Transducer Types

Before you can select the best mounting location for a transducer, you must identify its type.

TIP: When choosing a transducer, you should check the transducer model for compatibility with your boat.

Transducer types with callouts

Item

Transducer Type

Description

1

Transom mount (TM)

Mounts on the exterior of the transom at the stern of the boat.

See Transom-Mount Transducers.

2

Thru-hull single (TH) or thru-hull pair (THP)

Mounts in a hole through the hull.

See Placement Considerations for Thru-Hull Transducers.

3

In-hull (IH)

Attaches on the interior hull of the boat.

See In-Hull Transducers.

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September 2026