Fishfinder Transducers
You’ll find sensors, cables, and accessories for fish finders and chartplotters here. Our selection includes the most common accessories, cables, and transducers.

A transducer is a device that uses sound waves to detect objects underwater. It operates on the principle of sonar, where sound pulses are transmitted from the surface and the returning echoes from underwater objects are received and analyzed. With a transducer, you can measure water depth, identify bottom contours, and detect fish and other underwater objects.
A transducer typically consists of a transmitter and a receiver. The transmitter sends sound pulses into the water, which travel through the water column and bounce off objects. When the pulses hit something — such as the bottom or fish — they are reflected back, and the receiver picks up these echoes. The signals are then converted into visual images on the sonar display, showing the underwater environment and its features.
Transducers are widely used in boating and fishing applications. They help boaters measure depth and navigate safely, while anglers use them to locate fishing spots, identify fish schools, and improve their results.
Transducers are available with different features and frequencies, which affect their performance and accuracy in various conditions.