It makes sense comparing Yamaha MusicCast BAR 400 vs LG SL9YG because they both are able to give some premium features. Based on our rating, MusicCast BAR 400 has a total rating of 7.6 out of 10 versus 7.4 for SL9YG. The competitors' control buttons are different: power, volume down, volume up, input, mute 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 MusicCast BAR 400 has 5.1 versus 4.1.2 for the LG SL9YG. The output power is different and equal to 100 W for the MusicCast BAR 400 versus 500 (overall) W for the SL9YG. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. Both models received our 8 rating of 10 for their audio features and specs. 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 MusicCast BAR 400 received a rating of 9/10 versus 7/10, respectively.
App control is available for the SL9YG. A built-in microphone is present in each model. Multi-room is only available for the Yamaha MusicCast BAR 400.
Only the SL9YG has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SL9YG. The MusicCast BAR 400 supports DTS Virtual:X. For multichannel surround Yamaha MusicCast BAR 400 got a rating of 4, and LG SL9YG 7 out of 10.
The Yamaha MusicCast BAR 400 is better soundbar in this comparison. Check Yamaha MusicCast BAR 400 price