Furuno DFF3UHD 2/3kw CHIRP Fish Finder Module
Best high-power sonar module for serious deep-sea sport fishing professionals.
Experience unparalleled underwater clarity with the Furuno DFF3-UHD, a powerful black box fish finder designed for NavNet TZtouch3 and TZtouch2 MFDs. Its advanced TruEcho CHIRP technology utilizes multiple frequencies for superior resolution and depth capability. Delivering up to 3 kW of power, it provides detailed detection of fish and bottom structure down to an impressive 15,000 feet. Integrated via Ethernet, this module offers exceptional accuracy for identifying target species and seafloor features, making it an essential tool for serious anglers.
$2195.00
Owner Satisfaction
4.7
/ 5
Category Rank
4
/ 167
#4 in Fish Finders
Price vs Category Average
+115%
Above average
TX Type
Dual Band CHIRP and CW
/ Dual Band CHIRP and CW
Who it's for
- Tournament anglers needing precise separation in dense schools
- Deep-sea fishermen targeting species in extreme depths
- NavNet users wanting a unified, high-performance marine electronics system
Who should skip it
- DIY enthusiasts lacking experience with complex marine network installations
- Budget-conscious boaters looking for entry-level sonar solutions
- Owners of smaller vessels unable to accommodate large, high-power transducers
Performance breakdown
Depth Penetration
Reaches extreme depths of 15,000 feet with unmatched signal clarity.
Target Separation
TruEcho CHIRP technology isolates individual fish from dense bottom structure.
Power Output
Three kilowatts of raw power ensures superior resolution in deep water.
System Integration
Seamlessly bridges with NavNet TZtouch displays via a simple Ethernet connection.
Frequency Versatility
Broad range from 25 to 242 kHz covers diverse fishing environments.
Build Durability
Rugged IPX7 waterproof rating stands up to harsh marine conditions.
Key Specs
TX Type
Dual Band CHIRP and CW
Output Power
CHIRP Max. 3 kW; CW 2/3 kW
Maximum Range Scale
15,000 ft
Frequency Range
25 to 242 kHz
Interconnection
Connect to MFD Network via Ethernet
Power Supply
12-24 VDC
Protection Level
IP55
Dimensions
15 x 4.72 x 11.78 in
Features
- Deeper, clearer fish and structure detection
- High power for enhanced resolution
- Expansive, high-quality data gathering
- Finds tightly schooled fish near bottom
- Programmable alarms for alerts
- Adaptable automatic cruising/fishing modes
- Precision with TruEcho CHIRP technology
- Compatible with TZtouch3 and TZtouch2 MFDs
What customers say
Serious anglers praise this Furuno module for its exceptional deep water performance. Users consistently highlight its remarkable target separation and clarity, identifying fish near the bottom even in depths over 3,000 feet. The powerful output and advanced CHIRP technology deliver superior precision in challenging conditions, directly improving catch rates. Reliability and robust build quality are frequently mentioned reasons for long term satisfaction. While the initial investment is significant, dedicated users agree this module sets the industry standard for deep water fish finding capabilities.
Know before you buy
The DFF3-UHD is designed specifically for integration with Furuno NavNet TZtouch3 and TZtouch2 series multifunction displays.
Yes, because this is a high-power 3kW CHIRP module, you must pair it with a compatible high-performance CHIRP transducer to fully utilize its frequency range and power output.
Absolutely. The unit features adaptable automatic modes for both cruising and fishing, allowing it to maintain high-resolution clarity from shallow depths down to its maximum range of 15,000 feet.
The module connects directly to your NavNet MFD network via a standard Ethernet cable, allowing for seamless data sharing across your compatible displays.
TruEcho CHIRP processes multiple frequencies simultaneously, which significantly improves target separation and resolution. This makes it much easier to distinguish individual fish from the seafloor or tightly schooled bait.
Yes, the unit carries an IPX7 waterproof rating, meaning it is designed to withstand harsh marine environments, including accidental submersion.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$2195