• Garmin AIRMAR B175M 20° Tilt transducer; brass housing with black face.

Garmin AIRMAR B175M 20° Tilt (010-11939-22)

Garmin AIRMAR B175M 20° Tilt (010-11939-22)

Model Number: 010-11939-22

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Tech Specs
In The Box
Manual & Warranty
Trade-In

Tech Specs

In The Box

Manual & Warranty

Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!

1. Get a quote

To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.

2. Ship your product(s) for trade

After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.

3. Make your purchase

Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.

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Tech Specs

In The Box

Manual & Warranty

Trade-In

Overview

Garmin AIRMAR B175M 20° Tilt Transducer (010-11939-22)

Introduction

The Garmin AIRMAR B175M 20° Tilt Transducer is engineered for anglers and boat owners seeking powerful sonar performance with a streamlined installation. Delivering up to 1 kW of sonar power, this premium thru-hull transducer features a flush-mounted bronze housing that extends less than 1/4 inch outside the hull, reducing drag while remaining safe for trailer rollers and bunks.

Its integrated 20° tilted ceramic element automatically compensates for hull deadrise, eliminating the need for a separate fairing block and simplifying installation. Designed for fibreglass and wooden hulls, the B175M operates within a medium CHIRP frequency range of 85–135 kHz, providing excellent target separation, dependable fish detection, and accurate depth readings up to 1,500 feet. Whether you're fishing offshore or exploring deeper waters, this transducer delivers reliable sonar performance in demanding marine environments.

Key Features

High-Power Sonar Performance

  • Delivers up to 1 kW of sonar power.
  • Accurate depth readings up to 1,500 feet.
  • Medium CHIRP operating frequency of 85–135 kHz.
  • Provides excellent target separation and underwater detail.

Integrated 20° Tilted Element

  • Built-in 20° tilted ceramic element.
  • Automatically compensates for hull deadrise.
  • Eliminates the need for a fairing block.
  • Optimizes sonar accuracy and performance.

Flush Thru-Hull Installation

  • Flush-mounted bronze housing.
  • Extends less than 1/4 inch outside the hull.
  • Minimizes drag for improved efficiency.
  • Safe for use with trailer rollers and bunks.

Broad Garmin Compatibility

  • Compatible with supported Garmin sonar systems.
  • Equipped with an 8-pin connector.
  • Integrates with compatible Garmin chartplotters and fishfinders.
  • Ideal for recreational and offshore fishing.

Rugged Marine Construction

  • Heavy-duty bronze housing.
  • Designed for fibreglass and wooden hulls.
  • Built to withstand demanding marine environments.
  • Engineered for long-lasting durability.

Performance Insights

The Garmin AIRMAR B175M 20° Tilt Transducer combines high-output sonar performance with an integrated tilted element that simplifies installation while maintaining outstanding sonar accuracy. By removing the need for a fairing block, it provides a cleaner installation and improved hydrodynamics without compromising performance.

Its medium CHIRP frequency range offers an excellent balance between depth penetration and target resolution, making it ideal for anglers who require dependable fish detection and detailed bottom tracking in deeper waters. The low-profile bronze housing also minimizes drag while protecting the transducer during launching and trailering.

Usage Instructions

Install the Garmin AIRMAR B175M according to the supplied installation instructions to ensure proper positioning and secure watertight mounting. The integrated 20° tilted element is designed to accommodate compatible hull angles without requiring an external fairing block.

Connect the 8-pin transducer to a compatible Garmin chartplotter or fishfinder, configure the sonar settings to match your fishing conditions, and verify system operation before use. Inspect and clean the transducer regularly to maintain optimal sonar performance.

Design & Build

The Garmin AIRMAR B175M is built with a premium bronze thru-hull housing designed for long-lasting performance in demanding marine conditions. Its streamlined flush-mounted profile minimizes drag while providing reliable protection during launching, retrieval, and transport. The integrated tilted element ensures efficient sonar transmission in a compact and durable design.

Design Highlights

  • Flush-mounted bronze housing
  • Built-in 20° tilted element
  • 1 kW high-performance sonar
  • Medium CHIRP frequency operation
  • Operating frequency of 85–135 kHz
  • Accurate depth readings up to 1,500 feet
  • 8-pin connector
  • Eliminates the need for a fairing block
  • Low-profile thru-hull installation
  • Suitable for fibreglass and wooden hulls
  • Trailer-friendly design
  • Rugged marine construction

Final Verdict

The Garmin AIRMAR B175M 20° Tilt Transducer is an excellent choice for anglers and boat owners looking for powerful medium CHIRP sonar performance with a simplified installation. Its integrated 20° tilted element, flush-mounted bronze housing, and 1 kW sonar output provide outstanding target separation, reliable depth detection, and dependable operation across a wide range of fishing conditions.

Whether you're targeting offshore species, exploring deeper waters, or upgrading your compatible Garmin sonar system, the Garmin AIRMAR B175M delivers the precision, durability, and performance needed for a superior on-the-water experience.