An affordable soundbar is always a good option to consider, so VIZIO M512a-H6 vs Polk Audio React comparison definitely makes sense. Based on our rating, M512a-H6 has a total rating of 5.6 out of 10 versus 4.8 for React. The competitors' control buttons are different: power, source, demo, volume down, volume up and power, source, volume down, volume up, respectively.
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 2.0 for the Polk Audio React. Competitors do not have a built-in subwoofer. The M512a-H6 has a wireless connection to separate subwoofer, and the React - wired. The VIZIO M512a-H6 got our rating of 8 out of 10, and the Polk Audio React 4 for its audio features and specs.
Spotify support is available on the React.
Only the Polk Audio React can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The VIZIO M512a-H6 has 1/1 HDMI inputs/outputs versus 0/1 of the Polk Audio React. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the M512a-H6 received a rating of 8/10 versus 5/10, respectively.
App control is available for the React. A built-in microphone is present only on the React. 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 Polk Audio React 6 out of 10.