Summary of Humminbird Sonar Technology

You want a fish finder for one simple reason: to see what’s going on under your boat, and Humminbird sonar technology gives you the best look possible. Whether you’re fishing with a Humminbird Single Beam or sophisticated Advanced 3D or Side Imaging Sonar, Humminbird fishfinders give you the clearest, most accurate picture possible of fish, the bottom and structure.

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Single Beam Sonar
Humminbird Single Beam Sonar gives you a precision, 20˚ downlooking sonar beam optimized for the best look at the bottom and structure. Because it’s more focused than wider beams, you’ll be able to penetrate to incredible depths, as well as see better definition and less dead zone than wider beams.

Dual Beam Sonar
Humminbird Dual Beam Sonar gives you the great bottom and structure definition of the single beam, as well as a second, wider 60˚ beam that’s looking specifically for fish. It even tells you which sonar beam the fish are in…the display shows fish in the narrow beam as solid, and fish in the wide beam as an outline.

DualBeam PLUS Sonar
A Humminbird exclusive, DualBeam PLUS® is the best of both worlds, on one easy to understand display. View the information from your bottom-looking beam and the fishfinding beams separately, together, or even overlaid onto one screen, for the best picture of fish, bottom and structure available. DualBeam PLUS is also more sensitive, revealing additional information from your fishfinding beam, as well as delivering greater depth capability and wider coverage!


TriBeam Sonar
Humminbird TriBeam technology provides 90º wide coverage and directional capability to pinpoint suspended fish to left, right or directly underneath the boat. The precision narrow beam provides bottom and structure detail and the two side beams look for fish and provide the ability to distinguish whether fish are directly below, to the left or to the right of the boat.

QuadraBeam PLUS Sonar
For a full, 90˚ uninterrupted coverage of fish, bottom and structure, turn to Humminbird QuadraBeam PLUS Sonar. It uses two fan-shaped, 35˚ side- and down-looking sonar beams, a precision down-looking 20˚ beam and a wide, fish-seeking 60˚ sonar beam to help you pinpoint fish and structure. QuadraBeam PLUS Sonar can even tell where to cast, by showing if fish are to the left, right or directly beneath your boat!

Wide Side
If you spend your time fishing along banks, the shallows, under docks or around pilings, Humminbird Wide Side™ Technology was tailor-made for you. Its two conical 16˚ beams look to the left and right of your boat, finding fish and structure near the surface out to 160 feet! Its down-looking 24˚ beam constantly measures depth, as well as revealing fish and structure directly below.

3D PLUS
Humminbird Advanced 3D Sonar uses a unique array of six sonar beams to show you an incredibly detailed, real-time, three dimensional view of contours, drop-offs and other features of the bottom you simply can’t see with traditional sonar. You can even view the 3D image and 2D sonar side-by-side for complete understanding of your favorite hot spots!

Side Imaging Sonar
Another Humminbird first, Side Imaging Sonar will literally change the way you look at sonar. It shows you a true, picture-like view of the bottom, structure and fish on one or both sides of your boat, in real-time. And you can quickly change screens to view your traditional 2D sonar, or both at one time, mark the GPS location of structure you see onscreen, and more. You won’t find this technology anywhere but Humminbird.

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