Tech Specs
In The Box
Four 8-gauge, self-tapping screws
3 mm hex key (for the top cover and power terminals)
2.5 mm hex key (for the speaker terminals)
Polishing cloth
Spare J1171 compliant 40 A blade-type fuses (not included with 24-Volt Signature Series 6 Channel 1500-Watt amplifier)
Spare J1171 compliant 20 A blade-type fuses (only included with 24-Volt Signature Series 6 Channel 1500-Watt amplifier)
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs
In The Box
Four 8-gauge, self-tapping screws
3 mm hex key (for the top cover and power terminals)
2.5 mm hex key (for the speaker terminals)
Polishing cloth
Spare J1171 compliant 40 A blade-type fuses (not included with 24-Volt Signature Series 6 Channel 1500-Watt amplifier)
Spare J1171 compliant 20 A blade-type fuses (only included with 24-Volt Signature Series 6 Channel 1500-Watt amplifier)
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Fusion Signature Series Monoblock 2250-Watt Marine Amplifier (010-01970-00)
Introduction
The Garmin Fusion Signature Series Monoblock 2250-Watt Marine Amplifier delivers subwoofer-focused power specifically engineered for saltwater environments where standard automotive amplifiers fail. This Class-D monoblock connects directly to your boat's subwoofer, transforming your marine audio system with deep, controlled bass that maintains clarity across high power loads while consuming 30% less battery power than traditional Class-AB designs.
Key Features
- 2250-watt monoblock output at 1-ohm impedance for maximum subwoofer power delivery
- Class-D amplifier technology reduces battery drain by 30% compared to Class-AB amplifiers
- 85% overall efficiency rating minimizes energy consumption while maximizing audio output
- Conformal coated printed circuit boards protect against salt spray, moisture, and UV degradation
- Rigid aluminum alloy heat sink with precision molding dissipates heat under continuous high-power operation
- Variable bass boost, subsonic filter, and adjustable low-pass crossover (20-200 Hz) for sound customization
- 1-ohm impedance configuration unlocks full subwoofer potential without external impedance matching
- True-Marine design standards tested for salt resistance, temperature extremes, vibration durability, and UV exposure
Data Insights
The amplifier's 85% efficiency rating significantly outperforms traditional designs, translating to extended battery runtime on overnight cruises and weekend trips without compromising power output. Its 1-ohm impedance capability allows unrestricted access to the full 2250-watt reserve, critical for competitive marine audio installations. The 30% battery drain reduction versus Class-AB amplifiers means roughly 26-30 additional hours of operation per charge cycle on typical marine battery banks.
Usage Instructions
Install the amplifier in a well-ventilated engine compartment or locker away from standing water and bilge spray. Run power and ground cables through appropriate marine-grade conduit, then connect RCA signal cables from your Garmin marine head unit directly to the amplifier's input. Use the stainless steel control panel to adjust bass boost level (0-12 dB range), set subsonic filter frequency (30-100 Hz), and calibrate the low-pass crossover between 20-200 Hz. Verify cable connections quarterly, especially after salt-water exposure, to maintain consistent performance.
Design & Material
The amplifier features a compact recessed design with a beveled aluminum frame and stainless steel mirror-finish control panel cover that protects RCA connections while resisting saltwater corrosion. Its footprint measures approximately 14 inches wide, allowing installation in tight compartments without sacrificing thermal performance.
- Rigid cast aluminum alloy heat sink with integral fin design for sustained thermal management during extended operation
- Conformal coated PCBs provide multi-layer protection against salt, moisture, humidity, and UV light penetration
- Stainless steel mirror-finish control panel resists corrosion and maintains appearance in harsh marine conditions
- Black rubberized side handles enable secure mounting and vibration isolation in moving vessels
- Compact monoblock form factor fits standard marine amplifier mounting locations without modification
- All connections use corrosion-resistant hardware and marine-grade terminals rated for saltwater exposure
Final Verdict
The Garmin Fusion Signature Series Monoblock 2250-Watt Marine Amplifier (010-01970-00) delivers engineered power for boaters who demand reliability in harsh saltwater conditions. With industry-leading efficiency, true 1-ohm capability, and conformal coating throughout its circuitry, this amplifier provides the bass clarity and durability required for serious marine audio without the compromise of frequent replacement. Backed by a three-year warranty, it represents a proven investment for vessels ranging from center consoles to sport yachts.





Garmin Warranty