Humminbird XFM 9 20 Dual Beam Flush Mount Plastic Thru-Hull Transducer
Humminbird XFM 9 20 Dual Beam Flush Mount Plastic Thru-Hull Transducer — Product description
Discover Superior Sonar Performance with the XFM 9 20 Transducer
Anglers and boaters who demand precision on the water know that a reliable transducer is the heart of any fish finder system. The Humminbird XFM 9 20 Dual Beam Flush Mount Plastic Thru-Hull Transducer stands out by delivering crystal-clear sonar images from beneath your hull, even in choppy conditions. Its low-profile design minimizes drag while providing dual-frequency coverage—83 kHz for wide-area scanning and 200 kHz for detailed narrow views. Whether you're chasing trophy bass in shallow bays or tracking schools in deeper waters, this transducer ensures you never miss a target.
Crafted from durable plastic, it mounts flush through the hull without needing a fairing block, making it a smart upgrade for fiberglass boats. The 7-pin connector integrates seamlessly with Humminbird units, and the generous 30-foot cable offers flexible routing options during installation.
Key Features That Set It Apart
- Dual Beam Technology: Combines a 60-degree wide beam at 83 kHz for broad coverage with a 20-degree narrow beam at 200 kHz for pinpoint accuracy—perfect for spotting structure, baitfish, and game fish.
- Flush Mount Design: Shaft diameter of 2 inches, bottom diameter of 3 inches, and just 0.2 inches below the hull for a sleek, hydrodynamic profile that won't disrupt your boat's performance.
- Robust Build: Engineered for harsh marine environments, from saltwater corrosion to freshwater impacts, ensuring long-lasting reliability.
- Extended Cable Reach: 30 feet of cable provides ample length for clean, hidden routing to your display unit.
- Made in the USA: Backed by Humminbird's commitment to quality manufacturing and a limited 1-year warranty.
Why Boaters Trust This Thru-Hull Transducer
In real-world use, the XFM 9 20 shines by balancing coverage and detail. The wide beam excels at quickly mapping large areas, helping you locate fish-holding spots like drop-offs or weed beds. Switch to the narrow beam, and you'll get high-resolution separation of individual fish from bottom clutter—crucial during high-speed trolling or when finesse matters most.
Unlike transom-mount options that suffer from turbulence, this thru-hull setup sends clean signals directly through the hull, reducing noise and interference. It's especially valuable on stepped hulls or planing boats where consistent bottom tracking is non-negotiable. Boaters report fewer false readings and sharper arches, leading to more successful outings.
Seamless Installation for DIY Enthusiasts
Installing a thru-hull transducer might sound intimidating, but the XFM 9 20 simplifies the process. Select a flat hull section forward of the propeller, drill a precise hole matching the 2-inch shaft, and bed it with marine sealant for a watertight seal. No fairing block means fewer parts to align, and the plastic housing resists cracking during tightening.
Pro tips: Dry-fit everything first, aim the transducer face straight down (use a level), and route the cable away from engines or bilge pumps to avoid interference. Pair it with your Humminbird unit's auto-charting features for immediate results—many users are up and running in under an hour.
Perfect Compatibility Across Humminbird Lineups
This versatile 7-pin transducer works flawlessly with popular models like HELIX 5, HELIX 7, and HELIX 9 series, as well as PiranhaMAX units. It also supports legacy systems from the 300, 500, 600, 700, 800, 900, and 1100 series, breathing new life into older setups. Always verify your unit's transducer port matches for plug-and-play ease.
Maintenance and Longevity Tips
To keep your XFM 9 20 performing at peak, rinse it with fresh water after saltwater trips and inspect the hull seal seasonally. Avoid antifouling paints on the face to prevent signal attenuation. In storage, coil the cable loosely and keep it dry. With proper care, it'll deliver season after season of dependable sonar data.
Frequently Asked Questions
What frequencies does the Humminbird XFM 9 20 transducer support?
It operates on dual frequencies: 83 kHz with a 60-degree beam for wide coverage and 200 kHz with a 20-degree beam for detailed narrow scanning.
Is a fairing block needed for installation?
No, this flush-mount design eliminates the need for a fairing block, simplifying setup on most hull types.
What's the cable length on this transducer?
It comes with a 30-foot cable, giving you plenty of flexibility for routing to your fish finder display.
Can I use this on saltwater boats?
Yes, its rugged plastic construction handles harsh marine environments, including saltwater, with proper rinsing after use.
Which Humminbird models is it compatible with?
It's designed for HELIX 5/7/9, PiranhaMAX, and various discontinued series like 300 through 1100, via the 7-pin connector.
How much does it protrude below the hull?
Only 0.2 inches, maintaining a low profile to reduce drag and vulnerability.
What's the warranty coverage?
It includes a limited 1-year warranty from Humminbird, covering manufacturing defects.
Humminbird has built its reputation by designing and manufacturing top quality, thoroughly reliable marine equipment. Your Humminbird is designed for trouble-free use in even the harshest marine environment. We encourage you to read this manual carefully in order to get the full benefit from all the features and applications of your Humminbird product.
Humminbird 7101811 Attributes
- Mounting Location: Hull Mount
- Number Of Pins: 7 Pin
- Frequency Range: 83/ 200 kHz Beam Frequency
- Supported Angle: 60/ 20 Degree Beam Angle
- Cable Length: 30 Feet
Humminbird 7101811 Features & Benefits
- Plastic Flush Thru Hull
- Designing And Manufacturing Top Quality, Thoroughly Reliable Marine Equipment
- Designed For Trouble-Free Use In Even The Harshest Marine Environment
- Made In USA
- Limited 1 Year Warranty
Humminbird 7101811 Installation Instructions
Humminbird 7101811 Warranties
Humminbird 7101811 Technical Bulletins
- 532651-1EN_A Transducer Resource Guide.pdf
- 530759-2_E Flush Mount Transducer Installation Guide.pdf
- 532651-1EN_A Transducer Resource Guide.pdf
XFM 9 20 Dual Beam Flush Mount Plastic Thru-Hull Transducer
Features:
- Plastic flush mount thru the hull transducer
- Dual Beam, 20/60 degree, 200/83kHz
- Shaft diameter: 2", Bottom diameter: 3", Depth: 0.2" (below hull)
- Cable Length: 20'
- No fairing block required
Compatibility:
- Current Series HELIX 5, HELIX 7, HELIX 9, PiranhaMAX
- Discontinued Series 1100 Series, 300 Series, 500 Series, 600 Series, 700 Series, 800 Series, 900 Series
WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
The sensor mount is flush with the hull, no fairing is needed, and it extends 0.2 inches from the hull. Sonar coverage: 20/60°, working frequency: 200/83 kHz. Humminbird does not need a fairing to maintain a proper angle of use. It does not require a fairing to keep the device low and low. Once installed in a single hole in the hull, it can only form a deep protrusion of 3 width by 0.2 . The sensor is made of plastic, and its service life is longer than that of metal parts that will corrode over time; the sensor has dual sonar coverage angles and frequencies, so you can choose between wide and narrow echoes according to the angle. It may cause damage during launching and tugboat. It is not recommended to use it on tugboat.
SKU: NVN-57832
MPN: 710181-1
UPC: 082324506611
Technical specifications
| Brand | Humminbird |
| Model | Humminbird XFM 9 20 Dual Beam Flush Mount Plastic Thru-Hull Transducer |
| SKU / MFR# | 57832 |
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