Meet the Humminbird HELIX7 CHIRP MDI GPS G4, a versatile fish finder that blends advanced imaging, mapping, and navigation in a rugged 7" display—designed for anglers who want clearer underwater views and reliable guidance on the water.
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Display: 7" Premium HD display with multiple pre-loaded split-screen views for sonar, mapping, and GPS at a glance.
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Imaging: MEGA Down Imaging delivers up to 3x more detail with coverage down to 125 ft, revealing structure, vegetation, and potential fish-holding spots more clearly.
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Sonar Technology: Dual Spectrum CHIRP Sonar provides Wide Mode for broad coverage and Narrow Mode for detail using Low-Q CHIRP technology.
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GPS & Mapping: Built-in GPS with Basemap, plus charts for more than 10,000 lakes and US coastal coverage; compatibility with LakeMaster, CoastMaster, and Navionics premium options.
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AutoChart Live: Real-time maps of fishing spots with depth contours, bottom hardness, and vegetation; eight hours of built-in recording and support for AutoChart Zero Line SD cards.
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Storage: Single Micro SD memory card slot for data and chart storage.
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Depth Range: 1,200 ft with standard transducer; up to 3,500 ft with an optional 50 kHz transducer.
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Down Imaging Depth: 400 ft at 455 kHz; 75 ft with MEGA Down Imaging.
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Power & Performance: 10.8–20 VDC power input; 800 mA draw; peak-to-peak 4,000 Watts; RMS 500 Watts.
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Compatibility: Works with AIS, AutoPilot, Minn Kota US2 Sonar, and Minn Kota Built-In MEGA DI.
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Mounting & Size: Standard Gimbal mount; dimensions 10.54" W x 5.8" H x 3.68" D.
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Extras: Screen Snap Shot included; Sonar Recording included.
This combination of imaging power, expansive mapping, and reliable navigation helps you pinpoint structure and cover, plan routes, and map productive spots in real time. The HELIX7’s MEGA Down Imaging reveals more detail of underwater features, while Dual Spectrum CHIRP delivers both broad coverage and precise detail. AutoChart Live lets you create personalized maps with depth contours, bottom hardness, and vegetation data as you fish, with eight hours of onboard recording and compatibility with premium chart providers to expand your mapping options. Built-in Basemap covers thousands of lakes and US coastal areas, and optional premium charts from LakeMaster, CoastMaster, or Navionics open up even more navigation and fishing possibilities. All of this is housed in a compact, durable 7" display that’s easy to install and operate on any boat, with a single Micro SD slot to keep data and charts organized.
| 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 |