If you have already decided that you want to buy a new soundbar, but still don’t know what exactly you want, the Vizio M21d-H8 vs Samsung B550 comparison is here to offer you two decent solutions. The Vizio M21d-H8 was rated 5, while the Samsung B550 has a rating 4.6.
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 Vizio M21d-H8. Rate 5 out of 10 received the Vizio M21d-H8 for audio features and specs, but the Samsung B550 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. 1/1 HDMI inputs/outputs are in each of soundbars. As in the M21d-H8, so in the B550 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the M21d-H8 at 6 out of 10, while the B550 was rated 7/10. 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 M21d-H8 or B550. Devices from this comparison cannot process surround sound due to lack of DTS:X. The M21d-H8 was rated 5/10, while the B550 received a mark of 6/10 for multichannel surround.