Furuno

Furuno M260 In-Hull 1kW Transducer w/No Connector

SKU: 44670 · UPC: 611679310439 · MPN: 527ID-IHN
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02 · Overview

Furuno M260 In-Hull 1kW Transducer w/No Connector — Product description

Discover Superior Sonar Performance Without Drilling Your Hull

Imagine capturing crystal-clear underwater images while keeping your boat's hull pristine and sleek. The Furuno M260 in-hull transducer delivers that exact balance, blending high-power sonar capabilities with a hassle-free installation. Perfect for avid anglers and recreational boaters who prioritize performance without permanent modifications, this 1kW unit excels in solid fiberglass hulls, transmitting signals effectively through the structure for reliable fish detection and bottom tracking.

Dual-frequency operation at 50 kHz and 200 kHz provides versatility: the wider 19-degree beam at 50 kHz scans large areas for deep-water species, while the narrower 6-degree beam at 200 kHz offers pinpoint detail for structure and baitfish schools. With a depth capability reaching up to 2500 feet, it's built for serious offshore adventures, maintaining sharp returns even at speeds over 30 knots.

Key Advantages of In-Hull Mounting

Unlike thru-hull options that demand hull penetration, in-hull transducers like the M260 sit securely inside a custom tank filled with mineral oil or propylene glycol. This setup minimizes drag, preserves warranty integrity, and avoids potential leak risks. Bow-stern or port-starboard orientation flexibility ensures optimal signal paths regardless of hull shape, making it adaptable to various vessel designs from center consoles to cruisers.

  • Zero Hull Alterations: Adhesive mounting keeps exteriors smooth and hydrodynamic.
  • High-Speed Tracking: Stable performance at planing speeds for dynamic fishing scenarios.
  • Broadband Ceramics: Enhanced resolution and sensitivity across frequencies for lifelike sonar displays.

Unlocking Peak Performance on the Water

Crafted with Airmar's advanced broadband technology, this transducer powers up to 1000 watts, interfacing seamlessly with compatible echosounders. The seven-element 50 kHz array pairs with a high-resolution 200 kHz element, delivering detailed separation of targets—even in murky coastal waters. Boaters report exceptional bottom hardness discrimination, aiding in locating reefs, wrecks, and drop-offs with ease.

For trailerable boats, the 32.8-foot cable length offers ample reach, and the bare wire design allows custom integration into your existing wiring harness. It's a game-changer for multihull setups or vessels where external mounts aren't feasible, providing thru-hull-like clarity from within.

Effortless Installation and Long-Term Reliability

Setup starts with selecting a flat interior hull section, free from core materials or engines. The included kit features an innovative tank that couples the transducer acoustically to the hull, ensuring maximum energy transfer. Fill with the recommended fluid, secure with adhesive, and connect—often in under an hour for DIY enthusiasts.

Pro tips for best results: Fair the tank surface to match hull curvature, avoid air pockets during filling, and position away from strakes or thru-hulls that could cause interference. Regular checks on fluid levels and cable connections keep it performing flawlessly season after season, backed by robust construction that withstands vibration and temperature swings.

"Switched to in-hull after a thru-hull snag—night-and-day difference in ease and image quality. Tracks wrecks perfectly at 25 knots."

—Seasoned offshore angler

Enhance Your Fishing Experience

Whether chasing trophy tuna in deep blue or scouting shallows for flounder, the M260 elevates situational awareness. Its Transducer ID feature simplifies display setup on modern units, while the diplexer-free bare wire suits dedicated dual-channel systems. Pair it with CHIRP-enabled sounders for even finer target resolution, turning guesswork into precision strikes.

Beyond fishing, cruisers benefit from reliable depth and obstacle avoidance, making it a smart upgrade for safer navigation in unfamiliar anchorages.

Frequently Asked Questions

What hull types work best with the Furuno M260 in-hull transducer?

It's optimized for solid fiberglass hulls without coring. Avoid cored, wooden, or metal hulls, as they can attenuate signals and reduce performance.

