Yamaha MusicCast BAR 400 vs LG SLM4R comparison definitely makes sense. Based on our rating, MusicCast BAR 400 has a total rating of 8.2 out of 10 versus 5.2 for SLM4R. The competitors' control buttons are different: power, volume down, volume up, input, mute and power, volume down, volume up, function, 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 for the LG SLM4R. The output power is different and equal to 200 (overall) W for the MusicCast BAR 400 versus 420 (overall) W for the SLM4R. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. Both models received our 7 rating of 10 for their audio features and specs. Spotify support is available on the MusicCast BAR 400.
Only the Yamaha MusicCast BAR 400 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the MusicCast BAR 400 supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the MusicCast BAR 400 received a rating of 8/10 versus 6/10, respectively. App control is available for the SLM4R. A built-in microphone is present only on the MusicCast BAR 400. Multi-room is only available for the Yamaha MusicCast BAR 400.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Yamaha MusicCast BAR 400 got a rating of 6, and LG SLM4R 5 out of 10.