Polk Audio React vs LG SLM4R comparison definitely makes sense. Based on our rating, React has a total rating of 4.8 out of 10 versus 5.2 for SLM4R. The competitors' control buttons are different: power, source, volume down, volume up and power, volume down, volume up, function, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Polk Audio React has 2.0 versus 4.1 for the LG SLM4R. The output power is different and equal to 30 (overall) W for the React versus 420 (overall) W for the SLM4R. Competitors do not have a built-in subwoofer. The React has a wired connection to separate subwoofer, and the SLM4R - wireless. The Polk Audio React got our rating of 4 out of 10, and the LG SLM4R 7 for its audio features and specs.
Spotify support is available on the React.
Only the Polk Audio React can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the React supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the React received a rating of 5/10 versus 6/10, respectively.
App control is available in every soundbar. A built-in microphone is present only on the React. Soundbars do not have Multi-room support.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Polk Audio React got a rating of 6, and LG SLM4R 5 out of 10.