720101-1 9M SIDB Y 9-Pin Side Imaging Dual Beam Splitter Cable for Humminbird
9 M SIDB Y 9-Pin Side Imaging Dual Beam Splitter Cable. Functionality - The primary function of the 720101-1 Dual Beam Splitter Cable is to allow the use of two transducers on a single unit without the need for a transducer switch.