Polk Audio Signa S4 vs Nakamichi Shockwafe Elite 7.2 eARC
Polk Audio and Nakamichi
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Common
Product
Polk Audio Signa S4
Nakamichi Shockwafe Elite 7.2 eARC
Model
Signa S4
Shockwafe Elite 7.2 eARC
Brand
Polk Audio
Nakamichi
Reviews
0
0
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
has not
Audio features
Built-in channels
3.1.2
7.2.4
Amplification type
active
active
Output power, W
80 (overall)
1000 (overall)
Separate speaker (in package)
0
2
Separate speaker connections
has not
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
has not
Connectivity
WI-FI
Bluetooth
Ethernet (RJ45)
0
0
NFC
HDMI input/output
0/1
1/1
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
0/0
1/0
Analog audio input/output (RCA)
0/0
0/0
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 Plus, Dolby TrueHD
Dolby TrueHD, Dolby Digital, Dolby Digital Plus
DTS:X
DTS (other)
DTS HD
DTS-HD Master Audio, DTS-HD High Resolution Audio, DTS Digital Surround
User manual
Dimensions
Size (Wx H x D), cm/in
104.6x9.5x6/41.2x3.7x2.4
114.3 x 7.6 x 7.8/45.5 x 3 x 3.6
Weight, kg/pounds
2.9/6
2.7/6
Other
Release year
2021
2022
Soundbars CHooseratoR comparison rating
- 7.8Polk Audio Signa S4
- 6Nakamichi Shockwafe Elite 7.2 eARC
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