The VIZIO SB3651-E6 vs LG SPD7Y comparison proves that these soundbars have many common features. Based on our rating, SB3651-E6 has a total rating of 7.6 out of 10 versus 5.6 for SPD7Y.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the VIZIO SB3651-E6 has 5.1 versus 3.1.2 for the LG SPD7Y. 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 is available on the SB3651-E6.
Only the VIZIO SB3651-E6 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The VIZIO SB3651-E6 has 1/0 HDMI inputs/outputs versus 1/1 of the LG SPD7Y. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the SB3651-E6 received a rating of 8/10 versus 7/10, respectively. App control is available for the SB3651-E6. A built-in microphone is present only on the SB3651-E6. Soundbars do not have Multi-room support.
Only the SPD7Y has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SPD7Y. For multichannel surround VIZIO SB3651-E6 got a rating of 4, and LG SPD7Y 10 out of 10.