Meet the Humminbird HELIX7 CHIRP MSI GPS G4 — a premium 7" fish finder built for serious anglers who demand crystal-clear underwater vision and reliable navigation. With MEGA Side Imaging and MEGA Down Imaging, it reveals more detail than standard sonars, so you can see fish, structure, and contours with confidence.
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Display: 7" diagonal display with 1024x600 pixel matrix; split-screen high-definition view; eight pre-loaded view options; keypad-controlled interface for precise, easy operation
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Imaging & Sonar: Dual Spectrum CHIRP with MEGA Side Imaging and MEGA Down Imaging for expansive, ultra-detailed views; imaging frequencies include MEGA SI (1075–1150 kHz) and MEGA DI (1075–1150 kHz) plus 455 kHz for traditional imaging
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Coverage & Angles: Side imaging range up to 800 ft (455 kHz) and 250 ft (MEGA); Down imaging to 75 ft (MEGA) or 400 ft (455 kHz); Sonar coverage options 20°, 42°, 60°, and two 86° @ -10 dB
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Depth & Transducer: Standard depth capability 1,200 ft; optional 3,500 ft with the 50 kHz transducer; CHIRP imaging supports 455 kHz, 83/200 kHz, and other modes for versatile performance
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GPS & Mapping Ecosystem: Internal GPS and Basemap built-in with markers for buoys, day markers, hazards, marinas, contours, and depth; charts for 10,000+ lakes and coastal U.S.; premium chart compatibility with LakeMaster®, CoastMaster™, and Navionics® charts; AutoChart Live real-time mapping of depth contours, bottom hardness, and vegetation
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Memory & Recording: Eight hours of built-in recording time; micro SD compatibility; AutoChart Zero Line for expansive mapping
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Power & Build: Interface: Keypad Control; Power Input: 10.8–20 VDC; Power Output Peak-to-Peak: 4000 Watts; Power Output RMS: 500 Watts; Power Draw: 800 mA
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Mounting & Form Factor: Mount-Standard: Gimbal; Dimensions: 10.54" W x 5.8" H x 3.68" D
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Compatibility & NMEA2000: CHIRP frequencies include Narrow Mode (180–240 kHz), 83/200 (75–155/130–250 kHz), Wide Mode (140–200 kHz), Full Mode (150–220 kHz); optional 50 kHz transducer support; NMEA2000: Not Supported
With MEGA imaging, you’ll gain edge-to-edge clarity across the water and deep below your boat, helping you locate fish-holding structure and bottom features faster. The built-in GPS and Basemap put navigation and underwater terrain awareness at your fingertips, while AutoChart Live real-time mapping lets you map and customize your favorite spots as you fish. A robust memory and recording setup ensures you can review trips and share mapping data, and the reliable keypad controls keep you confident in any conditions. This HELIX7 model blends advanced sonar technology with an intuitive user experience to elevate your fishing outings.
| Display Size - Diagonal |
7 in |
| Display Pixel Matrix |
1024H x 600V |
| Memory Card Slot |
Single Micro SD |
| Sonar-Standard |
Dual Spectrum CHIRP, MEGA Down Imaging, MEGA Side Imaging |
| Sonar-Coverage |
20°, 42°, 60° & (2) 86° @ -10dB |
| Sonar-Optional |
53 kHz, 50/Low Airmar CHIRP |
| CHIRP - Frequencies Supported |
Narrow Mode (180-240 kHz), 83/200 (75-155/130-250 kHz), Wide Mode (140-200 kHz), Full Mode (150-220 kHz) |
| Sonar-Frequencies Supported |
50/83/200/455/800 kHz & 1.2 MHz |
| Depth-Sonar |
3,500 ft (optional 50 kHz), 1,200 ft (standard transducer) |
| CHIRP - Imaging Frequencies Supported |
455 kHz (440-500 kHz), MEGA SI (1075-1150 kHz), MEGA DI (1075-1150 kHz) |
| Depth-Down Imaging |
75 ft (MEGA), 400 ft (455 kHz) |
| Range-Side Imaging (Side-To-Side) |
800 ft (455 kHz), 250 ft (MEGA) |
| Interface |
Keypad Control |
| Power Draw |
800 mA |
| Power Input |
10.8-20 VDC |
| Power Output Peak-to-Peak |
4000 Watts |
| Power Output RMS |
500 Watts |
| Mount-Standard Size |
10.54 in W x 5.8 in H x 3.68 in D |
| Mount-Standard |
Gimbal |
| Waypoints, Routes, Tracks/Points |
2,750, 47, 50/20,000 |
| NMEA2000 |
Not Supported |
| HDMI Compatible |
No |
