In this article, we will talk about Vizio M21d-H8 vs VIZIO SB3621n-F8M comparison. The Vizio M21d-H8 was rated 5, while the VIZIO SB3621n-F8M has a rating 4.6. The soundbars are equipped with a different number of buttons, power, volume down, volume up, source, Bluetooth for the M21d-H8 and power, input, Bluetooth, volume down, volume up for the SB3621n-F8M.
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 VIZIO SB3621n-F8M 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. The HDMI Audio Return Channel (ARC) is implemented only in the M21d-H8. We rated the connectivity of the M21d-H8 at 6 out of 10, while the SB3621n-F8M was rated 4/10. The manufacturer of the SB3621n-F8M 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 SB3621n-F8M. Devices from this comparison cannot process surround sound due to lack of DTS:X. The M21d-H8 was rated 5/10, while the SB3621n-F8M received a mark of 4/10 for multichannel surround.