The VIZIO M512a-H6 vs Samsung HW-A550 comparison proves that these soundbars have many common features. Based on our rating, M512a-H6 has a total rating of 5.6 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 VIZIO M512a-H6 has 5.1.2 versus 2.1 for the Samsung HW-A550. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The VIZIO M512a-H6 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, 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 M512a-H6 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the M512a-H6. For multichannel surround VIZIO M512a-H6 got a rating of 8, and Samsung HW-A550 6 out of 10.