Garmin GT23M-TH Through-Hull CHIRP Transducer (010-12404-10)

Introduction

The Garmin GT23M-TH Through-Hull Transducer is designed for serious coastal and offshore anglers who require reliable sonar performance and detailed underwater imaging. Combining mid-band CHIRP traditional sonar with CHIRP ClearVü scanning sonar, it delivers accurate fish detection along with detailed views of structures beneath the vessel.

The traditional CHIRP sonar produces clear fish arches and excellent target separation, allowing anglers to distinguish individual fish from surrounding structures with confidence. Meanwhile, the CHIRP ClearVü element generates near-photographic images of the bottom, helping locate reefs, drop-offs, submerged timber, and other underwater features.

Built with a corrosion-resistant stainless steel stem, the GT23M-TH is engineered for long-lasting performance in demanding saltwater environments while integrating seamlessly with compatible Garmin sonar systems.

Key Features

CHIRP Traditional Sonar

• Mid-band CHIRP traditional sonar.
• Operating frequency of 80–160 kHz.
• 600 W power output.
• Clear fish arches.
• Superior target separation.

CHIRP ClearVü Scanning Sonar

• High-definition ClearVü imaging.
• Operating frequencies of 260/455 kHz.
• 500 W scanning power.
• Detailed bottom structure views.
• Exceptional underwater clarity.

Superior Fish Detection

• Clearly identifies fish targets.
• Enhanced target separation.
• Improved fish tracking.
• Ideal for coastal and offshore fishing.

Detailed Structure Imaging

• Sharp images of underwater structures.
• Locate reefs and ledges.
• Identify submerged obstacles.
• Improved bottom detail.

Through-Hull Installation

• Secure through-hull mounting.
• Stable sonar performance.
• Reliable signal transmission.
• Suitable for a wide range of boats.

Stainless Steel Construction

• Durable stainless steel stem.
• Corrosion-resistant design.
• Built for saltwater environments.
• Long-lasting marine durability.

Garmin Compatibility

• Compatible with supported Garmin sonar systems.
• 8-pin connector.
• Reliable system integration.
• Optimized sonar performance.

Sonar Performance

The Garmin GT23M-TH combines advanced CHIRP traditional sonar with CHIRP ClearVü scanning technology to deliver highly detailed underwater information. The traditional sonar produces crisp fish arches and excellent target separation, while ClearVü scanning reveals detailed images of bottom structures, vegetation, and submerged objects.

This combination allows anglers to quickly locate productive fishing areas and accurately distinguish fish from surrounding underwater terrain, making it an excellent solution for both recreational and serious offshore fishing.

Usage Instructions

Install the Garmin GT23M-TH Through-Hull Transducer according to the supplied installation instructions. Ensure the transducer is properly positioned within the hull to achieve optimal sonar performance and avoid damage to the vessel.

Connect the 8-pin transducer to a compatible Garmin chartplotter or sonar system and configure the sonar settings to match your fishing conditions. Utilize both CHIRP traditional sonar and CHIRP ClearVü views for comprehensive underwater coverage.

Design & Build

The Garmin GT23M-TH features a rugged stainless steel through-hull housing engineered to withstand harsh marine environments and continuous saltwater exposure. Its streamlined design provides dependable sonar performance while maintaining reliable long-term durability.

Designed specifically for through-hull installation, the transducer offers excellent signal transmission and dependable operation for anglers who demand accurate sonar performance in both coastal and offshore waters.

Design Highlights

• Through-hull CHIRP transducer
• Mid-band CHIRP traditional sonar
• CHIRP ClearVü scanning sonar
• 600 W traditional sonar power
• 500 W ClearVü scanning power
• Traditional sonar frequency: 80–160 kHz
• ClearVü frequencies: 260/455 kHz
• Superior target separation
• Crisp fish arch detection
• Detailed bottom structure imaging
• Stainless steel stem
• Corrosion-resistant construction
• Through-hull mounting design
• 8-pin connector
• Compatible with Garmin sonar systems
• Designed for coastal and offshore fishing
• Durable marine-ready construction

Final Verdict

The Garmin GT23M-TH Through-Hull Transducer is an excellent choice for anglers seeking dependable CHIRP sonar performance with detailed underwater imaging. By combining mid-band CHIRP traditional sonar and CHIRP ClearVü scanning technology, it delivers exceptional fish detection, precise target separation, and clear views of underwater structures.

Whether fishing coastal waters or heading offshore, the GT23M-TH provides the accuracy, reliability, and imaging performance needed to locate fish and better understand the underwater environment.