Furuno DFF1-UHD Fishfinder
Best high-resolution sonar for serious offshore anglers seeking precise target clarity.
This black box system turns your existing display into a professional-grade sonar powerhouse. By leveraging advanced CHIRP technology, it offers incredible target separation and seafloor analysis that standard units simply can’t match. It’s a serious upgrade for anglers who prioritize precision over plug-and-play simplicity.
$1695.00
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Who it's for
- Anglers needing precise detail to separate fish from structure
- Offshore fishermen targeting species in deep, challenging waters
- Boat owners building a unified Furuno NavNet marine electronics system
Who should skip it
- Budget-conscious boaters seeking an affordable entry-level sonar solution
- Skippers without an existing compatible Furuno NavNet display system
- DIY boaters lacking experience with complex marine network installations
Performance breakdown
Target Separation
TruEcho CHIRP technology isolates individual fish with remarkable, high-definition precision.
Bottom Discrimination
Accurately identifies seafloor composition to help you locate prime fishing structures.
System Integration
Seamlessly bridges with NavNet and TZtouch displays for a unified cockpit.
Depth Performance
Delivers deep-water clarity that significantly outperforms standard conventional sonar units.
Fish Sizing Accuracy
Accu-Fish provides reliable size estimates to help you target specific catches.
Processing Speed
Digital Filter processing ensures real-time, lag-free updates while scanning the depths.
Key Specs
Frequency
Dual-frequency Broadband CHIRP 50 kHz and 200 kHz
Max Depth
1200 meters
Power Output
1000 Watts
Waterproof Rating
IP20
Operating Temperature
-15°C to 55°C
Power Supply
12-24 VDC
Transducer Type
Broadband CHIRP
Mounting Type
Black Box
Warranty
2 years
Height
254 mm
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