I had a chance to test and compare two models: Vizio M21d-H8 vs Yamaha YAS-107 and this review should help people who are looking for a good soundbar. The Vizio M21d-H8 was rated 5, while the Yamaha YAS-107 has a rating 6.8. The soundbars are equipped with a different number of buttons, power, volume down, volume up, source, Bluetooth for the M21d-H8 and input, mute, volume down, volume up, power for the YAS-107.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that M21d-H8 has 2.1 and YAS-107 has 2.0. Competitors have a built-in subwoofer. Rate 5 out of 10 received the Vizio M21d-H8 for audio features and specs, but the Yamaha YAS-107 received 7 out of 10. The YAS-107 can play audio from Spotify.
Both models do not have a wireless Wi-Fi interface. Soundbars from this comparison have Bluetooth support. There are 1/1 HDMI inputs/outputs in the Vizio M21d-H8 versus 1/0 HDMIs in the Yamaha YAS-107. As in the M21d-H8, so in the YAS-107 there is the HDMI Audio Return Channel (ARC). The connectivity of each of the models was estimated at 6/10. The manufacturer of the YAS-107 provides a device control application. 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 M21d-H8 or YAS-107. Devices from this comparison cannot process surround sound due to lack of DTS:X. The M21d-H8 was rated 5/10, while the YAS-107 received a mark of 6/10 for multichannel surround.