I had a chance to test and compare two models: Yamaha SR-B20A vs Vizio V21-H8 and this review should help people who are looking for a good soundbar. The Yamaha SR-B20A was rated 3.8, while the Vizio V21-H8 has a rating 5.5. The soundbars are equipped with a different number of buttons, power, source, demo, volume down, volume up for the SR-B20A and power, volume down, volume up, source, Bluetooth for the V21-H8.
Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. A built-in subwoofer is available only in the Yamaha SR-B20A. Rate 5 out of 10 received the Yamaha SR-B20A for audio features and specs, but the Vizio V21-H8 received 6 out of 10.
Soundbars do not have AirPlay support. The units in this comparison do not support Spotify.
Both models do not have a wireless Wi-Fi interface. Soundbars from this comparison have Bluetooth support. 0/1 HDMI inputs/outputs are in each of soundbars. As in the SR-B20A, so in the V21-H8 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the SR-B20A at 4 out of 10, while the V21-H8 was rated 6/10. The manufacturer of the V21-H8 provides a device control application. The Vizio V21-H8 equipped with a microphone. The models under consideration cannot become part of a multiroom system.
Dolby Atmos audio decoder support is not implemented in either the SR-B20A or V21-H8. Devices from this comparison cannot process surround sound due to lack of DTS:X. The SR-B20A was rated 6/10, while the V21-H8 received a mark of 5/10 for multichannel surround.