LG S80QY vs Sony HT-S400 comparison definitely makes sense. Based on our rating, S80QY has a total rating of 7.8 out of 10 versus 4.4 for HT-S400.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG S80QY has 3.1.3 versus 2.1 for the Sony HT-S400. The output power is different and equal to 350 (overall) W for the S80QY versus 330 (overall) W for the HT-S400. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The LG S80QY got our rating of 7 out of 10, and the Sony HT-S400 6 for its audio features and specs.
Spotify support is available on the S80QY.
Only the LG S80QY can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The LG S80QY has 1/1 HDMI inputs/outputs versus 0/1 of the Sony HT-S400. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the S80QY received a rating of 8/10 versus 7/10, respectively.
Compared soundbars have no app control. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
Only the S80QY has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the S80QY. For multichannel surround LG S80QY got a rating of 10, and Sony HT-S400 5 out of 10.