Furuno LS4100 Fish Finder
$153.00
Furuno LS4100 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 a straightforward sounder for skippers who want clear bottom and target information without a multifunction display.
Overview Furuno LS4100 Fish Finder
Furuno LS4100 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 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.
- 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.
- Users who prefer a separate fishfinder screen instead of sharing sonar pages on a chartplotter.
Specifications
| Display Size | 5-inch Silver Bright Monochrome LCD |
| Resolution | 240 x 320 Pixels (High Contrast) |
| Frequency | Dual Frequency 50 kHz and 200 kHz |
| 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 LS4100 Fish Finder Display Unit
- Power Cable Assembly
- Mounting Bracket and Knobs
- Standard Installation Hardware
- Comprehensive Installation and Operation Documentation
Frequently Asked Questions About Furuno LS4100 Fish Finder
Who is Furuno LS4100 Fish Finder most suited to?
Furuno LS4100 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 suited to small fishing boats and coastal craft that want a dedicated sounder with straightforward controls.
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.
What connectivity does this display support at the helm?
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?
This model suits small fishing boats and coastal craft that want a dedicated sounder with straightforward controls. It also suits bottom reading over reefs, ledges, wrecks, and changing contours using 50/200 kHz sonar views.
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