It makes sense comparing LG SNC4R vs LG SL9YG because they both are able to give some premium features. Based on our rating, SNC4R has a total rating of 5.2 out of 10 versus 8 for SL9YG. The competitors' control buttons are different: power, volume down, volume up, function and power, volume down, volume up, play/pause, microphone, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG SNC4R has 4.1 versus 4.1.2 for the LG SL9YG. The output power is different and equal to 420 (overall) W for the SNC4R versus 500 (overall) W for the SL9YG. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The LG SNC4R got our rating of 7 out of 10, and the LG SL9YG 8 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support is available on the SL9YG.
Only the LG SL9YG can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the SL9YG supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the SNC4R received a rating of 6/10 versus 7/10, respectively. App control is available in every soundbar. A built-in microphone is present only on the SL9YG. Multi-room is only available for the LG SL9YG.
Only the SL9YG has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SL9YG. For multichannel surround LG SNC4R got a rating of 5, and LG SL9YG 8 out of 10.