M135C-M-9N - Airmar M135M Medium Chirp In-Hull Transducer | Aztek Computers
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SKU: ME44CWRXSD |  Mfg. Part: M135C-M-9N  | UPC: 801769002119  | 
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M135C-M-9N - Airmar M135M Medium Chirp In-Hull Transducer

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$903.65  $1,219.93
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Product Overview

Airmar M135M Medium Chirp In-Hull Transducer

The M135M offers an optimal blend of coverage and depth performance, ideal for both shallow and deeper water fishing. Operating at a frequency range of 85 to 135 kHz, this transducer can detect fish at depths of up to 457 m (1500 ft), providing exceptional resolution for target and structure returns.

Designed for easy installation, the M135M includes a plastic mounting base that aligns with the hull's centerline and is filled with non-toxic antifreeze to ensure maximum efficiency. The eco-friendly coolant allows for seamless transmission through solid fiberglass, making it an excellent choice for trailered or lifted boats. Specifically tailored for smaller boats with solid fiberglass hulls, this transducer enhances your fishing experience.

Expert Overview

The Airmar M135M Medium Chirp In-Hull Transducer is designed for marine applications requiring reliable depth indication and fish detection. This transducer operates within a 85 to 135 kHz frequency range, providing a balance of coverage and depth capabilities suitable for both shallow and deeper water environments, with a maximum depth of 457 meters (1500 feet). It delivers 1 kW of power output and 50 kHz of total bandwidth, offering resolution for identifying targets and underwater structures. The M135M is specifically engineered for smaller boats equipped with solid fiberglass hulls, making it a practical choice for vessels that are frequently trailered or lifted. Installation is facilitated by a lightweight plastic mounting base that aligns with the hull's centerline, utilizing a non-toxic antifreeze for efficient signal transmission through solid fiberglass. This product, part number M135C-M-9N, addresses the need for consistent sonar performance without requiring hull penetration.

Technical Specifications

  • Depth only indication
  • 1 kW of power output
  • 50 kHz of total bandwidth
  • Optimal for planing and displacement hulls
  • Lightweight plastic transducer and mounting base
  • Compatible with popular fishing frequencies of 88 and 107 kHz
  • Available in various mount styles including transom and thru-hull
  • Incorporates patented Xducer ID® technology

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
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  • Updated:
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  • Airmar
  • M135C-M-9N
  • B0CWYX7ZMB
  • 801769002119
  • New
  • 5.1 lbs
  • 12 X 5 X 8
  • Aug 03, 2026
  • Nov 24, 2025
Product Identifiers: Brand: Airmar • Part #: M135C-M-9N • UPC: 801769002119 • ASIN: B0CWYX7ZMB • Category: Marine/Air Band Radio Antennas

Frequently Asked Questions

What is the primary function of the Airmar M135M transducer?

The Airmar M135M transducer provides depth indication and fish detection capabilities, operating within a frequency range of 85 to 135 kHz for both shallow and deeper water environments.

What type of hull is this transducer suitable for?

This transducer is specifically tailored for smaller boats with solid fiberglass hulls. It is also optimal for both planing and displacement hulls.

What is included with the Airmar M135M transducer?

The M135M includes a lightweight plastic transducer and a mounting base. The mounting base is designed to be filled with non-toxic antifreeze to ensure maximum efficiency.

What is the maximum depth capability of this transducer?

The Airmar M135M transducer can detect fish at depths of up to 457 meters (1500 feet).

M135C-M-9N - Airmar M135M Medium Chirp In-Hull Transducer

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