Humminbird HELIX 15® CHIRP MEGA SI+ GPS G4N CHO Display Only

Upgrade your fishing intelligence with the Humminbird HELIX 15 CHIRP MEGA SI+ GPS G4N CHO Display Only. This Control Head Only (CHO) model delivers a massive 15.4" display and the full power of Humminbird’s MEGA imaging technology, plus GPS mapping and network flexibility, so you can tailor your setup exactly to your boat and style of fishing.

• Display-Only CHO model: No transducer included, designed to connect with Minn Kota Built-in MEGA Imaging trolling motors, accessory transducers like MEGA 360 Imaging, or share sonar data from an existing Humminbird Ethernet network. Perfect for upgrading an existing system or building a customized sonar network.
• MEGA Side Imaging+ and MEGA Down Imaging+: See the underwater world with crystal-clear Side Imaging out to 200 feet on each side and Down Imaging down to 200 feet below your boat. Experience 20% more detail and 60% more range than standard MEGA imaging for unbeatable detail of fish, structure, and terrain.
• Dual Spectrum CHIRP Sonar: Two search modes—Wide for broad coverage and Narrow for pinpoint detail—powered by a low-Q CHIRP transducer to reveal precise fish arches, structure, and bottom contours.
• Internal GPS with Humminbird Basemap: Navigate confidently with an enhanced basemap that highlights underwater terrain, buoys, markers, hazards, marinas, contours, and depth points. Includes charts for more than 10,000 lakes and coastal coverage for the continental U.S.
• AutoChart Live: Real-time mapping of your fishing grounds with LakeMaster features. Drive your boat to map depth contours, bottom hardness, and vegetation, and save up to eight hours of built-in recording for later analysis.
• Premium Chart Compatibility: Expand your chart repertoire with optional LakeMaster and CoastMaster charts, plus compatibility with select Navionics charts, giving you a complete underwater view wherever you fish.
• Connectivity and Networking: Built-in Wi-Fi, NMEA 2000®, Bluetooth, and Ethernet provide seamless integration with the One-Boat Network™ family of products, letting you share sonar data and control across Humminbird, Minn Kota, and Cannon devices.
• Intuitive control: Master HELIX operation is at your fingertips with a user-friendly keypad and preloaded views, ensuring you can access critical information quickly in any conditions.

Whether you’re upgrading an existing system, connecting to Minn Kota MEGA Imaging, or building a flexible, transducer-ready setup, the HELIX 15 CHIRP MEGA SI+ GPS G4N CHO Display Only gives you the advanced imaging, precise mapping, and versatile connectivity you need to locate fish faster and navigate with confidence.