Allows you to use two transducers on one unit without the use of a transducer switch. For use with Side Imaging products only, in conjunction with a dual beam transducer only. Supports MEGA side imaging. For use with: HELIX 15, HELIX 12, HELIX 10, HELIX 9, HELIX 8, HELIX 7, HELIX 5. Cable length 30″. 9 M SIDB Y.
