Klipsch Cinema 400 vs LG SLM4R comparison definitely makes sense. Based on our rating, Cinema 400 has a total rating of 4.6 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 Klipsch Cinema 400 has 2.1 versus 4.1 for the LG SLM4R. The output power is different and equal to 400 (overall) W for the Cinema 400 versus 420 (overall) W for the SLM4R. Competitors do not have a built-in subwoofer. The Cinema 400 has a wired connection to separate subwoofer, and the SLM4R - wireless. The Klipsch Cinema 400 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 Cinema 400 supports HDMI Audio Return Channel (ARC). For connectivity, the Cinema 400 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.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Klipsch Cinema 400 got a rating of 6, and LG SLM4R 5 out of 10.