The LG SP2 vs Samsung HW-A550 comparison proves that these soundbars have many common features. Based on our rating, SP2 has a total rating of 4.2 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 100 (overall) W for the SP2 versus 410 (overall) W for the HW-A550. Only the LG SP2 has a built-in subwoofer. Both models received our 5 rating of 10 for their 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 SP2 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.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround LG SP2 got a rating of 5, and Samsung HW-A550 6 out of 10.