An affordable soundbar is always a good option to consider, so LG SN9YG vs LG SP2 comparison definitely makes sense. Based on our rating, SN9YG has a total rating of 7 out of 10 versus 4.2 for SP2.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG SN9YG has 5.1.2 versus 2.1 for the LG SP2. The output power is different and equal to 520 (overall) W for the SN9YG versus 100 (overall) W for the SP2. Only the LG SP2 has a built-in subwoofer. The LG SN9YG got our rating of 8 out of 10, and the LG SP2 5 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Only the LG SN9YG can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Each soundbar has 1/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the SN9YG received a rating of 8/10 versus 7/10, respectively. App control is available for the SN9YG. A built-in microphone is present only on the SN9YG. Soundbars do not have Multi-room support.
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 LG SN9YG got a rating of 10, and LG SP2 5 out of 10.