Humminbird HELIX 9® CHIRP MEGA SI+ GPS G4N

Humminbird HELIX 9® CHIRP MEGA SI+ GPS G4N Product Description

Discover the Power of Crystal-Clear Waters with Advanced Sonar Technology

Imagine gliding across your favorite lake, spotting fish hiding in submerged brush or cruising along drop-offs before you even drop a line. The HELIX 9 CHIRP MEGA SI+ GPS G4N turns that vision into reality for serious anglers who demand precision and detail. This fish finder combines cutting-edge imaging sonar with intuitive controls, helping you locate structure, track baitfish schools, and pinpoint trophy catches with unmatched accuracy. Whether you're chasing bass in shallow coves or walleye in deeper waters, its high-resolution 9-inch display delivers vivid images that make every trip more productive.

Unlock MEGA Imaging+ for Unrivaled Detail and Range

MEGA Side Imaging+ and MEGA Down Imaging+ represent the pinnacle of sonar innovation, extending your view up to 200 feet on either side of your boat and straight down below. These technologies provide 20% sharper details than standard MEGA imaging, revealing fish that traditional sonar might miss amid weeds, rocks, or timber. Pair it with Dual Spectrum CHIRP, which sweeps multiple frequencies for hyper-accurate fish arches and bottom composition readings—switch between wide coverage for scouting or narrow focus for pinpoint targeting. Anglers report filling limits faster because they can interpret subtle movements in real-time, like a bass ambushing prey.

Seamless Navigation with Built-In GPS and Custom Mapping

Built-in GPS tracks your position flawlessly, marking up to 2,750 waypoints for those secret honey holes. The Humminbird Basemap offers detailed charts of over 10,000 inland lakes and coastal U.S. waters, highlighting contours, hazards, marinas, and depth changes. Take it further with AutoChart Live, which lets you generate personalized maps on the fly—recording depth, hardness, and vegetation as you motor along. Save hours of data internally or expand with a microSD card, then refine maps on your computer for future outings. This real-time mapping shines during tournaments, where adapting to changing conditions can make or break your day.

Effortless Control and Robust Build for Any Conditions

The keypad interface feels familiar yet responsive, with soft keys for quick access to views even with gloves on or in rough seas. Its waterproof design shrugs off splashes and spray, while the compact dimensions fit neatly on most consoles. Power it up, and the 1024 x 600 pixel display pops with brightness, ensuring readability under direct sunlight. From freshwater reservoirs to saltwater bays, this unit stands up to the elements while keeping operations simple for weekend warriors and pros alike.

Expand Your Setup with One-Boat Network Integration

Connect wirelessly via Bluetooth to control shallow water anchors or downriggers, or use Ethernet and NMEA 2000 for a full-system network. Link with compatible trolling motors for spot-on positioning, or add radar for safer navigation in fog. Wi-Fi enables software updates and smartphone notifications right on the screen. This ecosystem transforms your boat into a smart angling platform, where sonar data informs motor adjustments and accessory controls for hands-free efficiency.

What's Included to Get You Started Quickly

• HELIX 9 control head with gimbal bracket
• Transom-mount transducer and hardware
• Power cable for straightforward wiring

Everything arrives ready to mount and fish, minimizing setup time so you spend more hours on the water.

Pro Tips for Maximizing Performance

For best results, mount the transducer parallel to the waterline at the transom's lowest point to avoid air bubbles distorting images. Adjust sensitivity based on water clarity—lower in murk for cleaner returns—and experiment with imaging ranges during scouting runs. Regularly update firmware via Wi-Fi to access new features that keep your edge sharp. Many users pair it with high-definition chart cards for even richer lake-specific intel, turning average outings into record-breakers.

Frequently Asked Questions

What makes MEGA Side Imaging+ superior for finding fish?

MEGA Side Imaging+ offers crystal-clear views up to 200 feet on each side of your boat with 20% more detail, helping you spot fish near structures like brush piles or rock reefs that standard sonar overlooks.

Does the HELIX 9 have built-in GPS and mapping?

Yes, it includes internal GPS and Humminbird Basemap with charts for over 10,000 lakes and U.S. coastal areas, plus support for premium charts and real-time AutoChart Live mapping.

