Designed for midsize fishing and cruising boats, the Garmin GT12M Bronze Thru-Hull is a flush-mounted, 350-watt mid-band CHIRP transducer that clearly defines fish arches, structure, and bottom depth on your display.
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Transducer Type and Power: 8-pin, 350 W bronze thru-hull transducer delivering high-definition mid-band CHIRP sonar.
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Mid-band CHIRP Technology: Traditional CHIRP sonar for crisp targets and reliable bottom readings.
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Frequency Range: Broad 85–165 kHz medium frequency range for wide coverage and accurate depth readings.
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Beamwidth: 24°–16° transducer beamwidth for flexible coverage and detail.
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Maximum Depth: 800 ft saltwater / 1200 ft freshwater readings.
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Through-Hull Installation: Durable bronze housing and stem enable flush mounting with minimum drag and ideal beam orientation.
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Auto-ID Technology: Plug-and-play operation that automatically configures the sonar to the transducer.
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Hull Compatibility: Configurable for fiberglass, composite, and wood hulls; tilt versions available to accommodate deadrise angles of 0–20° without a fairing block.
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Cable Length: 50 ft cable for flexible installation.
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Depth/Temperature: Depth and temperature readings supported by the transducer.
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Deadrise/Transom Angles Supported: 0–20° (supports hull deadrise angles from 16° to 24° with appropriate setup).
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In the Box: GT12M-THF transducer along with jam nut, washer, and documentation.
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Part Number: 010-02867-02
This setup provides reliable depth information and clear target separation, helping you distinguish fish, structure, and bottom contours on screen. The flush bronze thru-hull design reduces drag, while Auto-ID technology makes installation straightforward. Compatible with fiberglass, composite, and wood hulls, and offering 0–20° deadrise support, it fits a wide range of midsize boats. Depth and temperature readings are supported up to 800 ft in saltwater and 1,200 ft in freshwater, broadening its utility for diverse conditions.
