Nakamichi Shockwafe Ultra 9.2 eARC vs Samsung HW-A650 comparison definitely makes sense. Based on our rating, Shockwafe Ultra 9.2 eARC has a total rating of 6.6 out of 10 versus 5 for HW-A650.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Nakamichi Shockwafe Ultra 9.2 eARC has 9.2.4 versus 3.1 for the Samsung HW-A650. The output power is different and equal to 1300 (overall) W for the Shockwafe Ultra 9.2 eARC versus 430 (overall) W for the HW-A650. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Nakamichi Shockwafe Ultra 9.2 eARC got our rating of 10 out of 10, and the Samsung HW-A650 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. The Nakamichi Shockwafe Ultra 9.2 eARC has 3/1 HDMI inputs/outputs versus 1/1 of the Samsung HW-A650. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the Shockwafe Ultra 9.2 eARC received a rating of 9/10 versus 8/10, respectively.
Compared soundbars have no app control. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
Only the Shockwafe Ultra 9.2 eARC has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the Shockwafe Ultra 9.2 eARC. For multichannel surround Nakamichi Shockwafe Ultra 9.2 eARC got a rating of 10, and Samsung HW-A650 6 out of 10.