The VIZIO SB3651-E6 vs Vizio V51-H6 comparison shows that these models have some important differences and common features. The VIZIO SB3651-E6 was rated 7.6, while the Vizio V51-H6 has a rating 6. The soundbars are equipped with a different number of buttons, power, input, Bluetooth, volume down, volume up for the SB3651-E6 and power, volume down, volume up, source, Bluetooth for the V51-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 connects to the SB3651-E6 via wireless, but V51-H6 has wired and wireless connection type. Audio features and specs of considered models we rated 7 out of 10 in our ranking. The SB3651-E6 can play audio from Spotify.
Wireless Internet connection is realized only in the SB3651-E6. Soundbars from this comparison have Bluetooth support. There are 1/0 HDMI inputs/outputs in the VIZIO SB3651-E6 versus 0/1 HDMIs in the Vizio V51-H6. As in the SB3651-E6, so in the V51-H6 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the SB3651-E6 at 8 out of 10, while the V51-H6 was rated 6/10.
Each of the soundbars can be controlled using the application. The soundbars in this review are 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 SB3651-E6 or V51-H6. Devices from this comparison cannot process surround sound due to lack of DTS:X. The SB3651-E6 was rated 4/10, while the V51-H6 received a mark of 5/10 for multichannel surround.