It makes sense comparing Samsung HW-A550 vs Samsung HW-A450 because they both are able to give some premium features. Based on our rating, HW-A550 has a total rating of 4.6 out of 10 versus 4 for HW-A450. 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. Soundbars have the same number of channels on 2.1. The output power is different and equal to 410 (overall) W for the HW-A550 versus 300 (overall) W for the HW-A450. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate 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. Only the HW-A550 supports HDMI Audio Return Channel (ARC). For connectivity, the HW-A550 received a rating of 8/10 versus 5/10, 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, each of the opponents received 6 points out of 10.