Humminbird Helix 7 Chirp Mega SI GPS G4N

Product Information


  • Humminbird® Basemap provides a clear view of underwater terrain allowing you to identify buoys, day markers, hazards, contours, depth markings and more
  • CHIRP digital sonar allows you to view details that other forms of sonar won't show that are engineered to help you see individual fish, clearly identify bait and structure, and reach greater depths and range
  • CHIRP digital sonar processing of side imaging sonar creates side views of the boat for clear imagery of fish and surrounding area
  • Dual Spectrum CHIRP 2D sonar is powered by Low-Q CHIRP transducer to offer two different search options: Narrow mode for focusing on small details and Wide Mode for all-out coverage


  • AutoChart LIVE create real-time maps of your fishing spots, map depth contours, bottom hardness, and vegetation as you drive your boat, with eight hours of built-in recording time
  • Humminbird® and internal GPS includes charts of over 10,000 lakes with coastal coverage for the continental U.S.
  • Precision GPS gives more accurate waypoints and boat position due to accurate position fix for a better fishing experience
  • AIS tracks other vessels for easy navigation of high-traffic areas and low-visibility waters
  • Humminbird® Autopilot® maintains turn patterns and desired route regardless of weather conditions and speed
  • Smartstrike™ cards combine high definition LakeMaster® lake map data for extensive algorithms for easy location of fish and patterns during each season


  • One-Boat network compatibility seamlessly integrates and communicates with other Humminbird® and Minn Kota® products to unlock more features and capabilities for anglers everywhere
  • Provides ethernet networking to easily connect multiple fish finders, or upgrade to add-on technologies like Minn Kota i-Pilot Link and Humminbird CHIRP Radar
  • Equipped with Bluetooth connectivity
  • User-friendly menu system with pre-loaded views and softkey controls for easy and reliable operation in any conditions
  • Built in NMEA 2000 networking for peak boat performance and prompt weather and water condition updates


  • Includes transom-mount transducer, control head, gimbal mounting bracket, power cable, and mounting hardware
  • Single slot SD slot for easy transfers
  • High-definition display for clear imagery
  • Brand : Humminbird
  • Country of Origin : Imported
  • SKU: 26391995


Display Size- Diagonal7"
Display Pixel Matrix1024H x 600V
Sonor StandardDual Spectrum CHIRP, MEGA Down Imaging, MEGA Side Imaging
Sonar-Coverage20°, 42°, 60° & (2) 86° @ -10dB
Sonar-Optional53 kHz, 50/Low Airmar CHIRP
CHIRP - Frequencies Supported83/200 (75-155/130-250 kHz), Full Mode (150-220 kHz), Narrow Mode (180-240 kHz), Wide Mode (140-200 kHz)
Sonar-Frequencies Supported50/83/200/455/800 kHz & 1.2 MHz
Depth-Sonar1,200 ft (standard transducer), 3,500 ft (optional 50 kHz)
CHIRP - Imaging-Frequencies Supported455 kHz (440-500 kHz), MEGA DI (1075-1150 kHz), MEGA SI (1075-1150 kHz)
Depth-Down Imaging400 ft (455 kHz), 75 ft (MEGA)
Range-Side Imaging (Side-To-Side)800 ft (455 kHz), 250 ft (MEGA)
InterfaceKeypad Control
FeaturesBuilt In GPS, Built In Mapping, Dual Spectrum CHIRP, Down Imaging, Side Imaging, MEGA Imaging, MEGA Live Imaging, Bluetooth, Networking, Wi-Fi
Memory Card SlotDual Micro SD
Compatible WithAIS, AutoPilot, Minn Kota US2 Sonar, Minn Kota Built-In MEGA DI, MEGA Live, One-Boat Network, Minn Kota i-Pilot Link, Minn Kota Talon/Raptor, NMEA 2000, Radar
Power Draw800 mA
Power Input10.8-20 VDC
Power Output Peak-to-Peak4000 Watts
Power Output RMS500 Watts
Screen Snap ShotIncluded
Sonar RecordingIncluded
Mount-Standard Size10.54" W x 5.8" H x 3.68" D
Mount-Optional Size10.54" W x 5.44" H x 1.13" D
Transducer Mount LocationTransom
GPS ChartplottingIncluded
GPS TrackplottingIncluded
LakeMaster CompatibilityYes
Coast Master CompatibilityYes
Navionics Gold/HotMaps CompatibilityYes
Navionics Platinum + CompatibilityYes
Platinum CompatibilityYes
Heading Sensor GPS CompatibilityYes
Upgradable SoftwareYes
View Preset KeysYes
X-Press Menu SystemYes
Custom Digital ReadoutYes
Custom View SelectionsNo
Display Colors Grayscale16-Bit
Display Size5" - 7"
TemperatureBuilt in
Temperature AlarmYes
Temperature GraphYes
Transducer IncludedXNT 9 HW MSI 150 T
HDMI CompatibleNo
MEGA Live CompatibilityYes