The LG SC9S vs Samsung HW-A550 comparison proves that these soundbars have many common features. Based on our rating, SC9S has a total rating of 6.4 out of 10 versus 4.6 for HW-A550.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. The output power is different and equal to 310 (overall) W for the SC9S 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 SC9S got our rating of 6 out of 10, and the Samsung HW-A550 5 for its audio features and specs.
Spotify support is available on the SC9S.
Only the LG SC9S 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, the SC9S received a rating of 7/10 versus 8/10, respectively.
App control is available for the SC9S. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
Only the SC9S has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SC9S. For multichannel surround LG SC9S got a rating of 5, and Samsung HW-A550 6 out of 10.