If you have already decided that you want to buy a new soundbar, but still don’t know what exactly you want, the Nakamichi Shockwafe Ultra 9.2 vs VIZIO SB2821-D6 comparison is here to offer you two decent solutions. The Nakamichi Shockwafe Ultra 9.2 was rated 8.2, while the VIZIO SB2821-D6 has a rating 4.8. The soundbars are equipped with a different number of buttons, power, source, demo, volume down, volume up for the Shockwafe Ultra 9.2 and power, input, Bluetooth, volume down, volume up for the SB2821-D6.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that Shockwafe Ultra 9.2 has 9.2.4 and SB2821-D6 has 2.1. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 10 out of 10 received the Nakamichi Shockwafe Ultra 9.2 for audio features and specs, but the VIZIO SB2821-D6 received 6 out of 10.
Soundbars do not have AirPlay support. The Shockwafe Ultra 9.2 can play audio from Spotify.
Both models do not have a wireless Wi-Fi interface. Soundbars from this comparison have Bluetooth support. The HDMI Audio Return Channel (ARC) is implemented only in the Shockwafe Ultra 9.2. Connecting devices via USB is possible in both models. We rated the connectivity of the Shockwafe Ultra 9.2 at 8 out of 10, while the SB2821-D6 was rated 4/10.
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 Ultra 9.2. The Shockwafe Ultra 9.2 can work with surround sound due to DTS:X support. The Shockwafe Ultra 9.2 was rated 10/10, while the SB2821-D6 received a mark of 5/10 for multichannel surround.