Nakamichi Shockwafe Pro 7.1 eARC vs LG SLM4R comparison definitely makes sense. Based on our rating, Shockwafe Pro 7.1 eARC has a total rating of 5.8 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 Nakamichi Shockwafe Pro 7.1 eARC has 7.1.4 versus 4.1 for the LG SLM4R. The output power is different and equal to 850 (overall) W for the Shockwafe Pro 7.1 eARC versus 420 (overall) W for the SLM4R. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Nakamichi Shockwafe Pro 7.1 eARC got our rating of 8 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 Shockwafe Pro 7.1 eARC supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the Shockwafe Pro 7.1 eARC received a rating of 7/10 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 Shockwafe Pro 7.1 eARC has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the Shockwafe Pro 7.1 eARC. For multichannel surround Nakamichi Shockwafe Pro 7.1 eARC got a rating of 10, and LG SLM4R 5 out of 10.