Garmin GT12M Bronze Thru-Hull - 350W - 20 Degree

The GT12M Bronze Thru-Hull 350W transducer is engineered for anglers and boaters seeking superior sonar performance and minimal drag. Perfectly suited for midsize fishing and cruising vessels, this flush-mounted transducer delivers clear, high-definition sonar images to enhance your marine experience.

Premium Midband CHIRP Sonar

Experience unparalleled clarity with the GT12M's high-definition midband CHIRP sonar technology. Operating within the 85–165 kHz range, this 350-watt transducer provides detailed fish arches, structural outlines, and accurate depth readings, extending visibility up to 800 feet in saltwater and 1,200 feet in freshwater.

Wide Frequency Coverage

Adapt to various fishing environments with the transducer's broad frequency range. The medium band CHIRP pulses ensure a wide coverage area, delivering crisp and precise sonar returns that help you locate fish and navigate underwater structures with ease.

Enhanced Ping Sensitivity

Benefit from excellent sonar sensitivity and high resolution, allowing for clear separation of targets. The GT12M transducer minimizes noise and maximizes detail, making it easier to distinguish between fish, vegetation, and the seafloor on your compatible chartplotter display.

Durable Thru-Hull Installation

Designed for longevity, the bronze housing and robust stem ensure a secure and durable thru-hull installation. The flush-mounted design reduces drag and optimizes beam orientation, providing consistent and reliable sonar performance.

Garmin Auto-ID Technology

Simplify your setup with Garmin's Auto-ID technology. The transducer automatically configures itself upon connection, offering a plug-and-play experience that saves time and ensures compatibility with your Garmin chartplotter.

Versatile Hull Compatibility

The GT12M is adaptable to a wide range of hull materials, including fiberglass, composite, and wood. Available in multiple tilt versions, it accommodates hull deadrise angles from 0° to 20° without the need for a fairing block, ensuring a perfect fit for your vessel.

What's Included

• GT12M-THF Transducer
• Jam Nut
• Washer
• Documentation

Technical Specifications

Additional Specifications

• Cable Length: 50 feet
• Chirp: Medium
• Mounting Style: Thru-Hull
• Pins: 8
• Speed Included: No
• Temperature: Yes
• Box Dimensions: 7"H x 7"W x 11"L
• Weight: 7.4 lbs
• UPC: 753759319915

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.