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Hardware > Tools > Measuring Tools & Sensors > TransducersHumminbirdSold by Humminbird Johnson Outdoors
XNT 9 HW MSI 150 T - HELIX 7 MEGA SI, DI, Dual Spectrum CHIRP w/Temp Transom Transducer
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$239.99
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SKU: 1103420
Overview
This transom-mount transducer is designed for anglers using compatible HELIX 7 CHIRP MEGA SI GPS G3 and G3N units who want MEGA Down Imaging, Dual Spectrum CHIRP 2D sonar, and temperature data in one setup. It supports 455 kHz and 1.2 MHz imaging along with a CHIRP range of 150–220 kHz, giving it a focused role in sonar and imaging applications rather than general-purpose use. The included built-in temperature feature adds another layer of on-water information for reading conditions. It is a practical choice for boat-mounted installations where compatibility and sonar capability are the main priorities.
Why Hunters Choose the Humminbird
Transom-mount Design
Suits compatible HELIX 7 CHIRP
Supports Mega
Down Imaging for detailed sonar
Includes Dual
150–220 kHz range
Built-in Temperature
Sensor adds water temperature data
Compatible Helix
HELIX 7 CHIRP MEGA SI
Key Features
- Transom-mount transducer for HELIX 7 CHIRP MEGA SI GPS G3 and G3N units.
- Supports MEGA Down Imaging, 455 kHz, and 1.2 MHz sonar frequencies.
- Dual Spectrum CHIRP 2D sonar with a 150–220 kHz CHIRP range.
- Includes built-in temperature sensing.
- Designed for use with compatible HELIX 7 MEGA SI, DI systems.
Best Used For
- Owners of compatible HELIX 7 CHIRP MEGA SI GPS G3 units needing a transom-mounted transducer replacement
- Anglers wanting MEGA Down Imaging and Dual Spectrum CHIRP 2D sonar in one setup
- Boat users who want built-in water temperature readout from the transducer
- Installations where a transom mount is preferred over other mounting styles
- Users matching existing HELIX 7 CHIRP MEGA SI GPS G3 or G3N systems
Specifications
| Chirp Range | 150-220kHz |
|---|---|
| Compatibility | HELIX 7 CHIRP MEGA SI GPS G3, HELIX 7 CHIRP MEGA SI GPS G3N |
| Imaging | MEGA Down Imaging |
| Mount Type | Transom Mount |
| Sonar Frequencies | 455 kHz and 1.2 MHz |
| Sonar Type | Dual Spectrum CHIRP 2D Sonar |
| Temperature Sensor | Built-in temperature |
Pros
- Transom-mount design suits compatible HELIX 7 CHIRP MEGA SI GPS G3 units.
- Supports MEGA Down Imaging for detailed sonar viewing options.
- Includes Dual Spectrum CHIRP 2D sonar with 150–220 kHz range.
- Built-in temperature sensor adds water temperature data.
- Compatible with HELIX 7 CHIRP MEGA SI GPS G3 and G3N models.
Considerations & Trade-offs
- Transom-mount installation means fitment depends on your boat’s transom setup and available mounting location.
- This transducer is listed for HELIX 7 CHIRP MEGA SI GPS G3 and G3N units, so compatibility should be checked against the exact display model before purchase.
- The sonar package combines MEGA Down Imaging, Dual Spectrum CHIRP 2D sonar, and built-in temperature, but it does not include a display unit.
- Because the listing only specifies sonar frequencies and compatibility, other physical details such as cable length, dimensions, and mounting hardware should be verified separately if they matter to your setup.
Suggested Comparisons
- Transom-mount transducers
- Down imaging sonar accessories
- CHIRP sonar transducers
- Fish finder compatibility accessories
Suggested Accessories
- Transom mount hardware
- Sonar display unit
- Marine wiring accessories
- Protective screen cover
Frequently Asked Questions
What units is this transducer compatible with?
It is listed as compatible with HELIX 7 CHIRP MEGA SI GPS G3 and HELIX 7 CHIRP MEGA SI GPS G3N.
What sonar features does it support?
The product description lists MEGA Down Imaging, 455 kHz and 1.2 MHz, and Dual Spectrum CHIRP 2D Sonar with a CHIRP range of 150-220 kHz.
Is this a transom-mount transducer?
Yes. The source data identifies it as a transom mount transducer.
Does it include temperature sensing?
Yes. The description says it includes built-in temperature.
What should I know before buying this transducer?
It is specified for the listed HELIX 7 compatible models and includes the sonar features and built-in temperature noted in the product data. Other details such as dimensions, materials, and installation hardware are not provided in the source information.