Furuno DFF3 Black Box Sounder
$1,439.00
Furuno DFF3 Black Box Sounder is a network sounder for NavNet systems with selectable 1 kW to 3 kW output, adjustable dual frequencies from 28 to 200 kHz, and deep-water capability.
Overview Furuno DFF3 Black Box Sounder
Furuno DFF3 Black Box Sounder is a high-power network sounder module for NavNet, NavNet vx2, and NavNet 3D systems. It is designed for deep-water fishing operations that need selectable 1 kW to 3 kW output and flexible dual-frequency control rather than fixed-frequency operation.
Furuno Free Synthesizer and Furuno Digital Filter technologies allow the installer to tailor the sounder around the transducer and target fishery. Ethernet networking also makes it practical for multi-display bridges where sonar data needs to be shared across the helm.
Key Features
- Selectable 1 kW to 3 kW output: Gives the system enough headroom for serious deep-water sounder use.
- Adjustable dual frequencies: The source data lists user-adjustable operation between 28 kHz and 200 kHz.
- FFS and FDF processing: Supports more flexible setup and cleaner target presentation than a basic fixed-frequency module.
- Deep-water range: Source information lists operation up to 3,000 meters / 10,000 feet.
- Networked bridge use: Ethernet connectivity allows sonar data to be shared around compatible NavNet systems.
Applications
Best suited to commercial fishing, deep-water sportfishing, and larger vessels that want a networked black-box sounder with more flexible frequency control and stronger depth reach.
Specifications
| Technology | FDF / FFS |
| Output Power | Selectable 1 kW, 2 kW, or 3 kW |
| Frequencies | Adjustable 28 kHz to 200 kHz |
| Max Range | Up to 3,000 meters / 10,000 feet |
| Compatibility | NavNet / NavNet vx2 / NavNet 3D |
| Interface | Ethernet (RJ45) |
| Compensation | Heave compensation with SC satellite compass |
| Power Requirements | 12 – 24 VDC |
What’s Included
- Furuno DFF3 Black Box Sounder Module
- Ethernet LAN Cable (5 Meters)
- Power Cable Assembly
- Installation Hardware Kit
- Comprehensive Installation and Operation Documentation
Frequently Asked Questions About Furuno DFF3 Black Box Sounder
What is Furuno DFF3 Black Box Sounder intended for?
Furuno DFF3 Black Box Sounder is a network sounder for NavNet systems with selectable 1 kW to 3 kW output, adjustable dual frequencies from 28 to 200 kHz, and deep-water capability. 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 selectable 1 kW to 3 kW output, adjustable dual frequencies from 28 to 200 kHz, and deep-water capability. 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 NavNet systems, 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 particularly relevant to offshore fishing and sportfishing setups where stronger sonar detail, faster data access, or a better-organized helm can support more efficient decision-making during long days on the water.
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