Is this fish finder waterproof and durable?

Absolutely, it's fully waterproof and built to withstand splashes, spray, and harsh marine environments, ensuring reliable performance trip after trip.

How does Dual Spectrum CHIRP improve fish detection?

Dual Spectrum CHIRP uses wide and narrow frequency sweeps for detailed fish arches, structure outlines, and bottom hardness readings, giving you clearer insights before casting.

Can I connect this unit to other boat electronics?

Yes, with Ethernet, Bluetooth, Wi-Fi, and NMEA 2000, it integrates seamlessly into the One-Boat Network for trolling motors, anchors, radar, and more.

What transducer comes with the HELIX 9 CHIRP MEGA SI+ GPS G4N?

It includes a transom-mount transducer optimized for MEGA Side/Down Imaging+ and Dual Spectrum CHIRP, ready for easy installation.

How user-friendly is the keypad control?

The keypad with soft keys provides intuitive, one-touch access to all functions, making it operable in gloves, wet hands, or bumpy conditions without frustration.

What storage options does it offer for waypoints and maps?

Store up to 2,750 waypoints internally, plus use a microSD card slot for expanded charts, recordings, and AutoChart data.

The HELIX 9 CHIRP MSI+ GPS G4N features a 9 Inch display, MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models, this HELIX 9 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 4113801 Attributes

• Display Size: 9 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 4113801 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 Side And Down Imaging+ Extends Out To 200 Feet On Either Side, Plus 20 Percent More Detail Than MEGA Side And 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
• Map The Water As You Drive The Boat And Keep The Data Stored On Your Fish Finder Or Import It Into The AutoChart PC Program
• LakeMaster Lake Maps Features Unrivaled, Easy-To-Read Contours, Highlighted Depth Ranges, Scrollable Lake Lists And More
• 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 4113801 Installation Instructions

• HUM_productmanual_HELIX_OPSTART_532403E.pdf
• HUM_productmanual_IG_HLX_9-10-12_532405.pdf
• HUM_productmanual_IG_XM_Fixed_532508.pdf
• HUM_productmanual_OPS_HELIX_SRS_532509E.pdf

Humminbird 4113801 Warranties

• Humminbird 2-Year Limited Warranty.pdf

Humminbird 4113801 Technical Bulletins

• HUM_productmanual_Transducer_RG_532651E.pdf

HELIX 9® CHIRP MEGA SI+ GPS G4N

The HELIX 9 CHIRP MSI+ GPS G4N features a 9" display, MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models, this HELIX 9 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 Side Imaging+: See the world below like never before with a crystal-clear Side Imaging viewing out to 200 feet on either side of your boat. You'll unlock more fish and structure with 20% more detail and 60% more range capability than MEGA Side Imaging sonar.
• MEGA Down Imaging+: Get unprecedented underwater clarity with Down Imaging coverage down to 200 feet below your boat. You'll unlock more fish and structure with 20% more detail and 60% more depth capability than MEGA 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

Keyboard control: You can master HELIX by touching the buttons. Access the pre-loaded view from the user-friendly menu system, which is operated by soft key controls, allowing you to operate the fishfinder reliably in any situation. MEGA Side Imaging +: See the world below from an unprecedented perspective. The clear silhouette can be viewed 200 feet from both sides of the ship. Compared with MEGA Side Imaging sonar, you can unlock more fish and buildings, increase details by 20%, and increase range finding ability by 60%. MEGA Downward Imaging+: Downward imaging coverage is as low as 200 feet below the ship, achieving unprecedented underwater clarity. Compared with MEGA Down Imaging sonar, you can release more fish and buildings, increase the detail by 20%, and increase the depth capability by 60%. Bluetooth: Through wireless communication, compatible Talon and Raptor shallow water anchors and Cannon Optimum drop brackets can be directly controlled from the Humminbird screen. Other features include wireless software updates in the Humminbird FishSmart app, and the ability to display smartphone notifications on Humminbird. Built-in NMEA 2000 network: Connect the accessory NMEA 2000 network to your control head to get more information; from ship performance to weather and water conditions, you can make full use of it with the NMEA 2000 network.

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