Sinister-SDX4 | Wet Sounds 4 Channel Marine Amplifier

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  • Regular price $2,393.00
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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 Patented 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. Sinister Series amps are on a whole new level above substandard car amps. These high-end marine amplifiers are designed to give you plenty of power while standing up to the harshest marine environment.


• Sinister amplifiers use superior performance circuitry by utilizing Wet Sounds exclusive class-D power supplies combined with Wet Sounds MAXED™ technology.

• Our innovative design results in less draw on your boat’s electrical system without sacrificing sound performance.

•Layered PCBs and advanced microprocessors give you a smart, compact amp that gets the job done without trouble or fuss.

• All units comes with remote leveler control, removable speaker plugs, high-level speaker input, and an LED-badged enclosure to make your amp look as good as it sounds.

• All Sinister Series amps are backed by the Wet Sounds 2-year limited warranty.


Stereo @ 4 Ohms 4 x 185 Watts @ 60A
Stereo @ 2 Ohms 4 x 340 Watts @ 123A
Mono @ 4 Ohms 2 x 685 Watts @ 122A
Input Sensitivity Low Level 0.2V - 6.1V
Crossover Range High and Low Pass 30Hz - 300Hz 12dB/Octave
S/N Ratio (A wtg) >90dB >113dB
Bass Boost 0-12.5dB @ 27Hz - 110Hz
15.6V Overvolt Protection True
Remote Level Range 0 db to -61 db
Full Range Class D Amplifier Output Power (RMS) @ 1% 1000Hz 14.4V CEA 2006
Channels 4
Frequency Response 3dB - 8 Hz - 35 kHz
Series Sinister