Vizio V21-H8 vs Sony HT-S400 comparison definitely makes sense. Based on our rating, V21-H8 has a total rating of 5.5 out of 10 versus 4.4 for HT-S400.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. Competitors do not have a built-in subwoofer. The V21-H8 has a wired and wireless connection to separate subwoofer, and the HT-S400 - wireless. Both models received our 6 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. Each soundbar has 0/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the V21-H8 received a rating of 6/10 versus 7/10, respectively. App control is available for the V21-H8. A built-in microphone is present only on the V21-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. For multichannel surround, each of the opponents received 5 points out of 10.