Airmar TM150M - Sonde TA plastique CHIRP 300W (95-155kHz) + température - (8 broches) - Garmin

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Garmin

010-11928-20

Airmar TM150M - Plastic CHIRP 300W (95-155kHz) depth sounder + temperature - (8-pin)

Designed for coastal fishing and freshwater applications, the Garmin Airmar TM150M transducer is a CHIRP transducer for transom mounting. It delivers 300 W of power across a frequency range of 95–155 kHz, providing accurate depth readings down to 183 m and temperature data. Ideal for boats up to 8 meters, it improves target resolution compared to traditional transducers. The transducer comes with its mounting bracket and installation accessories.

Retail priceBenefit from the professional rate

343,54€

343,54€ ~~419,00€~~

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In stock

Free pickup point shipping over €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

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Technical specifications

Supported sonar technologies	CHIRP
Fishfinder frequencies	95-155 kHz
Peak power	300.0
Max depth reading	183.0
Transducer material	Plastic
Sonar connector type	8-pin
Cable length	12.2
Product width	77
Integrated temperature sensor	Yes
Product height	102
Compatible displays	Garmin
Product depth	86
Bus compatibility	Garmin Owner
Wired network	Garmin Owner
Wireless connectivity	No
Mounting type	Transom
Antifouling Recommended	Yes
Beam coverage angle	17-26
Diamètre du câble	13
CHIRP low frequency	95-155
Fishing type	Sea, Lake, River
Hull Deadrise Max Angle	28
Hull Material Compatibility	Wood, Fiberglass, Aluminum, Steel
Integrated speed sensor	No
Max Operating Speed Knots	44
Max Operating Speed Mph	50
Max Vessel Length M	8
Nom du modèle	TM150M
Product type	Transducer
Release year	2018.0
Transom Angle Compatibility Range Degrees	3-20

Detailed description

Designed for recreational fishing in shallow to mid-depth waters, the Garmin Airmar TM150M transducer is a CHIRP transducer for transom mounting. It operates in a mid-frequency range of 95 to 155 kHz with a 300 W transmission power, providing a total bandwidth of 60 kHz. This CHIRP technology delivers superior target resolution and better water penetration compared to traditional single-frequency transducers, such as 50/200 kHz models. The TM150M provides accurate depth readings up to 183 meters (600 feet) and quick water temperature monitoring.

Integration and Technical Performance

The TM150M is suitable for boats up to 8 meters (25 feet) in length, including planing hulls and displacement hulls, constructed from wood, fiberglass, aluminum, or steel. It is compatible with transom angles from 3° to 20° and can orient the sound beam vertically on hulls with a deadrise angle up to 28°. Its conical beam varies from 26° to 17° depending on frequency, improving the detection of fish near structures or suspended. It can maintain bottom tracking at high boat speeds.

Differentiation and Positioning

Positioned as a versatile CHIRP solution, the TM150M transducer stands out from high-power CHIRP transducers (e.g., 1 kW models like the B265 or TM265) due to its power and maximum depth suited for coastal and inland applications. It offers significant performance improvements over traditional transducers at a comparable price, while remaining more affordable than high-end CHIRP systems. It integrates Xducer ID® technology for automatic Garmin fishfinder configuration and system optimization. Its plastic breakaway bracket protects the housing from frontal impacts, ensuring durability under normal operating conditions.

Documentation

Type	Nom
	Installation Guide - Airmar TM150M Transom-Mount Transducer
	Installation Notice - Airmar TM150M Installation Supplement (Chirp Transducers)
	Technical Drawing - Airmar TM150M Technical Drawing
	Technical Reference - Airmar TM150M Technical Data (95-155kHz)
	Technical brochure - Brochure: Airmar CHIRP transducers for transom mount
	Wiring diagram - Airmar D-91-1348 wiring diagram
	Wiring diagram - Airmar D-91-1397 Wiring Diagram
	Wiring Diagram - Airmar D-91-1400 Wiring Diagram

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis of the CHIRP TM150M fishfinder for coastal fishing »

The Garmin Airmar TM150M fishfinder represents a strategic choice for recreational boaters and anglers targeting coastal and inland waters, on boats up to 8 meters. Its CHIRP mid-frequency design (95–155 kHz) delivers detection capability and target separation that are markedly superior to classic 50/200 kHz transducers, without the investment required for wideband CHIRP systems of 1 kW or more—often oversized for this boat segment.

