It makes sense comparing Samsung HW-T550 vs Samsung Q800B because they both are able to give some premium features. Based on our rating, HW-T550 has a total rating of 4.5 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 HW-T550 has 2.1 versus 5.1.2 for the Samsung Q800B. The output power is different and equal to 320 (overall) W for the HW-T550 versus 360 (overall) W for the Q800B. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Samsung HW-T550 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 HW-T550 received a rating of 6/10 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 HW-T550 got a rating of 5, and Samsung Q800B 10 out of 10.