Description
GT15M-THF 20 Degree 600W SS Thru-Hull Transducer
Designed for reduced drag and optimum sonar performance on midsize fishing and cruising boats, this flush-mounted, 600-watt mid-band CHIRP transducer clearly defines fish arches, structure, and bottom depth returns on the display.
Midband Chirp Traditional Sonar
This 8-pin, 600-watt stainless steel thru-hull transducer features high-definition mid-band CHIRP sonar that clearly defines fish targets and structures down to 1,200’ in saltwater and 1,900’ in freshwater.
Broad Frequency Range
Use the perfect frequency for the waters being fished. Covering the medium frequency range, this transducer pulses from 85–165 kHz, displaying a wide coverage area, crisp fish arches, and accurate depth readings.
Optimum Ping Sensitivity
Offering excellent sonar sensitivity, low noise, high resolution, and good separation of targets, this robust transducer makes it easier than ever to distinguish fish and structure on a compatible chartplotter display.
Thru-Hull Installation
A durable stainless steel housing and stem offer straightforward thru-hull flush mounting for minimum drag and optimum beam orientation for clear sonar returns.
Auto-ID Technology
Enjoy simple plug-and-play operation with Garmin auto-identification technology — which enables the sonar to configure itself to the transducer being used automatically.
Fits Various Hull Types
Configurable for various boat hull materials, including fiberglass, composite, steel, aluminum, and wood, the transducer is available in a range of tilt versions to accommodate deadrise angles of 0–20 degrees without a fairing block.
Specifications:
- Transducer Frequency: Medium band chirp (85-165 Khz)
- Transducer Power: 600 W
- Transducer Beam Width: 24-16 degrees
- Transducer Maximum Depth: 1200 Ft Saltwater; 1900 Ft Freshwater
- Transducer Cable Length: 50 ft.
- Transducer Depth/Speed/Temperature: Depth, temperature
- Transducer Number of Pins: 8-Pin
- Transducer Supported Deadrise/Transom Angles: 20 degrees support hull deadrise angles from 16 degrees to 24 degrees
- Housing Material: Stainless steel
In the Box:
- GT15M-THF transducer
- Jam nut
- Washer
- Thread isolator
- Hull isolator
- Documentation
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Shipping & Delivery
⚓ Smooth Sailing Shipping
Enjoy FREE standard shipping on most orders over $250 within the continental U.S. (excl. heavy/oversized/hazardous items).
We ship via UPS, FedEx, and USPS . Orders are processed in 1–2 business days with typical delivery in 1–5 business days .
🧭 Track The Voyage
You’ll receive tracking info by email once your order ships. If your package is marked “delivered” but not received, please wait 48 hours then reach out to our team.
🛟 Hassle-Free Returns & Exchanges
Returns accepted within 30 days of delivery. Items must be unused and in original packaging.
- Mistaken or damaged cargo? We’ll handle return shipping.
- Changed your course? Return shipping is on you.
- Report defects or damage within 7 days for a free exchange.
💰 Anchor Your Refund
Refunds go back to your original payment method within 5–7 business days after inspection.
📨 Contact the Crew
Questions about your order? Drop anchor at sales@marineelec.com .
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