Humminbird

Humminbird HELIX 7 CHIRP MEGA SI GPS G4N

SKU: 90089 · UPC: 00082324056260 · MPN: 411650-1
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02 · Overview

Humminbird HELIX 7 CHIRP MEGA SI GPS G4N — Product description

Imagine gliding across the water, your boat slicing through the mist at dawn, and suddenly spotting a school of bass huddled around a submerged tree branch—before you even drop your line. That's the edge the Humminbird HELIX 7 CHIRP MEGA SI GPS G4N delivers to serious anglers. This powerhouse fish finder combines cutting-edge sonar imaging with intuitive controls and seamless networking, turning guesswork into precision strikes. Whether you're chasing walleye in shallow bays or probing deep reservoirs for crappie, its MEGA Side and Down Imaging reveal underwater worlds in stunning detail, helping you locate fish-holding hotspots faster than ever.

What sets this model apart in the competitive world of marine electronics? It's the G4N upgrades: sharper displays, expanded connectivity, and real-time mapping that evolves with every outing. Anglers who've upgraded from older Helix generations rave about the clarity boost, often sharing stories of record hauls thanks to spotting subtle ledges and baitfish schools invisible to standard sonars.

Unlock Crystal-Clear Underwater Views with MEGA Imaging

MEGA Side Imaging sweeps 200 feet to each side of your boat with 20% more detail than previous generations, painting photo-like pictures of structure, rocks, and fish suspended in the water column. Pair it with MEGA Down Imaging for straight-down coverage up to 125 feet, and you've got a virtual spotlight on bottom contours and vegetation beds where trophy fish lurk.

Real-world tip: In murky lakes, toggle to MEGA Live mode for motion imaging that tracks cruising predators in real-time, mimicking a live underwater camera. Bass tournament pros swear by this for reaction baits, adjusting presentations on the fly as they watch fish react.

Dual Spectrum CHIRP: The Game-Changer for Fish Arches

Traditional sonar shows blobs; CHIRP delivers razor-sharp arches that distinguish species by size and behavior. Wide mode scans broad areas to find pods, while Narrow mode zooms in on individual targets. With frequencies spanning 50 to 1.2 MHz, it adapts to any depth or condition—from shallow weedlines to 1,200-foot drops.

AutoChart Live: Map Your Honey Holes on the Fly

Why rely on outdated charts? As you motor across a lake, AutoChart Live records depth, hardness, and vegetation in real-time, overlaying custom contours instantly. Eight hours of onboard storage means endless exploration, and with dual micro SD slots, export data for desktop editing or share with buddies. It's like having a personal cartographer aboard, especially handy for off-the-beaten-path waters.

Effortless Control and Rugged Reliability

The 7-inch high-def display (1024x600 resolution) shines in sunlight with 16-bit grayscale and split-screen views—sonar on top, maps below, imaging side-by-side. Keypad controls stay glove-friendly, even in rough chop, with customizable menus for your go-to setups.

Waterproof to IPX7 standards, it laughs at spray and splashes. Compact dimensions (10.54" W x 5.8" H x 3.68" D) fit most consoles, with gimbal or optional flush mounts. Power draw is efficient at 800mA, sipping battery on long days.

Fishing Scenarios Where It Shines

  • Bass Fishing: Spot brush piles and schooling shad with MEGA SI, then drop jigs exactly where they stage.
  • Walleye Trolling: CHIRP tracks lure depth and bottom bouncers hugging contours.
  • Ice Fishing Prep: Custom maps reveal winter access points and deep basins.
  • Saltwater Flats: Down Imaging picks out mangroves and tailing reds.

Technical Specifications at a Glance

Specification Details
Display Size 7-inch diagonal LCD
Resolution 1024 x 600 pixels
Sonar Standards Dual Spectrum CHIRP, MEGA Down/Side Imaging
Max Depth 1,200 ft (standard), up to 3,500 ft optional
Power Output (RMS) 500 Watts
Networking Ethernet, Bluetooth, NMEA 2000, Wi-Fi
Mount Type Gimbal (transom transducer included)

Everything You Need to Get Started

  • Control head with 7" display
  • XNT 9 HW MSI 150 T transom-mount transducer
  • Power cable
  • Gimbal mounting bracket and hardware

Quick gimbal install: Surface-mount the bracket, thread cables neatly, and calibrate sonar in calm water for peak performance.

