Vizio M21d-H8 vs Bose Smart Ultra Soundbar review

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Vizio M21d-H8 vs Bose Smart Ultra Soundbar comparison chart

Vizio M21d-H8
Bose Smart Ultra Soundbar

Vizio M21d-H8 vs Bose Smart Ultra Soundbar review

Vizio M21d-H8
Bose Smart Ultra Soundbar

The present review is aimed to compare two soundbars - Vizio M21d-H8 vs Bose Smart Ultra Soundbar that are meant to satisfy the needs of cinema and music lovers. Based on our rating, M21d-H8 has a total rating of 5 out of 10 versus 8.4 for Smart Ultra Soundbar.

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 5.1.2 for the Bose Smart Ultra Soundbar. Only the Vizio M21d-H8 has a built-in subwoofer. The Vizio M21d-H8 got our rating of 5 out of 10, and the Bose Smart Ultra Soundbar 8 for its audio features and specs.

Streaming services

Spotify support is available on the Smart Ultra Soundbar.


Only the Bose Smart Ultra Soundbar can connect to the Internet via WI-FI. 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. Both soundbars have a USB connector. For connectivity, the M21d-H8 received a rating of 6/10 versus 9/10, respectively. App control is available for the Smart Ultra Soundbar. A built-in microphone is present in each model. Soundbars do not have Multi-room support.

Multichannel surround

Only the Smart Ultra Soundbar has a Dolby Atmos multichannel audio format support. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Vizio M21d-H8 got a rating of 5, and Bose Smart Ultra Soundbar 6 out of 10.

Advantages Vizio M21d-H8 over Bose Smart Ultra Soundbar

  • Built-in subwoofer

Advantages Bose Smart Ultra Soundbar over Vizio M21d-H8

  • Amazon Music compatible
  • Spotify support
  • WI-FI enabled
  • App control
  • Compatible with Dolby Atmos
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Vizio M21d-H8
Bose Smart Ultra Soundbar


Smart Ultra Soundbar