Wet Sounds
Sinister-SDX4 | Wet Sounds 4 Channel Marine Amplifier
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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.
Features:
• 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
- Express Delivery
- 14 Days Return

Delivery across Ukraine
Delivery
⁃ Delivery within the territory of Ukraine is carried out free of charge by the Nova Poshta delivery service.
⁃ For those who wish to pick up their order in person, a self-pickup service is provided.
⁃ To arrange express delivery or to engage an alternative delivery service - please contact our support service to correct the order data by writing to the e-mail address cityswell.shop@gmail.com
Delivery terms
The order is sent within 3-5 working days from the moment of receipt of payment to the company's current account
Special conditions: we accept individual orders
In the event that the product is not in stock or if an individual order is placed, please fill out the appropriate form on the page of the product you wish to order or contact us by writing to the e-mail address cityswell.shop@gmail.com.
Return Period
Customers have the right to request a return within 14 days of receiving the order, in accordance with applicable consumer protection laws.
To be eligible for a return, the item must be:
- unused
- in the same condition as received
- returned with all original components and packaging
- free from any damage caused by use
Once the returned item is received and inspected, we will notify you about the approval of your refund.
Refunds
If your return is approved, the refund will be processed to your original payment method.
The refund will include the price of the returned product. Processing time may vary depending on your payment provider.
Refunds will be issued in accordance with applicable consumer protection laws.
Return Shipping Costs
- If the return is due to a defective item, damaged product, or an error on our part, we will cover the return shipping costs.
- If the customer decides to return the item for personal reasons (for example: change of mind, no longer wanting the item, or similar reasons), the customer is responsible for the return shipping costs.
Exchanges
We replace items only if they are defective or damaged.
If you need to exchange an item for the same product, please contact us.
How to Request a Return
To request a return, please contact us through our website contact form or by email and provide:
- your order number
- the reason for the return
- photos of the item (if there is a defect)
We will respond with instructions on how to return the item.