Nakamichi Shockwafe Ultra 9.2 vs VIZIO SB2821-D6 review

Votes 1 1
Rating 5 5

Nakamichi Shockwafe Ultra 9.2 vs VIZIO SB2821-D6 comparison chart

Overall
Nakamichi Shockwafe Ultra 9.2
8.2
VIZIO SB2821-D6
4.8
4
4

Nakamichi Shockwafe Ultra 9.2 vs VIZIO SB2821-D6 review

Nakamichi Shockwafe Ultra 9.2
vs
VIZIO SB2821-D6

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.

Audio features

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.

Streaming services

Soundbars do not have AirPlay support. The Shockwafe Ultra 9.2 can play audio from Spotify.

Connectivity

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.

Features

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.

Multichannel surround

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.

Advantages Nakamichi Shockwafe Ultra 9.2 over VIZIO SB2821-D6

  • Amazon Music compatible
  • Spotify support
  • Audio return channel (HDMI ARC) support
  • Compatible with Dolby Atmos
  • Compatible with DTS:X
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Common

Product

Nakamichi Shockwafe Ultra 9.2
VIZIO SB2821-D6

Model

Shockwafe Ultra 9.2
SB2821-D6

Brand

Nakamichi
VIZIO

Reviews

2241
2005

General

Placement type

table-top, wall-mountable
table-top, wall-mountable

Connection to source

wired, wireless
wired, wireless

Soundbar buttons

power, source, demo, volume down, volume up
power, input, Bluetooth, volume down, volume up

Audio features

Built-in channels

9.2.4
2.1

Amplification type

active
active

Output power, W

1000 (overall)

Separate speaker (in package)

4
0

Separate speaker connections

wired
wired, wireless

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

Separate subwoofer connections

wireless
wireless

Streaming services

Apple Music (AirPlay)

Amazon Music

Spotify

Other streaming services

Pandora, SoundCloud
TIDAL, VIZIO SmartCast, Chromecast

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

3/1
0/0

HDMI ARC

HDMI eARC

HDMI CEC

Optical digital input/output

1/0
1/0

USB

1 (USB 2.0)
1 (USB 2.0)

Coaxial digital input/output

1/0
1/0

Analog audio input/output (RCA)

1/0
1/0

Headphone output

0
0

Subwoofer output

0
0

Features

Voice control

App control

Microphone

Remote control

Multi-room

Multichannel surround

Dolby Atmos

Dolby (other)

Dolby Digital, Dolby Digital, Dolby TruHD
Dolby Digital

DTS:X

DTS (other)

DTS Digital Surround, DTS HD
DTS TruSurround

User manual

Manual

N/A

Dimensions

Size (Wx H x D), cm/in

114.3 x 7.6 x 7.6/45.5 x 3 x 3.5
28 x 3 x 3/71.1 x 7.6 x 7.6

Weight, kg/pounds

3.1/7.2
1.3/3.8

Other

Release year

2018
2016
Nakamichi Shockwafe Ultra 9.2
VIZIO SB2821-D6
Nakamichi Shockwafe Ultra 9.2
VIZIO SB2821-D6

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 8.2
  • 4.8
  • 8.2Nakamichi Shockwafe Ultra 9.2
  • 4.8VIZIO SB2821-D6