Furuno BBFF3 ETR-30N Marine 3kW High Power Network FishFinder Sounder
Best high-power sounder for serious deep-water sport fishing professionals.
The Furuno BBFF3 ETR-30N is a powerful network fishfinder sounder designed for serious anglers and marine professionals. It offers selectable output power of 1, 2, or 3 kW, making it ideal for deep-water fishing. This unit supports dual-frequency operation across five selectable frequencies, easily managed with Furuno's Free Synthesizer (FFS) Transceiver. With a maximum range of 3,600 feet and advanced display modes, it ensures reliable target identification. Seamlessly integrating into NavNet systems, this sounder provides comprehensive connectivity for your marine electronics setup.
$149.95
Owner Satisfaction
4.7
/ 5
Category Rank
4
/ 167
#4 in Fish Finders
Price vs Category Average
-85%
Below average
Output Power
123
/ , , or kW selectable
Who it's for
- Vessel owners building a fully integrated NavNet marine electronics suite
- Deep-sea anglers targeting pelagic species in extreme offshore depths
- Professional captains needing precise clarity in complex underwater environments
Who should skip it
- Budget-conscious boaters seeking an affordable entry-level sonar solution
- DIY enthusiasts lacking experience with complex marine network configurations
- Owners of smaller vessels with limited mounting space and weight capacity
Performance breakdown
Deep-water penetration
Three kilowatts of power cuts through extreme depths with ease.
Frequency versatility
Five selectable frequencies provide unmatched adaptability for varying marine conditions.
System integration
Ethernet connectivity ensures seamless communication within existing NavNet marine setups.
Target clarity
Advanced noise rejection delivers crisp, reliable imagery of underwater structures.
Operational range
The 3,600-foot range scale covers the needs of serious offshore professionals.
Ease of configuration
Free Synthesizer technology makes switching between frequencies quick and intuitive.
Key Specs
Output Power
1, 2, or 3 kW selectable
Operating Frequencies
Dual selection from 28, 38, 50, 88, or 200 kHz
Maximum Range Scale
3,600 feet
Maximum Range Offset
3,600 feet
Network Protocol
Ethernet 10Base-T
Signal Processing
Six levels of Signal Rejection Level & Noise Limiter
Model Number
BBFF3 (Part Number: ETR-30N)
Connectivity
Ethernet
Features
- High-power 3kW output for deep water
- Selectable dual frequencies for versatility
- Easy frequency switching with FFS
- A-Scope for instant fish detection
- User-friendly display modes
- Audible and visual alarms
- Automatic gain and depth settings
- NavNet network compatible
What customers say
Users consistently regard the BBFF3 as a top tier investment, primarily praising its exceptional reliability and superior deep water performance. The quality of the sounder returns is frequently described as unmatched, offering clear target separation even when moving quickly or facing difficult conditions. Although initial setup demands attention, the robust construction and dependable operation confirm this unit is essential for serious marine applications. This fish finder delivers professional grade results, solidifying its reputation as a highly valuable tool for anglers.
Know before you buy
The 3kW output provides the necessary signal strength to penetrate deep-water columns, making it ideal for offshore fishing where you need to reach depths up to 3,600 feet with high clarity.
Yes. Thanks to Furuno’s Free Synthesizer (FFS) technology, you can easily select and switch between dual frequencies from the 28, 38, 50, 88, or 200 kHz options to suit your specific target species and depth.
Yes, the BBFF3 is designed for seamless integration into NavNet systems via Ethernet, allowing you to share sonar data across your network displays.
While you can manually adjust settings, the unit features automatic gain and depth settings to simplify operation. It also includes six levels of signal rejection and a noise limiter to help clean up the display in challenging conditions.
A-Scope provides a real-time display of the echoes currently under your transducer. It is particularly useful for identifying fish targets that might be hidden or moving quickly near the bottom.
While it is engineered for deep-water performance, it is versatile enough for shallower depths. However, its high-power capabilities are best utilized by anglers who frequently fish in deep offshore environments.
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$150