Designed for fast bass boats, the Garmin GT8HW-IH IN-HULL High Wide CHIRP transducer delivers reliable depth and detailed bottom imagery when speed matters. Installed inside a fiberglass hull, it minimizes cavitation to keep depth readings accurate at high speeds.
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In-hull installation: Mounts in a flat section of the hull to eliminate cavitation and maintain precise depth readings at speed.
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High Wide CHIRP frequency: Traditional CHIRP sonar at 150–240 kHz for strong target separation and clear bottom and structure details.
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Power and performance: 250 W transducer for clear, strong sonar signals across a range of depths.
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Versatile compatibility: Can be used with a GT30-TM transducer and an adapter cable to preserve depth at high speeds while enabling scanning at trolling speeds.
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Easy installation and Garmin reliability: Includes in-hull fitting and documentation; follow the provided instructions to avoid damaging your boat.
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What’s in the box: GT8HW-IH transducer, in-hull fitting, documentation.
With this setup, anglers gain reliable depth data at speed, enhanced bottom and structure visibility, and flexible scanning options without sacrificing performance. The in-hull design helps reduce cavitation, while the 250 W output ensures strong sonar signals across depths. The ability to pair with GT30-TM and an adapter cable expands use from high-speed navigation to trolling, making it a practical upgrade for bass boats prioritizing speed and precision.