Choosing between a thru-hull transducer (top) and a transom-mount transducer (bottom) is a key decision for boating anglers. There are benefits and downsides to both. Courtesy Airmar A fish finder is ...

An in-hull (aka shoot-through) transducer mounts to the inside of the hull and transmits and receives sonar signals through fiberglass, eliminating the need for drilling holes in the hull. This also ...