I had a chance to test and compare two models: Vizio V51-H6 vs LG SP7R and this review should help people who are looking for a good soundbar. The Vizio V51-H6 was rated 6, while the LG SP7R has a rating 5. The soundbars are equipped with a different number of buttons, power, volume down, volume up, source, Bluetooth for the V51-H6 and power, source, demo, volume down, volume up for the SP7R.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that V51-H6 has 5.1 and SP7R has 7.1. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the V51-H6 via wired and wireless, but SP7R has wireless connection type. Rate 7 out of 10 received the Vizio V51-H6 for audio features and specs, but the LG SP7R received 8 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. There are 0/1 HDMI inputs/outputs in the Vizio V51-H6 versus 1/1 HDMIs in the LG SP7R. As in the V51-H6, so in the SP7R there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the V51-H6 at 6 out of 10, while the SP7R was rated 7/10. The manufacturer of the V51-H6 provides a device control application. The Vizio V51-H6 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 V51-H6 or SP7R. Devices from this comparison cannot process surround sound due to lack of DTS:X. The V51-H6 was rated 5/10, while the SP7R received a mark of 6/10 for multichannel surround.