Furuno DFF1-UHD CHIRP Fish Finder Module
$915.00
Furuno DFF1-UHD CHIRP Fish Finder Module adds 1 kW broadband CHIRP sonar, Accu-Fish, and bottom discrimination to compatible Furuno NavNet displays.
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Overview Furuno DFF1-UHD CHIRP Fish Finder Module
Furuno DFF1-UHD CHIRP Fish Finder Module is a black-box 1 kW sonar module built for compatible Furuno NavNet 3D and TZtouch display systems. It uses TruEcho CHIRP processing to deliver better fish separation and more detailed bottom information than a basic single-frequency sounder.
The module is intended for boats that already rely on Furuno multifunction displays but want stronger dedicated fishfinding capability. Its black-box design keeps the helm clean while pushing sonar processing into a protected equipment space.
Key Features
- 1 kW CHIRP sonar module: Provides dedicated fishfinding power to compatible Furuno display systems.
- Broadband frequency sweep: The source description states a 90-frequency sweep around 50 kHz and 200 kHz ranges.
- Accu-Fish and bottom discrimination: Adds analysis tools that help interpret fish size and seabed composition.
- Designed for NavNet integration: Built to work with compatible NavNet 3D and TZtouch multifunction displays.
- Remote black-box format: Useful when space at the console is limited but network sonar is still required.
Applications
Well suited to offshore and coastal fishing boats that already run Furuno multifunction displays and want a cleaner, more capable network fishfinder at the helm.
Specifications
| Technology | TruEcho CHIRP (broadband) |
| Output Power | 1 kW |
| Frequencies | 50 kHz ± 20 kHz / 200 kHz ± 25 kHz (90 frequencies) |
| Advanced Features | Bottom discrimination, Accu-Fish |
| Compatibility | NavNet 3D / TZtouch MFD systems |
| Interface | Ethernet network connection |
| Waterproof Rating | IP22 module |
| Power Requirements | 12 – 24 VDC |
What’s Included
- Furuno DFF1-UHD TruEcho CHIRP Black Box Sonar Module
- LAN Cable (5 Meters)
- Power Cable Assembly
- Installation Hardware Kit
- Comprehensive Installation and Operation Documentation
Frequently Asked Questions About Furuno DFF1-UHD CHIRP Fish Finder Module
What is Furuno DFF1-UHD CHIRP Fish Finder Module intended for?
Furuno DFF1-UHD CHIRP Fish Finder Module adds 1 kW broadband CHIRP sonar, Accu-Fish, and bottom discrimination to compatible Furuno NavNet displays. It is described as dedicated sonar or fishfinding hardware that delivers its data through an existing monitor or multifunction display setup.
What sounder or fishfinding features are highlighted here?
The listed product details include TruEcho CHIRP processing to deliver better fish separation and more detailed bottom information than a basic single-frequency sounder. Those details matter when the operator needs sonar performance matched more closely to target depth, seabed conditions, or fishing style.
How does this product work within a larger marine electronics system?
The supplied information mentions compatible Furuno NavNet displays, showing that this unit is meant to send sonar functions into a compatible display network instead of relying on a separate standalone screen at the helm.
What type of operation is this unit suited to?
It is well suited to offshore fishing use where better underwater detail, stronger system control, or a more organized helm layout can make searching, running, and monitoring easier through the day.

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