Yamaha YAS-109 vs VIZIO SB3651-F6 comparison definitely makes sense. Based on our rating, both soundbars have the same overall rating of 6.8. The competitors' control buttons are different: power, volume down, volume up, input, microphone 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 Yamaha YAS-109 has 2.0 versus 5.1 for the VIZIO SB3651-F6. Only the Yamaha YAS-109 has a built-in subwoofer. Rivals have wired and wireless connection to separate subwoofer. The Yamaha YAS-109 got our rating of 6 out of 10, and the VIZIO SB3651-F6 8 for its audio features and specs.
Soundbars do not have AirPlay support. 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 Yamaha YAS-109 has 1/1 HDMI inputs/outputs versus 1/0 of the VIZIO SB3651-F6. 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 YAS-109. Soundbars do not have Multi-room support.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround, each of the opponents received 6 points out of 10.