Experience advanced fishing performance and precision navigation with the Humminbird CHIRP MEGA SI+ GPS G4N Fish Finder Control Head, designed for serious anglers who want maximum sonar detail, smart connectivity, and full system customization. Built as a control head only unit, it offers powerful integration with existing marine systems for a professional-grade on-water setup.
With a large 10.1-inch display and intuitive keypad control, this unit delivers reliable operation in all conditions while providing exceptional sonar clarity and mapping accuracy.
- 10.1-inch high-resolution display for clear, detailed underwater imaging
- Control Head Only (CHO) design for integration with existing transducers and marine systems
- MEGA Side Imaging+ provides ultra-detailed views up to 200 ft on both sides of the boat
- MEGA Down Imaging+ delivers crystal-clear structure and fish visibility beneath the vessel
- Dual Spectrum CHIRP sonar offers wide and narrow modes for precise fish targeting
- Internal GPS with Humminbird Basemap for reliable navigation and waterway awareness
- AutoChart Live allows real-time mapping of depth contours, vegetation, and bottom hardness
- Ethernet networking enables advanced multi-device and system integration
- Bluetooth connectivity for enhanced device communication and control
- One-Boat Network compatibility for integration with trolling motors and accessories
- Premium chart compatibility including LakeMaster, CoastMaster, and Navionics options
- Keypad control system ensures dependable operation in all weather conditions
- Includes mounting hardware, power cable, bracket, and protective cover
- Designed for boating and fishing enthusiasts seeking professional sonar performance
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