Engineered for reduced drag and optimum sonar performance on midsize fishing and cruising boats, the Garmin GT15M-THF 0 Degree 600W SS Thru-Hull Transducer is a flush-mounted powerhouse that delivers high-definition mid-band CHIRP sonar. It clearly defines fish arches, structure, and bottom depth on your display, helping you fish smarter and navigate confidently.
Key advantages
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Mid-band CHIRP sonar delivers high-definition targets and structures with clear separation, down to 1,200 ft in saltwater and 1,900 ft in freshwater.
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600 W power in a rugged stainless steel thru-hull housing for reliable performance in demanding conditions.
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Frequency range 85–165 kHz provides a broad, yet precise coverage area, producing crisp fish arches and accurate depth readings.
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Through-hull flush mounting minimizes drag while optimizing beam orientation for cleaner sonar returns.
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Auto-ID technology enables plug-and-play operation by automatically configuring the sonar to the transducer.
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Versatile hull compatibility configurable for fiberglass, composite, steel, aluminum, and wood hulls; available in tilt versions to accommodate deadrise angles from 0° up to 20° without a fairing block.
Specifications at a glance
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Transducer Type: Thru-hull, 0°
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Transducer Power: 600 W
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Transducer Frequency: Medium band CHIRP (85–165 kHz)
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Transducer Beam Width: 24°–16°
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Maximum Depth: 1,200 ft (saltwater); 1,900 ft (freshwater)
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Cable Length: 50 ft
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Pins: 8-pin
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Housing Material: Stainless steel
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Deadrise/Transom Angles: 0°–20° (supports a range of hulls with tilt options)
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In the Box: GT15M-THF transducer, jam nut, washer, thread isolator, hull isolator, documentation
