Humminbird HELIX12 CHIRP Mega SI+ GPS G4N No Transducer

Sale price$2,399.99


Humminbird HELIX12 CHIRP Mega SI+ GPS G4N No Transducer

Humminbird HELIX 12 CHIRP MSI+ GPS G4N without Transducer

Model: 411970-1CHO

  • The HELIX 12 CHIRP MSI+ GPS G4N features a 12.1" 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 12 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.

  • 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 motors and Cannon Optimum downriggers 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.

  • 2-Year Limited Warranty


Display Size - Diagonal
12.1 in

Display Pixel Matrix
1280H x 800V

Memory Card Slot
Dual SD

Dual Spectrum CHIRP, MEGA Side Imaging+, MEGA Down Imaging+

20°, 42°, 60°, (2) 86° & (2) 55° @ -10dB

Live Sonar-Coverage
20 degrees x 120 degrees

CHIRP - Frequencies Supported
Narrow Mode (180-240 kHz), Wide Mode (140-200 kHz), Full Mode (150-220 kHz)

Sonar-Frequencies Supported
50/83/200/455/800 kHz & 1.2 MHz

3,500 ft (optional 50 kHz), 1,200 ft (standard transducer)

CHIRP - Imaging Frequencies Supported
MEGA DI+ (1100-1200 kHz), 800 kHz SI+ (780-840 kHz), 455 kHz SI+ (405-505 kHz), 800 kHz DI+ (800-860 kHz), 455 kHz DI+ (435-535 kHz), MEGA SI+ (1050-1175 kHz)

Depth-Down Imaging
200 ft (MEGA), 400 ft (455 kHz), 125 ft (800 kHz)

Range-Side Imaging (Side-To-Side)
800 ft (455 kHz), 250 ft (800 kHz), 400 ft (MEGA)

Keypad Control

Power Draw
3.2 Amps

Power Input
10.8-20 VDC

Power Output Peak-to-Peak
8000 Watts

Power Output RMS
1000 Watts


Mount-Standard Size
14.86 in W x 8.83 in H x 4.25 in D

GPS Chartplotting

GPS Receiver

GPS Trackplotting

Waypoints, Routes, Tracks/Points
2,750, 47, 50/20,000

360 Imaging Compatibility

MEGA Live Compatibility

Humminbird Basemap

Compatible Charts
Lakemaster, CoastMaster, Navionics Gold/HotMaps/Platinum/Platinum+

Minn Kota i-Pilot Link Compatibility

Minn Kota Talon Shallow Water Anchor Compatibility

Radar Compatibility

5-Port Ethernet Switch Compatibility

AIS Compatibility

Autopilot Compatibility

Heading Sensor GPS Compatibility


Target Separation
2.5 in

Interference Rejection
6 Modes

Noise Rejection
10 Steps

View Preset Keys

Display Colors Grayscale

Display Type
Color TFT

Built In

HDMI Compatible

What's in the Box:

  • Helix 12 MSI+ Control head

  • Screen cover

  • Mounting hardware.

  • Power cable

  • Gimbal mounting bracket

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