How deep can this 1kW transducer detect targets?

Expect reliable bottom tracking up to 2500 feet, depending on water conditions, boat speed, and sounder settings. The 50 kHz frequency shines in deeper scenarios.

Does it support high-speed operation?

Yes, it maintains clear images at speeds exceeding 30 knots, ideal for trolling or searching vast areas without losing bottom lock.

What fluid should I use in the tank?

Mineral oil or propylene glycol-based non-toxic antifreeze. These provide acoustic coupling without hull damage; check levels annually.

Is wiring customization needed?

The bare wire end allows straightforward soldering or crimping to your sounder's harness. Match power, ground, and signal wires per your unit's manual.

Can it mount in different orientations?

Absolutely—the tank design supports forward-aft or athwartship placement, adapting to hull contours for the strongest signal path.

What beam angles does it offer?

19 degrees at 50 kHz for wide coverage and 6 degrees at 200 kHz for detailed narrow scans, providing balanced search and target ID.

For over 70 years, Furuno has been continuously imagining and creating new solutions, making new marine electronic equipment with the goal of offering both performance and simplicity for everyone. Not only for men and women who make a living on the seas, but also for those who simply want to enjoy the boating lifestyle. For them, Furuno has become synonymous with quality, performance and reliability.

Furuno 527IDIHN Attributes

  • Mounting Location: In-Hull Mount
  • Number Of Pins: Bare Wire
  • Depth: 2500 Feet
  • Power Rating: 1000 Watt
  • Frequency Range: 50/ 200 kHz
  • Supported Angle: 19/ 6 Degree Beamwidth
  • Cable Length: 32.8 Feet

Furuno 527IDIHN Features & Benefits

  • Plastic Transducer With In-Hull Mounting Kit
  • M260 Transducer With In-Hull Kit
  • 1,000 Watt Power
  • 19/6 Degree Beam Angles
  • Limited 3 Year Warranty

M260 In-Hull 1kW Transducer with No Connector

In-hull features, thru-hull performance.

Setting the In-Hull Standard
It's true! Excellent performance can be achieved from an in-hull mounted transducer. The M260, Airmar's 1 kW in-hull, is designed with Airmar's exclusive Broadband Ceramic Technology. The 200 kHz element provides
broadband performance resulting in higher resolution without sacrificing sensitivity. Combined with a seven-element 50 kHz array, this in-hull has excellent.

All-Out Fishfinding Performance!
Optimal fishfinder performance no longer requires drilling a hole in the hull! The M260 is able to transmit and receive through solid fiberglass while displaying sharp detailed images. Track the bottom at speeds exceeding 30 knots! Installation simply requires adhering the tank to the inside of the vessel, leaving a clean and smooth hull exterior!

Features
  • M260 Transducer with In-Hull Kit
  • 1,000 Watts Power
  • 50/200 kHz w/Diplexer
  • 19/6 degree Beam Angles
  • Interfaces to any 600W or 1kW echosounder
  • Recommended for solid fiberglass hulls
  • Innovative tank design allows for bow-stern or port-starboard mounting
  • Available with a diplexer for single transmission line fishfinders and without a diplexer for dual transmission line fishfinders
  • Mineral oil or non-toxic anti-freeze (propylene glycol) is used to fill the tank
  • Transducer ID™ feature


"FurunoIt operates at a frequency of 50\/200 k Hz with diplexer for single line transmission. The 527Id-Ihd uses Broadband Ceramic Technology resulting in higher resolution without sacrificing sensitivity. The M260 packs an 88mm (3.5\") ceramic at 200k Hz, and seven dedicated elements operating at 50k Hz."
SKU: NVN-44670
MPN: 527ID-IHN
UPC: 611679310439
03 · The numbers

Technical specifications

BrandFuruno
ModelFuruno M260 In-Hull 1kW Transducer w/No Connector
SKU / MFR#44670

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04 · Before you buy

Frequently asked questions

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05 · Customer voices

Customer reviews