The LG GX vs VIZIO SB46514-F6 comparison proves that these soundbars have many common features. Based on our rating, GX has a total rating of 6.5 out of 10 versus 7.6 for SB46514-F6. The competitors' control buttons are different: power, volume down, volume up, function and power, volume down, volume up, input, Bluetooth, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG GX has 3.1 versus 5.1.4 for the VIZIO SB46514-F6. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. Both models received our 7 rating of 10 for their audio features and specs. Spotify support not implemented in both soundbars.
Only the VIZIO SB46514-F6 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Each soundbar has 1/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, each of the soundbars received a rating of 8/10. App control is available in every soundbar. A built-in microphone is present only on the SB46514-F6. Multi-room is only available for the VIZIO SB46514-F6.
Both devices have support for Dolby Atmos multichannel audio format. A surround technology DTS:X is supported only by the GX. For multichannel surround LG GX got a rating of 10, and VIZIO SB46514-F6 7 out of 10.