Vizio M21d-H8 vs Nakamichi Shockwafe Ultra 9.2 eARC review

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An affordable soundbar is always a good option to consider, so Vizio M21d-H8 vs Nakamichi Shockwafe Ultra 9.2 eARC comparison definitely makes sense. Based on our rating, M21d-H8 has a total rating of 5 out of 10 versus 6.6 for Shockwafe Ultra 9.2 eARC.

Audio features

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 9.2.4 for the Nakamichi Shockwafe Ultra 9.2 eARC. Only the Vizio M21d-H8 has a built-in subwoofer. The Vizio M21d-H8 got our rating of 5 out of 10, and the Nakamichi Shockwafe Ultra 9.2 eARC 10 for its audio features and specs.

Streaming services

Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.

Connectivity

Both models do not have WI-FI support. Rivals from our review have Bluetooth support. The Vizio M21d-H8 has 1/1 HDMI inputs/outputs versus 3/1 of the Nakamichi Shockwafe Ultra 9.2 eARC. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the M21d-H8 received a rating of 6/10 versus 9/10, 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.

Multichannel surround

Only the Shockwafe Ultra 9.2 eARC has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the Shockwafe Ultra 9.2 eARC. For multichannel surround Vizio M21d-H8 got a rating of 5, and Nakamichi Shockwafe Ultra 9.2 eARC 10 out of 10.

Advantages Vizio M21d-H8 over Nakamichi Shockwafe Ultra 9.2 eARC

Advantages Nakamichi Shockwafe Ultra 9.2 eARC over Vizio M21d-H8