Airmar CHIRP In-Hull Transducers – M135C-M & M285C-HW with Garmin Connectors.

Variant Options

CHIRP Frequency:

• Medium (M135C-M)

• High-Wide (M285C-HW)

Connector Type:

• Garmin 12-Pin

• Garmin 8-Pin

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Model Numbers

• M135C-M-12G

• M135C-M-8G

• M285C-HW-12G

• M285C-HW-8G

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Description

Airmar’s in-hull CHIRP transducers offer powerful, high-resolution sonar without penetrating the hull—perfect for trailerable or lifted fiberglass boats up to 25’. Choose between medium CHIRP for deeper, detailed coverage or high-wide CHIRP for broader shallow-water scanning. Available with Garmin 12-pin or 8-pin Mix-N-Match cables.

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CHIRP Options Overview

M135C-M – Medium CHIRP

• Frequency Range: 85–135 kHz

• Beamwidth: 24°–16°

• Max Depth: 1,500 ft (457 m)

• Ideal for offshore and freshwater anglers

• 1 kW output, depth-only readings

• Urethane housing, eco-friendly antifreeze fill

• Adjustable for 2°–20° hull deadrise

• Includes: M135C transducer, M135 flange, MMC cable (8G or 12G)

M285C-HW – High-Wide CHIRP

• Frequency Range: 150–250 kHz

• Beamwidth: Fixed 25°

• Max Depth: 700 ft (215 m)

• Optimized for shallow/medium depths

• 1 kW output, depth-only readings

• Urethane housing, eco-friendly antifreeze fill

• Adjustable for 2°–20° hull deadrise

• Includes: M285C-HW transducer, MMC cable (8G or 12G)

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What’s in the Box

• Transducer (M135C-M or M285C-HW)

• Mounting Flange (M135C only)

• Garmin Mix-N-Match Cable (8G or 12G)

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