In terms of installation, transom-mounting is inherently less intrusive than through-hull options. However, careful attention must be paid to positioning to ensure a "clean" water flow across the active face, minimizing aeration and maximizing performance at speed. Compatibility with transom angles from 3° to 20° and the ability to compensate for up to 28° of deadrise offer useful flexibility. It is critical to avoid areas disturbed by propellers, water intakes, or chines to fully exploit its potential. This model is not recommended for chined hulls or boats with inboard engines, where through-hull or in-hull transducers would be more appropriate.

The TM150M is a high-performance solution for initiating or upgrading a CHIRP sonar installation on small boats. It excels at detecting underwater structures and fish schools in depths up to 183 meters—a threshold sufficient for most coastal and freshwater fishing applications. Its robustness, with a breakaway bracket designed to absorb impacts, contributes to its field reliability.

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Airmar TM150M - Plastic CHIRP 300W (95-155kHz) depth sounder + temperature - (8-pin)

343,54€

343,54€ ~~419,00€~~

Frequently Asked Questions

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What is the Airmar TM150M transducer?

The Airmar TM150M transducer is a CHIRP transducer designed for mounting on the transom, intended for recreational fishing in shallow to medium-depth waters. It is made of plastic and includes a water temperature sensor.

What is the frequency range of this transducer?

The Airmar TM150M transducer operates on a CHIRP mid-frequency range from 95 to 155 kHz.

What is the maximum depth this depth sounder can reach?

The Airmar TM150M depth sounder provides accurate depth readings up to 183 meters.

What are the advantages of the CHIRP technology used by the TM150M?

The TM150M CHIRP technology offers superior target resolution and better water penetration compared to traditional single-frequency sounders (such as 50/200 kHz models). This enables clearer detection of fish and underwater structures.

Does the Airmar TM150M transducer measure water temperature?

Yes, the Airmar TM150M transducer is equipped with a sensor that enables fast and accurate water temperature monitoring.

What material is the Airmar TM150M transducer made of?

The housing of the Airmar TM150M transducer is made of plastic, and its radiating surface, or acoustic window, is made of urethane.

With which types of boats is the TM150M transducer compatible?

The Airmar TM150M transducer is recommended for boats up to 8 metres (25 feet) in length, whether they have planing or displacement hulls. It is compatible with hulls made of wood, fiberglass, aluminum, or steel.

Can this transducer be installed on a boat with an inboard engine?

No, the Airmar TM150M transducer is not recommended for boats equipped with one or more inboard engines.

What type of connector does the Airmar TM150M transducer have?

The Airmar TM150M transducer is equipped with an 8-pin connector, making it compatible with Garmin devices featuring the corresponding connection.

Is the TM150M transducer compatible with stepped hulls?

No, the Airmar TM150M transducer is not recommended for boats with stepped hulls.

What is the mounting type for the Airmar TM150M transducer?

The Airmar TM150M transducer is a transom-mount transducer. This means it is designed to be bolted to the outside of the boat on the transom, with its active face and sides submerged in the water during operation.

Which transom angles are supported for installation?

The Airmar TM150M transducer can be adjusted to compensate for transom angles ranging from 3° to 20°, ensuring the beam is correctly directed toward the seabed.

What is the maximum deadrise angle of the hull at which the beam can be oriented vertically?

The Airmar TM150M transducer can orient the sound beam vertically on hulls with a deadrise angle of up to 28°.

What is the maximum boat speed at which the depth sounder can operate correctly?

The Airmar TM150M transducer is designed to maintain reliable bottom tracking and proper operation up to boat speeds of 44 knots (approximately 50 mph).

What is the minimum vertical height required for the transducer installation?

A minimum vertical clearance of 89 mm (3.5 inches) is required above the mounting bracket to allow for installation and upward rotation of the transducer.

Where should the transducer be installed on the transom for optimal performance?

For optimal performance, the face of the transducer must be in contact with smooth water. It is recommended to mount it on the side of the transom where the propeller blades move downward, and as close as possible to the boat’s centerline (keel). Avoid mounting it inline or near water intakes, discharges, or behind hull strakes or irregularities that could disrupt water flow.

Should marine sealant be used when installing the transducer?

Yes, it is critical to apply marine sealant to the threads of the self-tapping screws on the transducer mount to prevent water infiltration into the transom.