Humminbird HELIX 12 CHIRP Mega SI+ GPS G4N is a powerful control-head-only fish finder designed for serious anglers who demand premium imaging, precise mapping, and effortless on-water control. This model features a dedicated keypad control with Master HELIX at the touch of a button and a user-friendly menu system with soft-key operation for reliable performance in any condition. Note: this is a control head only, with no transducer included.
Crystal-Clear Imaging and Search Power
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MEGA Side Imaging+ provides side-to-side clarity out to 200 feet on both sides of your boat, delivering 20% more detail and 60% more range than standard MEGA Side Imaging sonar.
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MEGA Down Imaging+ delivers unprecedented underwater clarity down to 200 feet, with 20% more detail and 60% more depth capability than MEGA Down Imaging sonar.
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Dual Spectrum CHIRP sonar uses a Low-Q transducer to offer two search modes: Wide Mode for maximum coverage and Narrow Mode for pinpoint detail, giving you highly-detailed fish arches and a clear view of fish-holding structure and the bottom.
Advanced Mapping, Charts & Navigation
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Internal GPS and Humminbird Basemap provide a clear view of underwater terrain and points of interest, helping you identify buoys, markers, hazards, marinas, contours, depth markers, and more. Includes charts for more than 10,000 lakes plus coastal coverage for the continental U.S.
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Premium Chart Compatibility offers optional charts from LakeMaster and CoastMaster, plus compatibility with Navionics charts, giving you the flex to choose the map that fits your fishing grounds.
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AutoChart Live lets you create real-time maps of your favorite spots, with depth contours, bottom hardness, and vegetation data as you boat. It includes eight hours of built-in recording time and works with AutoChart Zero Line SD cards for expansive mapping capacity.
Connectivity, Networking & Smart Features
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One-Boat Network Compatible integrates seamlessly with Minn Kota and Cannon products, unlocking enhanced boat control and fish-catching features across your system.
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Ethernet Networking enables high-speed connections to multiple fish finders and supports add-ons like Minn Kota i-Pilot Link and Humminbird CHIRP Radar for a complete, professional-grade fishing setup.
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Bluetooth provides wireless control from the display to compatible Talon and Raptor shallow water anchors, as well as Cannon Optimum downriggers, plus wireless software updates via the Humminbird FishSmart App.
With built-in flexibility and extensive mapping and imaging capabilities, the Humminbird HELIX 12 CHIRP Mega SI+ GPS G4N gives you the confidence to locate fish, understand bottom structure, and navigate with precision—whether you’re exploring new lakes or charting your favorite coastlines. Upgrade your on-the-water performance with a control-head centerpiece that pairs cutting-edge sonar, rich mapping, and advanced networked features in one powerful package.
