Sony HT-X8500 vs LG SLM4R comparison definitely makes sense. Based on our rating, HT-X8500 has a total rating of 6 out of 10 versus 5.2 for SLM4R. The competitors' control buttons are different: power, volume down, volume up, input, Bluetooth 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 Sony HT-X8500 has 2.1 versus 4.1 for the LG SLM4R. Only the Sony HT-X8500 has a built-in subwoofer. The Sony HT-X8500 got our rating of 6 out of 10, and the LG SLM4R 7 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Only the HT-X8500 supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the HT-X8500 received a rating of 8/10 versus 6/10, respectively.
App control is available for the SLM4R. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
Only the HT-X8500 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HT-X8500. For multichannel surround Sony HT-X8500 got a rating of 10, and LG SLM4R 5 out of 10.