I had a chance to test and compare two models: LG SN9YG vs VIZIO M512a-H6 and this review should help people who are looking for a good soundbar. The LG SN9YG was rated 7, while the VIZIO M512a-H6 has a rating 5.6. The soundbars are equipped with a different number of buttons, power, volume down, volume up, function, play/pause, microphone for the SN9YG and power, source, demo, volume down, volume up for the M512a-H6.
Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. 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. Audio features and specs of considered models we rated 8 out of 10 in our ranking.
Soundbars do not have AirPlay support. The units in this comparison do not support Spotify.
Wireless Internet connection is realized only in the SN9YG. Soundbars from this comparison have Bluetooth support. 1/1 HDMI inputs/outputs are in each of soundbars. As in the SN9YG, so in the M512a-H6 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. The connectivity of each of the models was estimated at 8/10. The manufacturer of the SN9YG provides a device control application. The LG SN9YG equipped with a microphone. The models under consideration cannot become part of a multiroom system.
Manufacturers equipped both units with Dolby Atmos audio decoder. Units from this comparison can process surround sound due to DTS:X support. The SN9YG was rated 10/10, while the M512a-H6 received a mark of 8/10 for multichannel surround.