An affordable soundbar is always a good option to consider, so Vizio V21-H8 vs LG SP2 comparison definitely makes sense. Based on our rating, V21-H8 has a total rating of 5.5 out of 10 versus 4.2 for SP2.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. Only the LG SP2 has a built-in subwoofer. The Vizio V21-H8 got our rating of 6 out of 10, and the LG SP2 5 for its 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. The Vizio V21-H8 has 0/1 HDMI inputs/outputs versus 1/1 of the LG SP2. 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.