Furuno DFF3D Sonar Black Box
Best multi-beam sonar for serious anglers seeking detailed underwater structure mapping.
This module turns your existing display into a wide-angle searchlight, painting a 120-degree picture of the seabed in real time. It trades a steep learning curve for unmatched situational awareness, making it the ultimate tool for anglers who value precision over guesswork.
$2195.00
at
Sound Boatworks (ShopSoundBoatworks)
Who it's for
- Anglers needing precise seafloor and fish school visualization
- Captains scanning large areas for efficient search patterns
- Owners of existing Furuno NavNet systems seeking easy upgrades
Who should skip it
- Budget-conscious boaters seeking affordable sonar solutions
- DIY enthusiasts with limited space on smaller vessels
- Users relying on older or lower-powered display hardware
Performance breakdown
Wide-Area Coverage
The 120-degree beam provides an expansive view of the surrounding seafloor.
Depth Performance
Reliable imaging reaches depths sufficient for most coastal and offshore fishing.
Image Stability
Integrated motion sensors keep the display steady during choppy sea conditions.
Structural Detail
Multi-beam technology excels at identifying complex underwater terrain and fish schools.
System Integration
Seamlessly transforms existing NavNet displays into high-end sonar command centers.
Exploration Efficiency
Real-time side scanning drastically reduces time spent searching for productive spots.
Key Specs
Transmit Frequency
165 kHz
Output Power
800 watts RMS
Max Depth
1148 feet (350 meters)
Sonar Type
SideScan Imaging
Sonar Technology
Side Imaging
Beam Angle
20-50 degrees from right under
Number of Beams
Multi-Beam
Interface
1 port LAN (10/100base-TX)
Power Supply Voltage
12-24vDC
Current Draw
1.4/0.7 Amps
Know before you buy
Still have a question?
Ask Metto anything about the Furuno DFF3D Sonar Black Box before you decide.
