XSONIC SS75M 20deg Tilted Element TH Transducer - 600W - Stainless SteelThe SS75M is a Stainless Steel, thru-hull, tilted, medium-frequency (80-130kHz), depth and temperature transducer. The ceramic element is tilted for built-in deadrise compensation, giving excellent echo returns for more accurate depth readings.Medium Frequency: CHIRP range is 80kHz-130kHz for good target detail in shallow water and excellent bottom tracking in deep water.The 20deg tilt is ideal for boats with a 16deg to 24deg hull deadrise.