Humminbird HELIX 8® CHIRP MEGA DI GPS G4N

Discover Superior Fish-Finding Power with Advanced Sonar Imaging

Imagine gliding across the water, pinpointing fish and structure with crystal-clear detail right from your boat's helm. The HELIX 8 CHIRP MEGA DI GPS G4N delivers that edge, combining cutting-edge sonar technologies with intuitive navigation to transform your angling adventures. Anglers swear by its ability to reveal what's lurking below, from subtle bottom contours to schools of game fish, making every trip more productive and exciting.

Crafted for serious boaters and tournament pros, this unit stands out with its high-resolution imaging that outperforms traditional sonar. Whether you're chasing bass in shallow bays or walleye in deeper waters, it provides the real-time insights needed to outsmart your target species.

Master the Depths: MEGA Down Imaging and Dual Spectrum CHIRP

At the heart of this fish finder lies MEGA Down Imaging, offering three times the detail of standard down imaging. Coverage extends up to 125 feet beneath your vessel, unveiling razor-sharp photos of the underwater world—fish hovering near drop-offs, submerged timber, and rocky ledges all come into focus like never before.

• Live Action Viewing: MEGA Live brings dynamic motion to your screen, letting you watch fish react as your lure approaches.
• CHIRP Excellence: Dual Spectrum CHIRP sonar sweeps a broad frequency range, producing precise fish arches, enhanced structure definition, and accurate bottom composition. Switch between Wide Mode for broad scans or Narrow Mode for hyper-detailed targeting.

Powered by a low-Q CHIRP transducer, these tools minimize clutter and maximize separation, giving you confidence before dropping a line.

Effortless Navigation with Built-In GPS and Basemaps

Never lose your spot again. Internal GPS tracks your position with pinpoint accuracy, supporting up to 2,750 waypoints for marking honey holes and return trips. The Humminbird Basemap covers over 10,000 freshwater lakes and U.S. coastal areas, highlighting buoys, hazards, marinas, contours, and depth markers.

Upgrade seamlessly with premium charts like LakeMaster for shaded contours and depth highlights, or Navionics for even more detail. It's all about building custom maps that match your local waters perfectly.

Seamless Connectivity for a Unified Boating Experience

Build a pro-level system with Ethernet, Bluetooth, Wi-Fi, and NMEA 2000 integration. Link up with Minn Kota trolling motors, Cannon downriggers, and other One-Boat Network gear for hands-free control and synchronized features.

• AutoChart Live: Map contours, hardness, and vegetation in real-time—eight hours of onboard storage, expandable via Micro SD.
• Wireless Freedom: Update software via app, control anchors remotely, and view phone notifications without leaving the screen.
• Expand Your Setup: Add radar, AIS, or 360 Imaging for all-around awareness.

User-Friendly 8-Inch Display and Rugged Build

The vibrant 8-inch LCD (1024 x 600 pixels) shines bright even under direct sun, with keypad controls that feel natural in rough conditions. Fully waterproof and compact (12" x 7" x 4.13"), it mounts easily on any console. Soft keys and customizable menus keep operations quick and glove-friendly.

Real-World Benefits for Everyday Anglers

Boat owners report landing more fish faster, thanks to the unit's ability to differentiate species by behavior and habitat. Tournament anglers leverage its networking for spot-on trolling paths, while casual fishers enjoy hassle-free mapping of new lakes. Durability meets innovation, backed by a solid two-year warranty for peace of mind on the water.

Frequently Asked Questions

What makes MEGA Down Imaging better than standard sonar?

MEGA Down Imaging provides up to 3X more detail and covers depths to 125 feet, showing photo-like images of fish and structure for superior target identification.

Does this unit support custom mapping?

Yes, AutoChart Live lets you create real-time maps of depth, bottom hardness, and vegetation, with expandable storage via Micro SD cards.

How does the GPS and basemap help with navigation?

