG SL9YG because they both are able to give some premium features. Based on our rating, YAS-109 has a total rating of 7 out of 10 versus 7.4 for SL9YG. The competitors' control buttons are different: power, volume down, volume up, input, microphone 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-109 has 2.0 versus 4.1.2 for the LG SL9YG. The output power is different and equal to 60 W for the YAS-109 versus 500 (overall) W for the SL9YG. Only the Yamaha YAS-109 has a built-in subwoofer. The YAS-109 has a wired and wireless connection to separate subwoofer, and the SL9YG - wireless. The Yamaha YAS-109 got our rating of 7 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 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. Each soundbar has 1/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the YAS-109 received a rating of 9/10 versus 7/10, respectively.
App control is available in every soundbar. A built-in microphone is present in each model. 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. The YAS-109 supports DTS Virtual:X. For multichannel surround Yamaha YAS-109 got a rating of 5, and LG SL9YG 7 out of 10.
The LG SL9YG is better soundbar in this comparison. Check LG SL9YG price