The Vizio M21d-H8 vs Sony HT-X9000F comparison proves that these soundbars have many common features. Based on our rating, M21d-H8 has a total rating of 5 out of 10 versus 7 for HT-X9000F. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, input, Bluetooth, volume down, volume up, respectively.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. Only the Vizio M21d-H8 has a built-in subwoofer. The Vizio M21d-H8 got our rating of 5 out of 10, and the Sony HT-X9000F 7 for its audio features and specs. Spotify support is available on the HT-X9000F.
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 1/0 of the Sony HT-X9000F. 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 7/10, 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.
Only the HT-X9000F has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HT-X9000F. For multichannel surround Vizio M21d-H8 got a rating of 5, and Sony HT-X9000F 9 out of 10.