Furuno R509LH Dual-Frequency CHIRP Thru-Hull Transducer with Temperature Sensor

The Furuno R509LH is a professional-grade thru-hull CHIRP transducer designed for serious offshore anglers and commercial fishing captains who demand maximum depth capability combined with exceptional target resolution. This urethane transducer features dual-frequency CHIRP capability operating at 28-60 kHz low frequency and 130-210 kHz high frequency, delivering superior performance from shallow water to extreme depths.

Key Features:

• 3 kW power rating for deep-water performance
• Twenty-five element low-frequency array operating between 28 and 60 kHz
• Single high-frequency ceramic operating between 130 kHz and 210 kHz with narrow 8° to 4° beam for amazing target resolution
• Multiple beam angles: 23 x 9 degrees, 11 x 5 degrees, and 8 x 4 degrees
• Integrated fast-response water temperature sensor
• Urethane housing with high-speed fairing block included
• Uses same elements as the CM599LH for proven performance
• Compatible with Furuno DFF3, DFF1-UHD, FCV-1150, FCV-1900, and other CHIRP-ready sounders
• Suitable for hull deadrise angles up to 22 degrees

This powerhouse transducer delivers extreme target detail, bottom discrimination, and bait and game-fish separation at all depths. Recommended for vessels 40 feet and up, the R509LH provides the professional angler with the tools needed for successful deep-drop fishing and offshore tournament performance. The included mounting hardware and high-speed fairing block ensure optimal installation and hydrodynamic performance.