Fusion® Signature Series Marine Amplifiers Signature Series Monoblock 2250-Watt Marine Amplifier (SG-DA12250)

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FusionSKU: SGDA12250

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Purpose-built for the marine environment, the Signature Series marine amplifiers feature some of the most impressive protection from the environment available — delivering a Signature performance out on the water.

SG-DA12250 Overview

The Fusion Signature Series marine amplifiers are purpose-built for the marine environment. Boasting some of the most impressive environmental protection available, they deliver a Signature performance on the water like never before.

Introducing one of our most stunning and efficient marine amplifiers, the SG-DA12250. Its True-Marine design will resist corrosion, and the incredible 2250 Watt peak power is configurable for 1 Ohm impedance - delivering enough power to bring your Signature Series subwoofer components to life.

The SG-DA12250 has a highly efficient monoblock Class-D amplifier design. The key benefit of a Class-D amplifier is that it has a low battery drain with high output, making this the perfect amplifier for the marine environment. The SG-DA12250 also has conformal coated PCBs for maximum product life and performance, plus the amplifier chassis is a heat sink, to reduce component core temperature and increase efficiency.

Undeniably a stand-out piece, the stunning stainless steel mirror control panel cover conceals and protects all cable connections and setting controls, with an attractive finish to complement any installation.

This product is rated True-Marine and carries a 3-year limited consumer warranty.


Class-D Amplifier Technology - The highly efficient Class-D design provides 2250-Watts peak power whilst drawing less current than a standard Class-AB amplifier. This design provides increased efficiency and power output to your speakers, letting you enjoy your music for longer.

2250 Watt peak power – Bring your music to life with 2250 Watts peak power.

Marine-Ready Design with Conformal Coated PCBs - Extending the life of your amplifiers, the Signature Series are designed specifically for marine use with conformal coated PCBs to provide extra protection from the marine elements.

Rigid Aluminum Alloy Heat Sink - Molded to form a singular die-cast chassis, the fin layout is calculated with precision to increase the surface area of the heat sink and improve heat dissipation.

Stainless Mirror Finish - The polished stainless-steel control panel cover conceals and protects all cable connections and settings controls whilst providing an attractive finish to complement any installation.

Zone Designation - To align with the Fusion entertainment system zone philosophy, the input and output connections are labelled as zones.

True-Marine Design - Signature Series amplifiers are perfect for the marine environment, and carry a 3-year warranty.

The True-Marine Standard

As a True-Marine product, the Signature Series marine amplifiers are designed and engineered for the harsh marine environment. Once a product has been subject to rigorous environmental testing and passed our stringent True-Marine approval process, it is recognized with an industry-leading 3 year consumer warranty.

Class-D Amplifier Technology

Our most efficient, stunning and powerful amplifier series features Class-D Technology. The highly efficient 2250 Watt monoblock amplifier design ensures lower battery drain with a higher output in comparison with Class-AB amplifiers. This delivers increased power to the connected speakers and/or subwoofers, extending your audio entertainment experience to a whole new level.

Product Specifications

Amplifier Class Class-D
Subwoofer Frequency Response 10Hz - 320Hz
Peak Power 2250 Watts
Rated Power (4 Ohms) 500 Watts RMS x 1 @ 14.4V - 4 Ohms 1% THD
Rated Power (2 Ohms) 850 Watts RMS x 1 @ 14.4V - 2 Ohms 1% THD
Rated Power (1 Ohm) 1100 Watts RMS x 1 @ 14.4V - 1 Ohm 1% THD


Mounting Dimensions

Length 300mm [11-13/16”]
Depth 210mm [8-1/4”]
Height 50mm [2”]

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