The Denon HEOS BAR vs VIZIO SB3820-C6 comparison proves that these soundbars have many common features. Based on our rating, HEOS BAR has a total rating of 7 out of 10 versus 5.2 for SB3820-C6. The competitors' control buttons are different: volume down, volume up, sound off 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 Denon HEOS BAR has 3.0 versus 2.0 for the VIZIO SB3820-C6. Competitors do not have a built-in subwoofer. The Denon HEOS BAR got our rating of 6 out of 10, and the VIZIO SB3820-C6 5 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support is available on the HEOS BAR.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Only the HEOS BAR supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the HEOS BAR received a rating of 7/10 versus 6/10, respectively. App control is available in every soundbar. A built-in microphone is present only on the HEOS BAR. Multi-room is only available for the Denon HEOS BAR.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Denon HEOS BAR got a rating of 5, and VIZIO SB3820-C6 4 out of 10.