Experience ultra-clear underwater detail with the Garmin GT30-TH Thru Hull Scanning Transducer, designed for shallow-water anglers who demand CHIRP ClearVü and CHIRP SideVü imaging. Its through-hull stainless stem delivers dependable scanning beneath the boat, even as hull deadrises vary.
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Through-hull stainless stem: Delivers dependable scanning beneath the boat and tolerates hull deadrises up to 25°, ensuring persistent performance.
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CHIRP ClearVü & SideVü imaging: Provides detailed imagery of objects, structure, and fish below and to the sides of the boat.
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Power: 500 W per element (1,500 W total) for strong, crisp sonar returns in challenging conditions.
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Depth capabilities: ClearVü up to 750 ft; SideVü up to 500 ft to left and right.
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Frequencies: CHIRP 455 kHz (425–485 kHz) and 800 kHz (790–850 kHz) for versatile range and detail.
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Beamwidth: ClearVü 1.4°x53° @ 455 kHz and 0.8°x30° @ 800 kHz; SideVü 1.1°x53° @ 455 kHz and 0.7°x30° @ 800 kHz.
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Depth/Speed/Temperature: Built-in fast-response temperature sensor for accurate readings.
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Cable & connectors: 12-pin with 5 ft + 30 ft y-extension cable for flexible installation.
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Compatibility: Designed to pair with Garmin GCV 10 scanning sonar module for enhanced imagery.
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Included components: Transducer with stainless steel stem, fairing block, isolation plate and bushings, extension cable, mounting hardware and installation instructions.
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Important installation note: Follow the installation instructions carefully to avoid damaging your boat.
The GT30-TH delivers precise, high-detail sonar that helps you identify structure, cover, and targets with confidence. Its robust through-hull design and dual-frequency CHIRP imaging provide a reliable, long-lasting solution for anglers who require solid scanning performance across varying hull deadrises, while the flexible cabling and compatibility with the GCV 10 expand your underwater view to both sides of the boat.
| General |
| Frequency |
| ClearVü/SideVü CHIRP |
455 kHz (425-485 kHz) & 800 kHz (790-850 kHz) |
| Power |
| ClearVü/SideVü |
500 W |
| Beamwidth |
| ClearVü |
1.4°x53° @ 455 kHz and 0.8°x30° @ 800 kHz |
| SideVü |
1.1°x53° @ 455 kHZ and 0.7°x30° @ 800 kHz |
| Maximum depth |
| ClearVü |
750 ft |
| SideVü |
500 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 |