Be ready when you're out on the boat with the Humminbird XNT 14 Transom Mount Dual Spectrum CHIRP Transducer. This transom mount transducer supports Dual Spectrum CHIRP 2D Sonar with a range of 150-220 kHz and a max depth of 1,200 feet. It is compatible with all APEX models and all SOLIX 10, 12, 15 models to the maximum capability of the transducer.