Sounder Black box

Advanced technology for both professional and enthusiast fishermen! Designed to operate across a wide range of frequencies, NavNet network Fish Finders deliver significant advantages in signal clarity and target definition. From mid- to high-powered dual frequency options, TruEcho CHIRP™, or our new 3D, Multi Beam Sonar Module, FURUNO network Fish Finders are capable of gathering more, higher quality data than ever before.