Bose Smart Ultra Soundbar vs LG SLM4R comparison definitely makes sense. Based on our rating, Smart Ultra Soundbar has a total rating of 8.4 out of 10 versus 5.2 for SLM4R.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Bose Smart Ultra Soundbar has 5.1.2 versus 4.1 for the LG SLM4R. Competitors do not have a built-in subwoofer. The Smart Ultra Soundbar has a wired connection to separate subwoofer, and the SLM4R - wireless. The Bose Smart Ultra Soundbar got our rating of 8 out of 10, and the LG SLM4R 7 for its audio features and specs.
Spotify support is available on the Smart Ultra Soundbar.
Only the Bose Smart Ultra Soundbar can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the Smart Ultra Soundbar supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the Smart Ultra Soundbar received a rating of 9/10 versus 6/10, respectively.
App control is available in every soundbar. A built-in microphone is present only on the Smart Ultra Soundbar. Soundbars do not have Multi-room support.
Only the Smart Ultra Soundbar has a Dolby Atmos multichannel audio format support. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Bose Smart Ultra Soundbar got a rating of 6, and LG SLM4R 5 out of 10.