It makes sense comparing Samsung B550 vs Samsung Q800B because they both are able to give some premium features. Based on our rating, B550 has a total rating of 4.6 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 Samsung B550 has 2.1 versus 5.1.2 for the Samsung Q800B. The output power is different and equal to 410 (overall) W for the B550 versus 360 (overall) W for the Q800B. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Samsung B550 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. 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 B550 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 Samsung B550 got a rating of 6, and Samsung Q800B 10 out of 10.