VIZIO M512a-H6 vs LG SN4Y review

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Rating 5 5

VIZIO M512a-H6 vs LG SN4Y comparison chart

VIZIO M512a-H6 vs LG SN4Y review

VIZIO M512a-H6

In this article, we will talk about VIZIO M512a-H6 vs LG SN4Y comparison. The VIZIO M512a-H6 was rated 5.6, while the LG SN4Y has a rating 5.4. The soundbars are equipped with a different number of buttons, power, source, demo, volume down, volume up for the M512a-H6 and power, volume down, volume up, function for the SN4Y.

Audio features

Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that M512a-H6 has 5.1.2 and SN4Y has 2.1. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 8 out of 10 received the VIZIO M512a-H6 for audio features and specs, but the LG SN4Y received 6 out of 10.

Streaming services

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 M512a-H6, so in the SN4Y there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the M512a-H6 at 8 out of 10, while the SN4Y was rated 7/10.


The manufacturer of the SN4Y provides a device control application. Soundbars in this review are not equipped with a microphone. The models under consideration cannot become part of a multiroom system.

Multichannel surround

Dolby Atmos audio decoder is onboard the M512a-H6. The M512a-H6 can work with surround sound due to DTS:X support. The M512a-H6 was rated 8/10, while the SN4Y received a mark of 6/10 for multichannel surround.

Advantages VIZIO M512a-H6 over LG SN4Y

  • Compatible with Dolby Atmos
  • Compatible with DTS:X

Advantages LG SN4Y over VIZIO M512a-H6

  • App control
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VIZIO M512a-H6