It makes sense comparing VIZIO M51ax-J6 vs Samsung HW-A450 because they both are able to give some premium features. Based on our rating, M51ax-J6 has a total rating of 5.4 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. A significant difference between the units in the number of channels, the VIZIO M51ax-J6 has 5.1 versus 2.1 for the Samsung HW-A450. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The VIZIO M51ax-J6 got our rating of 7 out of 10, and the Samsung HW-A450 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. Only the M51ax-J6 supports HDMI Audio Return Channel (ARC). For connectivity, the M51ax-J6 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.
Only the M51ax-J6 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the M51ax-J6. For multichannel surround VIZIO M51ax-J6 got a rating of 8, and Samsung HW-A450 6 out of 10.