Wet Sounds Sinister SDX2500 Monoblock Subwoofer Amplifier

Wet Sounds Sinister SDX2500 Monoblock Subwoofer Amplifier
Wet Sounds Sinister SDX2500 Monoblock Subwoofer Amplifier
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Item: S52689

The Wet Sounds Sinister SDX2500 Class D Mono Block Subwoofer Amplifier is the most powerful amplifier Wet Sounds has ever built.

The Sinister SDX2500 is Wet Sounds' flagship amplifier employing Class D technology plus the Wet Sounds exclusive MAXED Power Supply, the Sinister-SDX 2500 achieves an efficiency rating of over 87% - one of the highest available in a marine amplifier. This means more power, less current drain, less strain on the electrical system, less generated heat. All resulting in more playing time!

The Sinister-SDX 2500 uses the same intelligent microprocessor-controlled protection circuitry used on all Sinister SDX amplifiers for overvoltage/undervoltage protection, DC offset & speaker short protection, as well as thermal rollback to ensure consistent play in the harsh marine environment. The protection circuitry is displayed on the backlit Wet Sounds shield logo. Please refer to the user’s manual for details about the protection circuitry.

As further protection against use in the harsh marine environment, the SDX2500 includes a sealed chassis for the top-mounted controls, and a four-layer conformal coated PC Board.

Wet Sounds SYN-DX2500 Monoblock Amplifier Features:

  • Superior performance circuitry with class-D power supplies
  • Extreme power output packed inside a small chassis
  • Thermal overload protection
  • Flexible crossovers
  • Extended inputs
  • A smart microprocessor and conformal coated PCB board, meaning reliable power and great control
  • Backed by Wet Sounds’ 2-year limited warranty to protect your investment

Wet Sounds SYN-DX2500 Monoblock Amplifier Specifications:

  • Mono @ 4 Ohms: 1000W x 1 @ < 1% THD
  • Mono @ 2 Ohms: 1700W x 1 @ < 1% THD
  • Mono @ 1 Ohms: 2500W x1 @ < 1% THD
  • Input Sensitivity: 0.2V - 6.0 V
  • Crossover Range Low Pass: 50Hz – 150Hz 12dB/Octave
  • Crossover Range Subsonic Filter: 10Hz – 50Hz 12dB/Octave
  • Output Power (RMS): @ 1% 100Hz 14.4V CEA 2006
  • Bass Boost: 0 - 12dB Variable 30Hz – 125Hz
  • Fusing: 6 x 40A ATC fuses
  • Power Ground Input: 1/0 AWG wire capable
  • Channels: Monoblock
  • Chassis Size: 22.125” x 10.25” x 3”
  • Frequency Response: 10Hz – 150Hz
  • Series: Sinister
2 Years
Manufacturer Part Number


This product can expose you to chemicals including DINP (Diisononyl phthalate) and DIDP (Diisodecyl phthalate) which are known to the State of California to cause cancer. For more information go to https://www.p65warnings.ca.gov.

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If you have any questions about our price match policy, or if you would like us to match a price for you, simply contact us.

Note We have the right to refuse price matching at any time for any reason. In order to qualify for price matching, the item must be identical make, model, year, and part number, and must be in stock. Price matching excludes sale items and previously purchased products.

365 Day Returns

365 Day Returns Your satisfaction is our biggest priority, which is why we gladly accept returns on any new product for up to 365 days from the date your order ships. Refunds will be issued to the original payment method for up to 30 days from the original ship date. Returns on orders older than 30 days up to 365 days will be processed as store credit that can be applied to a future order.

For the full details of our 365 Return Policy, including any restrictions or exclusions, please visit the Returns & Exchanges section on Customer Service page.

Expert Advice

Our product experts bring over 40+ years of real-world experience and knowledge of the boating industry. They really know the gear, because they spend their free time out on the water with friends and family testing the products out.

Product Expert Phone Hours 9am - 5pm (PST) Monday - Friday

Product Expert Email We respond to most emails within 24-48 hours.

Looking for specific installation guides or instructional videos? Check out our Resource Section for detailed information.

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