The Garmin B75H Bronze 20° Thru-Hull Transducer is a rugged bronze thru-hull sonar solution designed for fiberglass and wood hulls, delivering precise depth readings and dependable fish-finding performance. Its tilted element automatically adapts to a wide range of hull deadrises, eliminating the need for a fairing block.
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600W high-power output: Delivers strong, clear sonar signals at depth for reliable bottom detail and fish arches.
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Bronze through-hull design: Durable bronze housing built to endure harsh marine conditions.
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20° tilt / Tilted element: Automatically adapts to hull deadrises in the 16–24° range for consistent coverage.
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Flush-mounted housing: Eliminates the need for a fairing block, simplifying installation and reducing drag.
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Frequency versatility: Supports low, medium, and high frequency versions to adapt to different fishing situations.
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Ideal for fiberglass and wood hulls: Specifically engineered for common boat materials.
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Max depth up to 800 ft: Suited for offshore and deep-water fishing.
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8-Pin connector: Robust wiring for dependable electrical connections.
With the B75H, you gain accurate depth readings and dependable fish-finding performance across a wide range of hull deadrises and water conditions. The bronze thru-hull design and flush-mounted housing reduce installation complexity and drag, while high-power 600W output provides clear sonar returns at depth (up to 800 ft). The tilting element and frequency versatility let you tailor performance from shallow structure to deep-water trolling, ideal for fiberglass and wood hull boats seeking reliable sonar that stands up to marine environments. Note: California Prop 65 warning applies. For more information, visit P65Warnings.ca.gov.