Built-in GPS offers precise positioning with 2,750 waypoints, while the Basemap details over 10,000 lakes and coastal areas, marking hazards, contours, and points of interest.

Is it compatible with other boating electronics?

Absolutely—Ethernet, Bluetooth, Wi-Fi, and NMEA 2000 connect to Minn Kota, Cannon, and more for a fully integrated One-Boat Network.

What's the display like for outdoor use?

The 8-inch high-resolution LCD is sunlight-readable, waterproof, and controlled via intuitive keypad for reliable performance in all weather.

Can I add premium charts to enhance functionality?

Yes, it's compatible with LakeMaster, CoastMaster, and Navionics charts for advanced contour shading, aerial views, and fishing algorithms.

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

Humminbird 4113401 Attributes

• Display Size: 8 Inch LCD
• Display Resolution: 1024 X 600 Pixels
• Overall Dimensions: 12 Inch Length X 7 Inch Height X 4.13 Inch Depth
• Sonar Compatibility: Dual Spectrum CHIRP Sonar
• With Built-In GPS: Yes
• Used To: Use To Find Fish And Identify Buoys/ Day Markers/ Hazards/ Marinas/ Contours/ Depth Markers
• Interface: Keypad
• Waterproof: Yes
• Point Of Interest: 2750 Waypoints
• SD Card Storage: Micro SD Card

Humminbird 4113401 Features & Benefits

• MEGA Live Delivers The Clarity And Detail Of MEGA Imaging In Live-Action, Allowing Anglers To See Fish And Structure In Real-Time
• MEGA Down Imaging Displays 3X The Output Of Standard Down Imaging
• CHIRP Stands For “Compressed High Intensity Radar Pulse”: By Covering A Wide Range Of Frequencies, CHIRP Produces More Accurate, More Detailed Returns Of Fish, Structure And The Bottom
• Dual Spectrum CHIRP Sonar: By Covering A Wide Range Of Frequencies, CHIRP Produces More Accurate, More Detailed Returns Of Fish, Structure And The Bottom
• Precision GPS Provides An Accurate Position Fix, Meaning More Accurate Waypoints And Boat Positioning For Better Fishing
• Humminbird Basemap: Based On Freshwater Data From LakeMaster And NOAA, These Maps Provide A Clear View Of Underwater Terrain
• LakeMaster Lake Maps Features Unrivaled, Easy-To-Read Contours, Highlighted Depth Ranges, Scrollable Lake Lists And More
• Maps Features All Of The Of LakeMaster With One Key Addition: Aerial Photography Of High Definition Lakes, Providing Visibility To Docks, Buildings, And Structure
• SmartStrike Cards Combine High Definition LakeMaster Lake Map Data And Extensive Search Algorithms To Help You Pattern And Locate Fish At Any Time Of The Year
• Limited 2 Year Warranty

Humminbird 4113401 Installation Instructions

• HUM_productmanual_IG_XNT_Metal_532239.pdf
• HUM_productmanual_HELIX_OPSTART_532403E.pdf
• HUM_productmanual_IG_HLX_9-10-12_532405.pdf
• HUM_productmanual_OPS_HELIX_SRS_532509E.pdf

Humminbird 4113401 Warranties

• Humminbird 2-Year Limited Warranty.pdf

HELIX 8® CHIRP MEGA DI GPS G4N 

The HELIX 8 CHIRP MDI GPS G4N features an 8" display, MEGA Down Imaging, 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. 

Features:

• 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 condition.
• MEGA Down Imaging: Get unprecedented underwater clarity with coverage down to 125 feet below your boat. You'll unlock new details with up to 3X more fish-finding detail than standard Down Imaging sonar.
• 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.
• 2-Year Limited Warranty

"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. MEGA Down Imaging: Get unprecedented underwater clarity with coverage down to 125 feet below your boat. You'll unlock new details with up to 3X more fish-finding detail than standard Down Imaging sonar. 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. 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."
SKU: NVN-85739
MPN: 411340-1
UPC: 082324055096