The Sony HT-Z9F vs VIZIO SB3651-E6 comparison proves that these soundbars have many common features. Based on our rating, HT-Z9F has a total rating of 7.2 out of 10 versus 7.6 for SB3651-E6. The competitors' control buttons are different: power, input, Bluetooth, music service, volume down, volume up and power, input, Bluetooth, volume down, volume up, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Sony HT-Z9F has 3.1 versus 5.1 for the VIZIO SB3651-E6. 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 is available on each of the soundbars.
These models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Sony HT-Z9F has 2/0 HDMI inputs/outputs versus 1/0 of the VIZIO SB3651-E6. 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 for the SB3651-E6. A built-in microphone is present only on the SB3651-E6. Multi-room is only available for the Sony HT-Z9F.
Only the HT-Z9F has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HT-Z9F. For multichannel surround Sony HT-Z9F got a rating of 8, and VIZIO SB3651-E6 4 out of 10.