The Yamaha SR-B20A vs Nakamichi Shockwafe Elite 7.2 eARC comparison shows that these models have some important differences and common features. The Yamaha SR-B20A was rated 3.8, while the Nakamichi Shockwafe Elite 7.2 eARC has a rating 6.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that SR-B20A has 2.1 and Shockwafe Elite 7.2 eARC has 7.2.4. These rivals can be compared in terms of power, 100 (overall) versus 1000 (overall) according to devices. A built-in subwoofer is available only in the Yamaha SR-B20A. Rate 5 out of 10 received the Yamaha SR-B20A for audio features and specs, but the Nakamichi Shockwafe Elite 7.2 eARC received 9 out of 10.
Soundbars do not have AirPlay support. The units in this comparison do not support Spotify.
Both models do not have a wireless Wi-Fi interface. Soundbars from this comparison have Bluetooth support. There are 0/1 HDMI inputs/outputs in the Yamaha SR-B20A versus 1/1 HDMIs in the Nakamichi Shockwafe Elite 7.2 eARC. As in the SR-B20A, so in the Shockwafe Elite 7.2 eARC there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the SR-B20A at 4 out of 10, while the Shockwafe Elite 7.2 eARC was rated 7/10.
None of these soundbars can be controlled using the app. Soundbars in this review are not equipped with a microphone. The models under consideration cannot become part of a multiroom system.
Dolby Atmos audio decoder is onboard the Shockwafe Elite 7.2 eARC. The Shockwafe Elite 7.2 eARC can work with surround sound due to DTS:X support. The SR-B20A was rated 6/10, while the Shockwafe Elite 7.2 eARC received a mark of 10/10 for multichannel surround.