It makes sense comparing Sony HT-S400 vs Samsung Q800B because they both are able to give some premium features. Based on our rating, HT-S400 has a total rating of 4.4 out of 10 versus 9.2 for Q800B.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Sony HT-S400 has 2.1 versus 5.1.2 for the Samsung Q800B. The output power is different and equal to 330 (overall) W for the HT-S400 versus 360 (overall) W for the Q800B. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Sony HT-S400 got our rating of 6 out of 10, and the Samsung Q800B 8 for its audio features and specs.
Spotify support is available on the Q800B.
Only the Samsung Q800B can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Sony HT-S400 has 0/1 HDMI inputs/outputs versus 1/1 of the Samsung Q800B. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the HT-S400 received a rating of 7/10 versus 9/10, respectively.
App control is available for the Q800B. A built-in microphone is present only on the Q800B. Soundbars do not have Multi-room support.
Only the Q800B has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the Q800B. For multichannel surround Sony HT-S400 got a rating of 5, and Samsung Q800B 10 out of 10.