Furuno LS4100TH Fish Finder
$252.00
Furuno LS4100TH Fish Finder is a dedicated fish finder with a 5-inch Silver Bright Monochrome LCD, Dual Frequency 50 kHz and 200 kHz, and 300W RMS (2,400W Peak-to-Peak). This version includes bronze thru-hull (included) for a ready-to-install package.
Overview Furuno LS4100TH Fish Finder
Furuno LS4100TH Fish Finder is a dedicated marine fish finder for skippers who want clear bottom and target information without moving sonar to a multifunction display. It combines 5-inch Silver Bright Monochrome LCD with Dual Frequency 50 kHz and 200 kHz and 300W RMS (2,400W Peak-to-Peak).
This model suits smaller fishing boats and coastal craft that need straightforward sonar control, readable returns, and dependable depth tracking. Source data includes Bronze Thru-Hull (Included); Up to 3,000 Feet; 12 User Waypoints (Mini Navigator).
Key Features
- Dedicated fishfinder display: 5-inch Silver Bright Monochrome LCD focuses the screen on sonar returns without the clutter of a multifunction interface.
- Dual-frequency operation: Dual Frequency 50 kHz and 200 kHz gives a choice between broader deep-water coverage and finer shallow-water detail.
- Sonar output: 300W RMS (2,400W Peak-to-Peak) supports bottom tracking and target detection for coastal and deeper fishing use.
- Included thru-hull transducer: Bronze Thru-Hull (Included) makes this version suitable for skippers planning a permanent installation.
- Depth range: Up to 3,000 Feet is useful when moving between inshore structure and deeper water.
- Basic navigation support: 12 User Waypoints (Mini Navigator) allows the sounder to keep a small set of marks for repeat spots.
Applications
- Small fishing boats and coastal craft that want a dedicated sounder with straightforward controls.
- Bottom reading over reefs, ledges, wrecks, and changing contours using 50/200 kHz sonar views.
- Installations where a bronze thru-hull transducer is preferred for a permanent sonar setup.
Specifications
| Display Size | 5-inch Silver Bright Monochrome LCD |
| Resolution | 240 x 320 Pixels (High Contrast) |
| Frequency | Dual Frequency 50 kHz and 200 kHz |
| Transducer | Bronze Thru-Hull (Included) |
| Output Power | 300W RMS (2,400W Peak-to-Peak) |
| Max Depth Scale | Up to 3,000 Feet |
| Interface | NMEA 0183 (1x Bi-directional, 1x Listen-only) |
| Waypoints | 12 User Waypoints (Mini Navigator) |
| Waterproof Rating | IPX5 Professional Marine Standards |
| Power Requirements | 12 VDC (6 Watts) |
What’s Included
- Furuno LS4100TH Fish Finder Display Unit
- Bronze Thru-Hull Transducer (Depth/Temp)
- Power Cable Assembly
- Mounting Bracket and Knobs
- Standard Installation Hardware
- Comprehensive Installation and Operation Documentation
Frequently Asked Questions About Furuno LS4100TH Fish Finder
What kind of onboard use is Furuno LS4100TH Fish Finder built for?
Furuno LS4100TH Fish Finder is a dedicated fish finder with a 5-inch Silver Bright Monochrome LCD, Dual Frequency 50 kHz and 200 kHz, and 300W RMS (2,400W Peak-to-Peak). It is aimed at a permanent sonar setup where dependable sonar presentation and bottom tracking are important.
What sonar feature stands out on this unit?
This unit centers on dual-frequency 50/200 kHz operation for balancing shallow detail and deeper coverage. The result is a focused sonar display for bottom detail, fish marks, and underwater structure rather than a screen built around unrelated multifunction features.
Can this product integrate with a broader marine electronics setup?
It lists NMEA 0183 support, which helps this unit fit into a broader onboard electronics arrangement. That is useful when the sonar display is only one part of the helm setup.
How does this model fit into real onboard fishing use?
The listed Transducer Bronze Thru-Hull (Included) means the sonar source is already defined in the product data, which clarifies the included package. It also shows what transducer or sensor type is supplied with the display.
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