Experience unparalleled sonar clarity with the Garmin GT51M-THP Transducer THRU-HULL Pair, a purpose-built solution for coastal and offshore anglers who crave CHIRP traditional sonar along with CHIRP ClearVü and CHIRP SideVü scanning. Featuring durable stainless steel stems and a comprehensive installation kit, this 12-pin transducer pair delivers reliable performance in rough seas and challenging hulls.
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CHIRP sonar versatility combines traditional CHIRP (80–160 kHz) for deep, crisp targets with CHIRP ClearVü and SideVü scanning at 260 kHz (245–275 kHz) and 455 kHz (445–465 kHz) for detailed underwater images to the sides and below your boat.
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Power and clarity — Traditional CHIRP operates at 600 W, while ClearVü/SideVü elements deliver 500 W per element for vibrant, high-contrast target separation and clear pictures of structure, fish, and objects.
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Depth capability — Traditional depth up to 1,800 ft; ClearVü up to 1,000 ft; SideVü up to 750 ft, enabling confidence in varying water conditions.
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Rugged construction — Stainless steel stems with fairing blocks designed for hulls with up to 25° deadrise, ensuring reliable performance in rough sea conditions.
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Integrated sensor and support — Built-in fast-response temperature sensor aids in fish behavior interpretation and environment tracking; includes a 12-pin port pair, mounting hardware, fair blocks, isolation plates, bushings, a Y-cable, and installation instructions for a smooth setup.
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Flexible installation — Cable length 5 ft plus a 30 ft Y-extension for easy routing and compatibility with a wide range of vessels and transducer configurations.
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What’s in the box — Port transducer, starboard transducer, fair blocks x2, isolation plates and bushings x2, mounting hardware, documentation, and Y-Cable for a complete installation.
The GT51M-THP is the ideal choice for serious anglers who demand precise target separation and comprehensive underwater views. With its THRU-HULL design, robust power, and CHIRP technology, you’ll gain a distinct edge when locating fish, structures, and other key underwater features from coastal waters to offshore venues. Model 010-01966-11
| General |
| Frequency |
| CHIRP Mid-band |
(80-160 kHz) |
| ClearVü/SideVü CHIRP |
260 kHz (245-275 kHz) & 455 kHz (445-465 kHz) |
| Power |
| CHIRP Traditional |
600 W |
| ClearVü/SideVü |
500 W |
| Beamwidth |
| Traditional |
24°-13° |
| ClearVü/SideVü |
2.0°x51° @ 260 kHz and 1.4°x29° @ 455 kHz |
| Maximum depth |
| Traditional |
1,800 ft |
| ClearVü |
1,000 ft |
| SideVü |
750 ft. |
| Depth/Speed/Temperature |
Depth and Temperature |
| Number of pins |
12-pin |
| Cable length |
5 ft. + 30 ft. y-extension cable |
| Supported deadrise/Transom angles |
Up to 25° deadrise |
