Garmin B265LM Bronze Thru-Hull Mount Transducer w/Depth & Temperature

Meet the Garmin B265LM Bronze Thru-Hull Mount Transducer with Depth & Temperature—a high‑performance 1 kW bare-wire transducer engineered for deep-water clarity and superior bottom and water-column detail. Built to withstand demanding offshore conditions, this bronze thru-hull solution delivers precise readings and reliable performance where it matters most.

Key features

• 1 kW through-hull performance for exceptional bottom detail and water-column clarity in deep water.
• Bronze thru-hull design built for durability and optimal signal transmission in saltwater environments.
• Depth capability up to 3,000 ft with dual-frequency operation at 42–65 kHz and 85–135 kHz.
• Beamwidth versatility 16–25 degrees (low frequencies) and 11–16 degrees (high frequencies) for flexible coverage.
• Deadrise compatibility supports 0–20 degrees for stable performance across hull shapes.
• Depth and temperature sensing for a comprehensive sonar picture and environmental awareness.
• GSD CHIRP compatibility designed to work with Garmin's GSD™ 26 CHIRP Professional Sonar Module for advanced sonar processing.
• Installation kit with instructions—clear guidance to ensure proper mounting and prevent water intrusion or damage to your boat.
• Prop 65 warning — This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Why choose the B265LM

For anglers and offshore navigators who demand depth, temperature data, and ultra-detailed sonar at depth, the B265LM bronze thru-hull transducer is a trusted choice. Its rugged construction and broad frequency range provide clear bottom definition, accurate environmental readings, and compatibility with Garmin’s CHIRP ecosystem—empowering you to make informed decisions on the water.

Compatibility and usage

Designed to integrate with Garmin’s GSD™ 26 CHIRP Professional Sonar Module, this transducer is ideal for premium sonar setups on larger boats and offshore rigs. The kit includes installation instructions to guide you through a careful, thorough installation, helping you achieve optimal signal quality and long-term reliability.