The LG S90QY vs Samsung HW-A550 comparison proves that these soundbars have many common features. Based on our rating, S90QY has a total rating of 8 out of 10 versus 4.6 for HW-A550.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG S90QY has 5.1.3 versus 2.1 for the Samsung HW-A550. The output power is different and equal to 440 (overall) W for the S90QY versus 410 (overall) W for the HW-A550. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The LG S90QY got our rating of 8 out of 10, and the Samsung HW-A550 5 for its audio features and specs.
Spotify support is available on the S90QY.
Only the LG S90QY 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. For connectivity, each of the soundbars received a rating of 8/10.
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 S90QY has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the S90QY. For multichannel surround LG S90QY got a rating of 10, and Samsung HW-A550 6 out of 10.