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Humminbird Helix 8G4N CHIRP Mega SI+
  • Humminbird Helix 8G4N CHIRP Mega SI+

Humminbird Helix 8G4N CHIRP Mega SI+


The HELIX 8 CHIRP GPS G4N Mega SI+ has an 8-inch screen, a CHIRP Dual Spectrum sounder and a GPS.

€1,026.73 Save €139.10
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38 years of experience in exotic fishing


The HELIX 8 CHIRP GPS G4N features an 8" display, Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models, this HELIX 8 includes standard features such as AutoChart Live, Wi-Fi and NMEA 2000®, in addition to Bluetooth® and Ethernet networking for compatibility with the One-Boat Network™ family of products from Humminbird, Minn Kota and Cannon.

  • Keypad control: Master HELIX at the touch of a button. Access the preloaded views from the user-friendly menu system, operated by soft key controls that allow you to reliably operate your fish finder in any conditions.
  • Dual Spectrum CHIRP sonar: Before you cast, know what's down there thanks to highly-detailed fish arches and a clear view of fish-holding structure and the bottom. Powered by our proprietary, Low-Q CHIRP transducer, Dual Spectrum offers two ways to search; Wide Mode for maximum coverage and Narrow Mode for focusing on the slightest detail.
  • Internal GPS and Humminbird Basemap: Our enhanced basemap provides you with a clear view of underwater terrain and surrounding points of interest so you can fish and navigate with total confidence. Identify buoys, day markers, hazards, marinas, contours, depth markers and much, much more. Includes charts of more than 10,000 lakes, plus coastal coverage for the continental U.S.
  • Premium Chart Compatible: Humminbird provides the most complete offering of premium chart options to anglers everywhere. Get a complete view of the world below with optional charts from Humminbird's LakeMaster® and CoastMaster™ products, as well as your choice of compatible Navionics® charts.
  • AutoChart Live: Create real-time maps of your fishing spots, with access to patented Humminbird® LakeMaster® features. Map depth contours, bottom hardness and vegetation as you drive your boat. Comes standard with eight (8) hours of built-in recording time and is compatible with AutoChart Zero Line SD cards for virtually-endless AutoChart Live mapping capacity.
  • One-Boat Network Compatible: Many Humminbird models seamlessly integrate and communicate with Minn Kota and Cannon products to unlock more features and capabilities for anglers everywhere. Make the more of your time on the water with the exclusive boat control and fish-catching features of the One-Boat Network.
  • Ethernet Networking: High-speed Ethernet allows you to build a powerful, professional-grade fishing system. Easily connect multiple fish finders, or upgrade to add-on technologies like Minn Kota i-Pilot Link and Humminbird CHIRP Radar.
  • Bluetooth: Take control right from the screen of your Humminbird with wireless communication to compatible Talon and Raptor shallow water anchors, as well as Cannon Optimum downriggers. Additional features include wireless software updates from the Humminbird FishSmart App and display of smart phone notifications on your Humminbird.
  • NMEA 2000 networking built-in: Connect an accessory NMEA 2000 network to your control head for even more information; from boat performance to weather and water conditions, make sense of it all with NMEA 2000 networking.
  • Includes control head, transom mount transducer and mounting hardware, power cable, gimbal mounting bracket.
Product Details

Data sheet

Characteristics of the probe
DUAL SPECTRUM / Narrow Mode 180-240 kHz & Wide Mode 140-200 kHz MEGA DI+ (1100-1200 kHz) MEGA SI+ (1050-1175 kHz)
screen diagonal
Recessed dimensions
305x168x34 mm
Dimensions on a support
305x178x105 mm
Separation of the targets
6,5 cm
Water Temperature
Supply Voltage
10 - 20 Vcc external

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Humminbird Helix 8G4N CHIRP Mega SI+

Humminbird Helix 8G4N CHIRP Mega SI+

The HELIX 8 CHIRP GPS G4N Mega SI+ has an 8-inch screen, a CHIRP Dual Spectrum sounder and a GPS.

Write your review
Features of the versions
Product Version Stock Price (tax excl.)
Humminbird Helix 8G4N CHIRP Mega SI+ H8G4NCMSI+TA bookmark_border
1026.73 €
Humminbird Helix 8G4N CHIRP Mega SI+ H8G4NCMSITANavionics26GMap bookmark_border
1138.4 €
Humminbird Helix 8G4N CHIRP Mega SI+ H8G4NCMSI+TP bookmark_border
1110.07 €

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