B785C-M-HB - Airmar B785C Bronze Transducer Medium CHIRP With | Aztek Computers
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SKU: LITW59G1DD |  Mfg. Part: B785C-M-HB  | 
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B785C-M-HB - Airmar B785C Bronze Transducer Medium CHIRP With Humminbird 9-Pin

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$1,052.68  $1,421.12
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Product Overview

Airmar B785C Triducer Medium CHIRP with Humminbird 9-Pin Mix-N-Match Cable

Model: B785C-M-HB
  • Depth & fast-responDepth and fast-response water-temperature sensing
  • 600 W of power
  • Medium frequency: 80 to 130 kHz
  • 24° to 16° beamwidth
  • Maximum depth of 274 m (900')
  • 50 kHz of total bandwidth from one transducer
  • Covers popular fishing frequencies of 88 and 107 kHz plus everything else in the bandwidth
  • Medium frequency provides excellent shallow to mid-depth performance, bottom detail, and fish-target separation
  • Recommended for use on planing or displacement hull
  • Bronze housing with High-performance Fairing for optimal performance at higher speeds
  • Patented Xducer ID® technology

The B785M is an economical, Chirp-ready transducer designed for offshore fishing and freshwater anglers. Operating at a frequency range of 80 to 130 kHz, this transducer reveals fish in shallow, murky waters at medium depths up to 274 m (900') along with ultra-clear target resolution. A thru-hull, Chirp transducer perfectly suited for smaller fishing boats.

The included High-performance Fairing improves broadband performance at speeds over 30 knots (34 MPH).

Specifications
Cable-Length9 m (30ft)
Acoustic WindowUrethane
ConnectorAirmar 12-Pin (MMC)
Deadrise RangeUp to 24° with fairing
Display ConnectorHumminbird 9-Pin
Frequency BandMedium 80-130 kHz
Hole Size51 mm (2in)
Housing MaterialBronze
Max Depth274 m (900ft)
Medium Frequency Beamwidth24°-16°
Power Rating600 W
Single or Dual FrequencyCHIRP-Ready Single-Band
Usable Shaft Length121 mm (4.75")

What's in the Box:
  • B785C-M-MM Triducer
  • Fairing Block
  • Anti-rotation Bolt
  • MMC-HB cable



Expert Overview

The Airmar B785C Bronze Transducer is a thru-hull, CHIRP-ready unit designed for marine depth and water-temperature sensing. This 600W transducer operates within a medium frequency range of 80 to 130 kHz, offering 50 kHz of total bandwidth. It is suitable for both offshore and freshwater anglers, providing bottom detail and fish-target separation in depths up to 274 meters (900 feet). The B785C-M-HB model is specifically configured with a Humminbird 9-pin connector for compatibility with relevant display units. Its bronze housing and included high-performance fairing are intended for optimal performance on planing or displacement hulls, particularly at speeds exceeding 30 knots. The unit also features patented Xducer ID technology and requires a 51mm (2-inch) hole for installation. This transducer addresses the need for reliable underwater data acquisition in various fishing environments.

Product Details

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  • Airmar
  • B785C-M-HB
  • New
  • 5 lbs
  • 5 X 5 X 5
  • Today - Aug 02, 2026
  • Nov 24, 2025
Product Identifiers: Brand: Airmar • Part #: B785C-M-HB • Category: Marine/Air Band Radio Antennas

Frequently Asked Questions

What is the frequency range of this transducer?

This transducer operates within a medium frequency band of 80 to 130 kHz, providing 50 kHz of total bandwidth. It covers popular fishing frequencies such as 88 and 107 kHz.

What is included in the box with the B785C-M-HB transducer?

The box includes the B785C-M-MM Triducer, a fairing block, an anti-rotation bolt, and an MMC-HB cable for connection to Humminbird displays.

What type of hull is recommended for this transducer?

This transducer is recommended for use on planing or displacement hulls. The bronze housing and high-performance fairing are designed for optimal performance, including at higher speeds.

What is the maximum depth capability of this transducer?

The Airmar B785C transducer has a maximum depth capability of 274 meters (900 feet).

B785C-M-HB - Airmar B785C Bronze Transducer Medium CHIRP With Humminbird 9-Pin

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$1,052.68