B285C-M-MM - Airmar B285M Single Band CHIRP Thru-Hull Transducer | Aztek Computers
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SKU: R52QMRJMFF |  Mfg. Part: B285C-M-MM  | UPC: 801769002270  | 
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B285C-M-MM - Airmar B285M Single Band CHIRP Thru-Hull Transducer

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Product Overview

AIRMAR B285M Single Band CHIRP Thru-Hull Transducer
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Experience enhanced underwater visibility with the AIRMAR B285M Single Band CHIRP Thru-Hull Transducer designed for saltwater usage. This high-performance transducer operates in the medium frequency range of 85 to 135 kHz, making it ideal for targeting fish in deeper waters up to 1,500 feet. Its advanced Chirp technology allows for impressive clarity and precision in distinguishing between fish and structure beneath your boat, providing unrivaled performance while fishing or navigating.

With a fairing designed for improved broadband performance at speeds exceeding 30 knots, the B285M is perfect for both avid anglers and serious mariners. Easily switch between wide and narrow beams by setting presets for 85 kHz and 135 kHz, enhancing both scouting and precise location of underwater features.


Expert Overview

The Airmar B285C-M-MM is a single-band CHIRP thru-hull transducer designed for saltwater environments. It operates within a medium frequency range of 85 kHz to 135 kHz, suitable for identifying fish and structures in deeper waters up to 1,500 feet (457 meters). This transducer provides depth sensing and fast-response water temperature data. Its 1 kW power and 50 kHz total bandwidth contribute to clear bottom detail and target separation, particularly in shallow to mid-depth areas. The unit features a durable bronze housing, making it compatible with fiberglass or wood hulls on both planing and displacement vessels. A fairing is included to maintain broadband performance at speeds exceeding 30 knots. This product is recommended for boats 25 feet (8 meters) and up, offering utility for both fishing and navigation.

Technical Specifications

  • Depth sensing and fast-response water-temperature sensor
  • 1 kW power with a maximum depth capability of 457 m (1500')
  • Medium Frequency: 85 kHz to 135 kHz with a beamwidth of 16° to 11°
  • 50 kHz total bandwidth for broad coverage
  • Exceptional performance in shallow to mid-depth areas, providing clear bottom detail and target separation
  • Constructed with a durable bronze housing suitable for both planing and displacement hulls in fiberglass or wood
  • Recommended for boats 8 m (25') and up
  • Transducer options include transom-mount (TM185M) and in-hull (M135M) variants
  • Utilizes exclusive Xducer ID® technology

Product Details

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  • Airmar
  • B285C-M-MM
  • B0C834PHRD
  • 801769002270
  • New
  • 19.3 lbs
  • 25 X 7 X 19
  • Jul 21, 2026
  • Jun 14, 2021
Product Identifiers: Brand: Airmar • Part #: B285C-M-MM • UPC: 801769002270 • ASIN: B0C834PHRD • Category: Consumer Electronics

Frequently Asked Questions

What is the maximum depth capability of this transducer?

The Airmar B285C-M-MM transducer has a maximum depth capability of 1,500 feet (457 meters).

What type of hulls is this transducer compatible with?

This transducer is constructed with a durable bronze housing suitable for both planing and displacement hulls made of fiberglass or wood.

What is the recommended boat size for this transducer?

The Airmar B285C-M-MM is recommended for boats 8 meters (25 feet) and up.

Does this transducer provide temperature readings?

Yes, this transducer includes a fast-response water-temperature sensor in addition to depth sensing.

B285C-M-MM - Airmar B285M Single Band CHIRP Thru-Hull Transducer

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$1,351.28