It makes sense comparing Denon HEOS BAR vs LG SN9YG because they both are able to give some premium features. Based on our rating, both soundbars have the same overall rating of 7. The competitors' control buttons are different: volume down, volume up, sound off and power, volume down, volume up, function, play/pause, microphone, 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 5.1.2 for the LG SN9YG. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Denon HEOS BAR got our rating of 6 out of 10, and the LG SN9YG 8 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support is available on the HEOS BAR.
Only the LG SN9YG can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Denon HEOS BAR has 4/1 HDMI inputs/outputs versus 1/1 of the LG SN9YG. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the HEOS BAR received a rating of 7/10 versus 8/10, respectively.
App control is available in every soundbar. A built-in microphone is present in each model. Multi-room is only available for the Denon HEOS BAR.
Only the SN9YG has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SN9YG. For multichannel surround Denon HEOS BAR got a rating of 5, and LG SN9YG 10 out of 10.