Yamaha SR-C20A vs LG SLM4R comparison definitely makes sense. Based on our rating, SR-C20A has a total rating of 3.8 out of 10 versus 5.2 for SLM4R. The competitors' control buttons are different: power, source, demo, 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 Yamaha SR-C20A has 2.1 versus 4.1 for the LG SLM4R. The output power is different and equal to 100 (overall) W for the SR-C20A versus 420 (overall) W for the SLM4R. Only the Yamaha SR-C20A has a built-in subwoofer. The Yamaha SR-C20A got our rating of 5 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 SR-C20A supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the SR-C20A received a rating of 4/10 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.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Yamaha SR-C20A got a rating of 6, and LG SLM4R 5 out of 10.