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Wet Sounds Sinister Series SD4 Amplifier

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Class D 1350 Watt Full Range Amp

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The Sinister  amplifiers use superior performance circuitry by utilizing Wet Sounds exclusive Class D Power Supplies combined with Wet Sounds MAXED™ Power supply.  The MAXED power supply is a patent pending technology designed to provide high efficiency levels never thought to be achievable in a mobile audio amplifier.  What this means to you.  Less current draw, less strain on the electrical system, less generated heat.  All this results in more play time!   The Sinister amplifiers share one size full cast aluminum chassis for all models making installation a breeze and the ability to have a clean install.

Full Range Class D Amplifier


User Manual








Output Power (RMS) @ 1% 1000Hz 14.4V CEA 2006


Stereo @ 4 Ohms

4 x 185 Watts @ 60A

Stereo @ 2 Ohms

4 x 340 Watts @ 123A

Mono @ 4 Ohms

2 x 685 Watts @ 122A

Frequency Response

3dB - 8 Hz - 35 kHz

Crossover Range High and Low Pass

30Hz - 300Hz 12dB/Octave

Bass Boost

0-12.5dB @ 27Hz - 110Hz

S/N Ratio (A wtg)

>90dB >113dB


Input Sensitivity

Low Level 0.2V - 6.1V


Remote Level Range

0 db to -61 db


15.6V Overvolt Protection



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Wet Sounds Sinister Series SD4 Amplifier

Wet Sounds Sinister Series SD4 Amplifier

Class D 1350 Watt Full Range Amp

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