The Garmin B275LH-W Bronze Thru-Hull Transducer is a CHIRP-ready bronze through-hull sonar sensor designed for boats 25' and larger. It delivers broad coverage, fast readings, and reliable depth detail for inshore and pelagic fishing, with a 12-pin interface for seamless Garmin networking.
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Through-hull bronze housing: Bronze thru-hull design with a high-performance fairing that enhances broadband performance at speeds over 30 knots (34 mph); suitable for fiberglass or wood hulls on boats 8 m (25') and larger.
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Dual-frequency CHIRP-ready design: Wide beam and broad coverage under the keel for improved visibility of fish arches and bottom structure.
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High Frequency mode: 150–250 kHz with a fixed 25° beam, delivering high-resolution shallow-water detail (maximum depth ~152 m / 500') and strong target separation.
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Low Frequency mode: 42–65 kHz with up to 1 kW of power, providing great deep-water performance (maximum depth ~914 m / 3000'), with beamwidth from 25° to 16°.
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Broad bandwidth: 123 kHz total bandwidth from one transducer, covering popular frequencies at 50 and 200 kHz plus everything in between.
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Water-temperature sensor: Depth-reading capability paired with a fast-response water-temperature sensor for quick, accurate readings.
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Exclusive Xducer ID technology: Streamlined configuration and compatibility across Garmin gear.
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12-Pin connector: 12-Pin interface designed for Garmin networking and integrated systems.
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Includes a high-performance fairing: Optimizes broadband performance at higher speeds for consistent sonar quality.
Designed to excel from nearshore shoals to pelagic depths, the B275LH-W delivers broad coverage under the keel with clear fish arches and bottom detail. Its bronze thru-hull design supports high-speed boating (over 30 knots) while maintaining reliable readings, thanks to dual-frequency CHIRP, dedicated high- and low-frequency performance, and a fast-response water-temperature sensor. With Xducer ID technology for easy setup and a 12-pin Garmin interface, this transducer simplifies integration and ensures compatibility across your sonar system for confident, faster decisions on every voyage.
