Garmin

Garmin B150M Bronze 0° Thru-Hull Transducer - 300W, 8-Pin

SKU: 47870 · UPC: 753759997687 · MPN: 010-11927-20
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02 · Overview

Garmin B150M Bronze 0° Thru-Hull Transducer - 300W, 8-Pin — Product description

Discover Superior Underwater Visibility with the Garmin B150M Bronze Thru-Hull Transducer

Upgrade your boating experience with a transducer designed for clarity and reliability on the water. This bronze thru-hull model delivers CHIRP sonar performance tailored for anglers and navigators seeking precise fish arches, structure details, and bottom contours. Whether you're chasing trophy fish in coastal waters or mapping submerged reefs, its wide beam coverage and temperature sensing help you stay ahead of the action.

Crafted from durable bronze, it withstands harsh marine environments while providing a flush mount that minimizes drag. The 0° tilted element inside adapts seamlessly to hulls with minimal deadrise, ensuring optimal signal transmission without complex fairing adjustments.

Why CHIRP Technology Sets This Transducer Apart

Unlike traditional fixed-frequency sonar, CHIRP sweeps across a broad range of frequencies (95-155 kHz) to produce incredibly detailed images. This means sharper target separation—distinguishing individual fish in a school from bait clouds—and exceptional bottom tracking even at speed.

  • Beam width of 26° low-frequency / 17° high-frequency for balanced coverage and resolution
  • Reaches depths up to 1,500 feet, ideal for offshore adventures
  • Integrated temperature sensor reveals water column changes, helping locate productive zones

Boaters report crisper echoes on wrecks and ledges, making it a favorite for both recreational fishing and serious tournament pros.

Effortless Installation for Thru-Hull Mounting

Installing this 8-pin, 300-watt powerhouse is straightforward for DIY enthusiasts. The 2-inch shaft and 39-foot cable give ample reach to your display unit. It's optimized for fiberglass and wooden hulls with 0-7° deadrise angles, supporting clean water flow over the face for distortion-free readings.

  1. Drill a precise hole matching the shaft diameter
  2. Secure the flush-mounted housing with the included hardware
  3. Route the cable neatly and connect to your compatible Garmin sounder
  4. Test at idle and planing speeds for peak performance

Pro tip: Seal thoroughly with marine-grade sealant to prevent leaks, and angle the transducer parallel to the waterline at cruise speed for the best results.

Built for Real-World Marine Demands

At 300 watts RMS, it punches through thermoclines and suspended particulates without overwhelming your system. The bronze construction resists corrosion in saltwater, while the low-profile design reduces turbulence—perfect for trailerable boats or center consoles.

Common applications include spotting bait balls nearshore, tracking pelagic species like tuna on deep drops, or navigating rocky bottoms safely. Pair it with your Garmin chartplotter for split-screen sonar overlays that transform how you read the underwater world.

Performance Comparison: How It Stacks Up

Spec Garmin B150M Bronze Typical Fixed-Freq Alternative
Frequency Range 95-155 kHz (CHIRP) Single (e.g., 200 kHz)
Max Depth 1,500 ft 800-1,000 ft
Beam Width 26°/17° Narrower, less versatile
Hull Compatibility 0-7° Deadrise (No Fairing) Limited angles

This entry-level CHIRP option outperforms many higher-priced fixed sonar units in target detail and depth penetration.

Frequently Asked Questions

What hull types is the Garmin B150M Bronze transducer best suited for?

It's ideal for fiberglass and wooden hulls with 0-7° deadrise angles. The internal 0° tilt eliminates the need for a fairing block on most vessels.

Does this transducer include a temperature sensor?

Yes, it features an integrated temperature sensor, allowing you to monitor water temps alongside depth and fish returns for better fishing strategies.

What is the maximum depth capability of the B150M?

It performs reliably up to 1,500 feet, making it suitable for deep-water fishing and offshore exploration.

How does CHIRP improve sonar images compared to traditional sonar?

CHIRP transmits across a range of frequencies (95-155 kHz here), creating sharper, more detailed images with better fish separation and bottom definition than single-frequency sonar.

What cable length comes with this thru-hull transducer?

It includes a 39-foot cable, providing flexibility for routing to your Garmin display unit anywhere on the boat.

Is this transducer suitable for saltwater use?

Absolutely—the bronze housing is corrosion-resistant, making it perfect for saltwater environments like bays, inlets, and open ocean.

What power rating does it have, and what does that mean for performance?

Rated at 300 watts RMS, it delivers strong signal output for clear returns without requiring a high-end amplifier, balancing power and efficiency.

Garmin make products that are engineered on the inside for life on the outside. We bring GPS navigation and wearable technology to the automotive, aviation, marine, outdoor and fitness markets. We believe every day is an opportunity to innovate and a chance to beat yesterday. We offer products with essential utility, leading-edge technologies, compelling features, and exceptional ease-of-use to create clear differentiators our customers appreciate and desire.

Garmin 101192720 Attributes

  • Mounting Location: Thru-Hull Mount
  • Number Of Pins: 8 Pin
  • Depth: 600 Feet
  • Power Rating: 300 Watt
  • Frequency Range: 95-155 kHz
  • Supported Angle: 0 To 7 Degree Deadrise
  • Cable Length: 39 Feet

Garmin 101192720 Features & Benefits

  • Entry Level CHIRP Solution Provides Good Depth Capability And Target Separation
  • 8-Pin 300 Watt Bronze Thru-Hull Mount Transducer Has A Depth Of 600 Feet
  • Transducer Kit Comes With Installation Instructions
  • Transducer Supports A 0 To 7 Degree Deadrise
  • Limited 1 Year Warranty

Garmin 101192720 Warranties


Airmar B150M
w/0° Tilt
300W

Flush-mounted bronze housing,tilted element inside the transducer accommodates all hull deadrises and eliminates the need for a fairing block. Low, medium, and high frequency versions provide maximum flexibility for the choice of frequencies. Excellent for fiberglass and wood hulls.

Entry Level Chirp Solution. Provides good depth capability and good target separation.

Max Depth - 1,500'
Suppoarted Deadrise/Transom Angles - 0-7° Deadrise


Garmin Xdcr CHIRP-M Bronze LP has no tilt 8-pin 010-11927-20. Garmin is developed using some of the most powerful and lasting resources and can provide...
SKU: NVN-47870
MPN: 010-11927-20
UPC: 753759997687
03 · The numbers

Technical specifications

BrandGarmin
ModelGarmin B150M Bronze 0° Thru-Hull Transducer - 300W, 8-Pin
SKU / MFR#47870

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04 · Before you buy

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05 · Customer voices

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