Samsung Q800B vs LG SLM4R comparison definitely makes sense. Based on our rating, Q800B has a total rating of 9.2 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 Samsung Q800B has 5.1.2 versus 4.1 for the LG SLM4R. The output power is different and equal to 360 (overall) W for the Q800B versus 420 (overall) W for the SLM4R. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Samsung Q800B 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 Q800B.
Only the Samsung Q800B can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the Q800B supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the Q800B 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 Q800B. Soundbars do not have Multi-room support.
Only the Q800B has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the Q800B. For multichannel surround Samsung Q800B got a rating of 10, and LG SLM4R 5 out of 10.