l would like to share my experience after comparing and testing two soundbars – Yamaha SR-B20A vs Vizio M21d-H8. The Yamaha SR-B20A was rated 3.8, while the Vizio M21d-H8 has a rating 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 M21d-H8.
Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. Competitors have a built-in subwoofer. Audio features and specs of considered models we rated 5 out of 10 in our ranking.
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. There are 0/1 HDMI inputs/outputs in the Yamaha SR-B20A versus 1/1 HDMIs in the Vizio M21d-H8. As in the SR-B20A, so in the M21d-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 M21d-H8 was rated 6/10. None of these soundbars can be controlled using the app. The Vizio M21d-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 M21d-H8. Devices from this comparison cannot process surround sound due to lack of DTS:X. The SR-B20A was rated 6/10, while the M21d-H8 received a mark of 5/10 for multichannel surround.