XNT 9 DI T. This accessory is compatible with the following Humminbird products For further information on other compatibilities see Humminbird website. 200/455 Transom. Transom Mount, Down Imaging/DualBeam Plus, 75°/45°, 455/800 kHz (DI) and 25°/16°, 200/455 kHz, with built-in temperature.
eBay