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Hardware > Tools > Measuring Tools & Sensors > TransducersHumminbirdSold by Humminbird Johnson Outdoors
XTM 9 HW MSI T - HELIX MEGA SI+, DI+, Dual Spectrum CHIRP w/ Temp, Trolling Motor Transducer
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$449.99
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SKU: 1102964
Overview
Built for anglers who want detailed sonar from a trolling motor setup, this transducer combines MEGA Side Imaging+ with Dual Spectrum CHIRP 2D sonar for a broad view of what’s below and to the sides. It supports MEGA Side Imaging+ at 800 kHz/455 kHz and 1.2 MHz, along with a CHIRP range of 150–220 kHz, giving it a versatile role in locating structure and fish. Built-in temperature adds another useful data point for on-the-water decision-making. This is a specialized option for compatible Humminbird HELIX systems where side imaging and CHIRP performance are priorities.
Why Hunters Choose the Humminbird
Trolling Motor
Mount design supports dedicated sonar
Mega Side
Imaging+ includes 800 kHz, 455
Dual Spectrum
CHIRP 2D sonar offers a
Built-in Temperature
Sensor adds an extra on-water
Humminbird Helix
MEGA SI+ compatibility is clearly
Key Features
- Trolling motor mount transducer for compatible Humminbird HELIX systems.
- MEGA Side Imaging+ sonar at 800 kHz, 455 kHz, and 1.2 MHz.
- Dual Spectrum CHIRP 2D sonar with a 150-220 kHz CHIRP range.
- Built-in temperature sensor included.
- Designed for trolling motor installation.
Best Used For
- Trolling-motor anglers needing MEGA Side Imaging+ and Dual Spectrum CHIRP sonar in one transducer setup.
- Boat operators who want built-in temperature readings while fishing from the trolling motor.
- Users running HELIX-compatible sonar systems that call for a trolling motor mount transducer.
- Anglers covering structure and open water with side imaging and 2D sonar from the bow.
Specifications
| Built In Temperature | Included |
|---|---|
| Dual Spectrum Chirp 2d Sonar | 150-220kHz |
| Mega Side Imaging | 800kHz/455 kHz and 1.2 MHz |
| Mount Type | Trolling Motor Mount |
Pros
- Trolling motor mount design supports dedicated sonar setup on the bow.
- MEGA Side Imaging+ includes 800 kHz, 455 kHz, and 1.2 MHz frequencies.
- Dual Spectrum CHIRP 2D sonar offers a 150–220 kHz CHIRP range.
- Built-in temperature sensor adds an extra on-water data point.
- Humminbird HELIX MEGA SI+ compatibility is clearly identified in the product title.
Considerations & Trade-offs
- Designed for a trolling motor mount, so it is not a universal transducer option for every boat setup.
- The sonar package is specialized for MEGA Side Imaging+ and Dual Spectrum CHIRP use, which may be more than needed if you only want basic 2D sonar.
- Built-in temperature is included, but no other sensor or accessory features are listed in the provided product data.
- Compatibility details beyond the HELIX MEGA SI+, DI+, Dual Spectrum CHIRP description are not provided here, so fit should be verified before purchase.
Suggested Comparisons
- Trolling motor transducers
- Side imaging transducers
- CHIRP sonar transducers
- Fish finder accessories
Suggested Accessories
- Trolling motor transducer mount
- Sonar cable management
- Transducer mounting accessories
- Fish finder power accessories
Frequently Asked Questions
What type of mount is this transducer designed for?
It is a trolling motor mount transducer.
What sonar features are listed for this model?
The listed features are MEGA Side Imaging+ at 800kHz/455 kHz and 1.2 MHz, plus Dual Spectrum CHIRP 2D Sonar with a CHIRP range of 150-220kHz.
Does this transducer include temperature sensing?
Yes. The product description says it includes built-in temperature.
Is this compatible with HELIX MEGA SI+, DI+, and Dual Spectrum CHIRP units?
The product title identifies it as a HELIX MEGA SI+, DI+, Dual Spectrum CHIRP trolling motor transducer. No additional compatibility details are provided in the source data.
What is the retail price listed for this transducer?
The listed retail price is $449.99.