The LG S75QR vs Samsung HW-A550 comparison proves that these soundbars have many common features. Based on our rating, S75QR has a total rating of 5.5 out of 10 versus 4.6 for HW-A550. The set of control buttons for competitors is the same and is: power, source, demo, volume down, volume up.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG S75QR has 5.1.2 versus 2.1 for the Samsung HW-A550. The output power is different and equal to 450 (overall) W for the S75QR 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 S75QR got our rating of 8 out of 10, and the Samsung HW-A550 5 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. 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 S75QR received a rating of 7/10 versus 8/10, respectively.
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 S75QR has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the S75QR. For multichannel surround, each of the opponents received 6 points out of 10.