Garmin AIRMAR B265LH Transducer (010-12379-20)

Introduction

The Garmin AIRMAR B265LH Transducer is one of Garmin’s highest-performing 1 kW thru-hull transducers, engineered to provide outstanding sonar performance in both deep and shallow water environments. Designed for serious anglers and offshore fishing enthusiasts, this advanced CHIRP transducer combines low and high-frequency operation to deliver remarkable target separation, exceptional bottom detail, and enhanced fish detection.

With a depth capability of up to 3,000 feet, the B265LH excels in offshore fishing applications where accurate bottom tracking and detailed sonar returns are essential. The combination of low-frequency CHIRP for deeper penetration and high-frequency CHIRP for enhanced detail allows anglers to identify fish, bait schools, and underwater structures with impressive clarity.

Built for dependable marine performance, the B265LH is an excellent choice for boaters seeking professional-grade sonar imaging and reliable fish-finding capabilities.

Key Features

Dual-Frequency CHIRP Technology

• Combines low and high-frequency CHIRP sonar.
• Delivers superior target separation.
• Enhances fish identification and structure detection.
• Provides detailed underwater imaging across various depths.

Excellent Deep-Water Performance

• Supports depth readings up to 3,000 feet.
• Ideal for offshore and deep-water fishing applications.
• Maintains accurate bottom tracking in challenging conditions.
• Improves visibility of deep-water fish targets.

Low-Frequency Operation

• Operating frequency range: 42–65 kHz.
• Provides greater depth penetration.
• Optimized for offshore fishing environments.
• Enhances bottom detection at extended depths.

High-Frequency Operation

• Operating frequency range: 130–210 kHz.
• Produces sharper target definition.
• Improves fish and structure separation.
• Delivers enhanced water column detail.

Exceptional Sonar Detail

• Provides clear bottom returns.
• Reveals fish, bait schools, and underwater features.
• Improves interpretation of underwater environments.
• Supports more effective fishing decisions.

Reliable Thru-Hull Installation

• Designed for permanent thru-hull mounting.
• Built for long-term marine use.
• Suitable for demanding fishing applications.
• Engineered for dependable sonar performance.

Performance Insights

The AIRMAR B265LH combines two powerful CHIRP frequency ranges to maximize sonar effectiveness. The low-frequency channel penetrates deeper water, helping anglers maintain accurate bottom tracking and detect fish at substantial depths. The high-frequency channel provides enhanced resolution and detail, making it easier to distinguish fish from surrounding structure.

This combination allows users to monitor both the bottom and the water column with exceptional clarity. Whether targeting offshore game fish, locating bait schools, or identifying underwater structures, the B265LH delivers the detailed sonar information needed for confident navigation and successful fishing.

Its ability to maintain strong sonar performance at depths up to 3,000 feet makes it particularly valuable for serious offshore anglers and sport-fishing vessels.

Usage Instructions

Install the B265LH transducer according to the included AIRMAR and Garmin installation instructions. Proper hull placement is essential for achieving optimal sonar performance and accurate readings.

Connect the transducer to a compatible Garmin sonar system and configure sonar settings according to your fishing environment and target species. Regularly inspect the transducer and mounting hardware to ensure reliable operation.

Always follow installation guidelines carefully to prevent damage to the vessel and transducer.

Design & Construction

The Garmin AIRMAR B265LH features a robust thru-hull design engineered for demanding marine environments. Its dual-channel CHIRP technology and precision sonar elements provide exceptional performance while maintaining long-term reliability.

Designed for anglers who require accurate fish-finding and bottom-tracking capabilities, the B265LH offers professional-grade sonar performance in a durable and dependable package.

Design Highlights

• Premium 1 kW CHIRP thru-hull transducer
• Low-frequency range: 42–65 kHz
• High-frequency range: 130–210 kHz
• Maximum depth capability of 3,000 feet
• Excellent bottom tracking performance
• Exceptional water column detail
• Enhanced fish target separation
• Superior offshore fishing performance
• Dual-frequency CHIRP operation
• Beamwidth range of 16°–25° and 6°–10°
• Supports 0°–20° deadrise installations
• Reliable thru-hull mounting design
• Clear fish and structure identification
• Professional-grade sonar technology
• Durable marine construction

Final Verdict

The Garmin AIRMAR B265LH Transducer is an outstanding choice for anglers seeking premium CHIRP sonar performance in both offshore and coastal waters. Its powerful 1 kW output, dual-frequency operation, and impressive depth capability provide exceptional underwater detail, reliable bottom tracking, and enhanced fish detection.

Whether you're targeting deep-water species, searching for productive fishing grounds, or upgrading your vessel’s sonar capabilities, the B265LH delivers the performance, precision, and reliability needed to maximize success on the water.