Meet the Humminbird HELIX7 CHIRP MDI GPS G4, a high-performance fish finder designed to help you locate, analyze, and capture more fish. With MEGA Down Imaging, Dual Spectrum CHIRP sonar, AutoChart Live mapping, and a built-in GPS with Humminbird Basemap, this 7" Helix display delivers sharp, detailed underwater views and reliable navigation in one rugged package.
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MEGA Down Imaging: Unprecedented underwater clarity with coverage down to 125 feet, delivering up to 3X more detail than standard Down Imaging so you can clearly see structure, vegetation, and potential fish-holding spots.
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Dual Spectrum CHIRP Sonar: Two CHIRP search modes in one transducer—Wide Mode for maximum coverage and Narrow Mode for pinpoint detail. Enjoy highly-detailed fish arches and a clear view of bottom structure using our Low-Q CHIRP technology.
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Internal GPS and Basemap: Built-in mapping provides a clear view of underwater terrain and points of interest. Includes charts for more than 10,000 lakes and coastal coverage for the continental U.S., with premium chart options from LakeMaster, CoastMaster, and Navionics compatibility.
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AutoChart Live: Create real-time maps of your fishing spots with depth contours, bottom hardness, and vegetation as you drive. Comes with eight hours of built-in recording time and supports AutoChart Zero Line SD cards for virtually endless mapping capacity.
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Premium 7" HD Display: Upgraded high-definition screen with multiple pre-loaded split-screen views so you can monitor sonar, mapping, and GPS at a glance—ensuring you never miss a fish.
Designed for anglers who demand performance, the HELIX 7 CHIRP MEGA DI GPS G4 combines advanced imaging with robust navigation and mapping capabilities. Power up your fishing with clearer imagery, smarter mapping, and reliable GPS navigation—all in one compact, easy-to-use package.
| Display Size - Diagonal |
7" |
| Display Pixel Matrix |
Display Pixel Matrix |
| Sonar-Standard |
Dual Spectrum CHIRP, MEGA Down Imaging |
| Sonar-Coverage |
20°, 42°, 60° & (2) 86° @ -10dB |
| Sonar-Optional |
53 kHz, 50/Low Airmar CHIRP |
| CHIRP - Frequencies Supported |
83/200 (75-155/130-250 kHz), Full Mode (150-220 kHz), Narrow Mode (180-240 kHz), Wide Mode (140-200 kHz) |
| Sonar-Frequencies Supported |
50/83/200/455/800 kHz & 1.2 MHz |
| Depth-Sonar |
1,200 ft (standard transducer), 3,500 ft (optional 50 kHz) |
| CHIRP - Imaging-Frequencies Supported |
455 kHz (440-500 kHz), MEGA DI (1075-1150 kHz) |
| Depth-Down Imaging |
400 ft (455 kHz), 75 ft (MEGA) |
| Range-Side Imaging (Side-To-Side) |
NA |
| Interface |
Keypad Control |
| Features |
Built In GPS, Built In Mapping, Dual Spectrum CHIRP, Down Imaging, MEGA Imaging |
| Memory Card Slot |
Single Micro SD |
| Compatible With |
AIS, AutoPilot, Minn Kota US2 Sonar, Minn Kota Built-In MEGA DI |
| Power Draw |
800 mA |
| Power Input |
10.8-20 VDC |
| Power Output Peak-to-Peak |
4000 Watts |
| Power Output RMS |
500 Watts |
| Screen Snap Shot |
Included |
| Sonar Recording |
Included |
| Mount-Standard |
Gimbal |
| Mount-Standard Size |
10.54" W x 5.8" H x 3.68" D |
| Mount-Optional Size |
10.54" W x 5.44" H x 1.13" D |
| Transducer Mount Location |
Transom |
| GPS Chartplotting |
Included |
| GPS Trackplotting |
Included |
| LakeMaster Compatibility |
Yes |
| Coast Master Compatibility |
Yes |
| Navionics Gold/HotMaps Compatibility |
Yes |
| Navionics Platinum + Compatibility |
Yes |
| Platinum Compatibility |
Yes |
| Heading Sensor GPS Compatibility |
Yes |
| Upgradable Software |
Yes |
| View Preset Keys |
No |
| X-Press Menu System |
Yes |
| Custom Digital Readout |
Yes |
| Custom View Selections |
No |
| Display Colors Grayscale |
16-Bit |
| Temperature |
Built In |
| Temperature Alarm |
Yes |
| Temperature Graph |
Yes |
| Transducer Included |
XNT 9 HW MDI 75 T |
| HDMI Compatible |
No |
| MEGA Live Compatibility |
No |
