An affordable soundbar is always a good option to consider, so Yamaha SR-B20A vs Nakamichi Shockwafe Ultra 9.2 eARC comparison definitely makes sense. Based on our rating, SR-B20A has a total rating of 3.8 out of 10 versus 6.6 for Shockwafe Ultra 9.2 eARC.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Yamaha SR-B20A has 2.1 versus 9.2.4 for the Nakamichi Shockwafe Ultra 9.2 eARC. The output power is different and equal to 100 (overall) W for the SR-B20A versus 1300 (overall) W for the Shockwafe Ultra 9.2 eARC. Only the Yamaha SR-B20A has a built-in subwoofer. The Yamaha SR-B20A got our rating of 5 out of 10, and the Nakamichi Shockwafe Ultra 9.2 eARC 10 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 Yamaha SR-B20A has 0/1 HDMI inputs/outputs versus 3/1 of the Nakamichi Shockwafe Ultra 9.2 eARC. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the SR-B20A received a rating of 4/10 versus 9/10, 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 Yamaha SR-B20A got a rating of 6, and Nakamichi Shockwafe Ultra 9.2 eARC 10 out of 10.