Engineered for midsize fishing and cruising boats, the Garmin GT15M-THF stainless steel thru-hull CHIRP transducer delivers high-definition sonar with rugged saltwater durability. Its 12° tilted element and flush-mount design optimize coverage for crisp target detection at cruising depths.
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Through-hull stainless steel housing: Durable, corrosion-resistant construction that reduces drag while withstanding demanding saltwater conditions.
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12° Tilted Element: Optimized sonar coverage and improved target detection at typical cruising depths.
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600-Watt Midband CHIRP (85–165 kHz): Delivers precise structure definition and tight target separation for clear arches.
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Beamwidth: 16–24 degrees for flexible scanning and detailed imaging.
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Depth capability: Up to 1,200 ft in saltwater and 1,900 ft in freshwater.
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Plug-and-Play with Transducer ID Auto-Identification: Simple installation and automatic identification with Garmin systems.
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Hull materials compatibility: Configurable for fiberglass, composite, steel, aluminum, and wood hulls.
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What’s in the box: GT15M-THF 12° Tilted Element, Jam Nut, Thread isolator, Hull isolator, Documentation.
The transducer delivers crisp fish arches and clear structure definition, helping you distinguish small baitfish from larger game even in challenging underwater terrain. Its reduced-drag, flush-mount design supports smoother hull performance, while auto-identification and broad hull-material compatibility simplify setup on a wide range of vessels. Ideal for near-offshore fishing and cruising on midsize boats, the GT15M-THF offers reliable, high-definition sonar performance across saltwater and freshwater environments.