Frequently Asked Questions

How does MEGA Side Imaging differ from standard side imaging?

MEGA Side Imaging offers up to 3x more detail and extends coverage to 250 feet side-to-side at higher frequencies, revealing finer structure like individual branches or fish hiding in crevices that older tech misses.

Can I use this fish finder on saltwater?

Yes, it's versatile for both fresh and salt, with corrosion-resistant components. Coastal Basemaps cover U.S. shorelines, ideal for inshore species like reds and flounder.

Does it support wireless updates?

Absolutely—Bluetooth connects to the FishSmart app for over-the-air software enhancements, keeping your unit's features current without cables.

What's the easiest way to mount the transducer?

Transom mount is included and straightforward: Position 1/3 from keel to edge, parallel to waterline, secure with screws, and route cables inside the hull to avoid snags.

How many waypoints can it store?

Up to 2,750 waypoints, plus routes and extensive trackplotting, with micro SD expansion for virtually unlimited storage.

Is it compatible with Minn Kota trolling motors?

Yes, via One-Boat Network and i-Pilot Link, enabling spot-on-a-spot control, auto-follow contours, and shared sonar data for pinpoint trolling.

Equipped with the HELIX 7 CHIRP MEGA SI GPS G4N, you're not just fishing—you're dominating. Its blend of raw imaging power, smart mapping, and network prowess equips you for any water, any species, any challenge. Elevate your game and fill the livewell.

The HELIX 7 CHIRP MEGA SI GPS G4N fish finder features MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, Internal GPS and Humminbird Basemap built-in. An upgraded high-definition 7 Inch display will give you the best view of the many pre-loaded split screen view options so that you'll never miss a fish. All HELIX 7 G4N models support Ethernet networking, Bluetooth(R), NMEA 2000(R), Wi-Fi and are compatible with the One-Boat Network™, which means you'll have total control of your fishing machine at your fingertips.

Humminbird 4116501 Attributes

  • Display Size: 7 Inch LCD
  • Display Resolution: 1024 X 600 Pixels
  • Overall Dimensions: 10-1/2 Inch Length X 5.8 Inch Height X 3.68 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 4116501 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 1 Year Warranty

Humminbird 4116501 Installation Instructions

Humminbird 4116501 Warranties


HELIX 7 CHIRP MEGA SI GPS G4N

The HELIX 7 CHIRP MEGA SI GPS G4N fish finder features MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, Internal GPS, and Humminbird Basemap built-in. An upgraded high-definition 7" display will give you the best view of the many pre-loaded split screen view options so that you'll never miss a fish. All HELIX 7 G4N models support Ethernet networking, Bluetooth(R), NMEA 2000(R), Wi-Fi, and are compatible with the One-Boat Network(TM), which means you'll have total control of your fishing machine at your fingertips. 

Features:

  • Keypad control: Master HELIX at the touch of a button. Access the pre-loaded views from the user-friendly menu system, operated by softkey controls that allow you to reliably operate your fish finder in any conditions.
  • MEGA Side Imaging: See the world below like never before with crystal-clear viewing out to 125 feet on either side of your boat. You'll unlock new details with up to 3X more detail than standard Side Imaging sonar.
  • 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 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 the fish-holding structure and the bottom. Powered by our proprietary, Low-Q CHIRP transducer, Dual Spectrum CHIRP 2D sonar 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 base map 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: These Humminbird models seamlessly integrate and communicate with other Humminbird and Minn Kota 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. Additional features include wireless software updates from the Humminbird FishSmart App and a display of smartphone 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, power cable, gimbal mounting bracket, and mounting hardware.
  • 1-Year Limited Warranty

Specifications:

  • Display Size - Diagonal: 7"
  • Display Pixel Matrix: 1024H x 600V
  • 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: 83/200 (75-155/130-250 kHz), Full Mode (150-220 kHz), Narrow Mode (180-240 kHz), Wide Mode (140-200 kHz)
  • Sonar-Frequencies Supported: 50/83/200/455/800 kHz & 1.2 MHz
  • Depth-Sonar: 1,200 ft (standard transducer), 3,500 ft (optional 50 kHz)



SKU: NVN-90089
MPN: 411650-1
UPC: 00082324056260
03 · The numbers

Technical specifications

BrandHumminbird
ModelHumminbird HELIX 7 CHIRP MEGA SI GPS G4N
SKU / MFR#90089

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04 · Before you buy

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05 · Customer voices

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