Garmin GT12M-THF Bronze Thru-hull Medium CHIRP 20° Tilt Depth/Temp delivers professional-grade sonar performance for midsize fishing and cruising boats. This bronze thru-hull transducer is engineered for minimal drag and maximum sensitivity, helping you locate structure and targets with confidence on every trip.
Designed for reliability and easy installation, the GT12M-THF features a flush-mount bronze housing that blends with your hull and reduces turbulence for cleaner sonar returns. Its 350-watt midband CHIRP (85–165 kHz) provides crisp arches and sharp target separation, so you can distinguish baitfish from larger game with ease.
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Depth and Temp sensors provide real-time water temperature and depth readings for smarter fishing decisions.
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20° Tilt design optimizes sonar performance for the hull and typical depths, enhancing target definition.
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Beamwidth ranges from 16–24°, delivering broad coverage with focused detail to improve bottom and structure interpretation.
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Excellent sensitivity for clear structure definition and precise target separation, helping you identify schools and individual fish.
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Plug-and-play with transducer ID auto-identification for quick, hassle-free setup with Garmin systems.
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Hull compatibility configurable for fiberglass, composite, and wood hulls, ensuring versatility across vessels.
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Depth capability readings down to 800' in saltwater and 1,200' in freshwater.
What’s in the box: GT12M-THF, 20° Tilt, Jam Nut, Washer, Documentation.
