Humminbird Transducer Switch - 7200121

Transducer Switch connects two transducers to one fishfinder

Transducer Switch which allows you to use two transducers on one depth sounder

For Use With: All Matrix (except Matrix 47 3D), 700 Series, 500 Series, 300 Series,100 Series, 900 Series (except 947c & 967c), Wide Series (except One,100,128, 3D View, 3D Vision, 3D Vista) 300TX, 400TX, all Piranha, all PiranhaMax and HDR610.