It makes sense comparing Vizio M21d-H8 vs Akixno SR210 because they both are able to give some premium features. Based on our rating, M21d-H8 has a total rating of 5 out of 10 versus 4 for SR210. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, volume down, volume up, Bluetooth, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Vizio M21d-H8 has 2.1 versus 2.0 for the Akixno SR210. Only the Vizio M21d-H8 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. Only the M21d-H8 supports HDMI Audio Return Channel (ARC). For connectivity, the M21d-H8 received a rating of 6/10 versus 4/10, respectively. Compared soundbars have no app control. A built-in microphone is present only on the M21d-H8. 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.