Helix 12 G4N CHO MSI

Humminbird HELIX 12 MSI — CHO (Control Head Only)

Pro-size, network-ready fish finder that supports MEGA Side Imaging, MEGA Down Imaging, and Dual Spectrum CHIRP 2D—just add the transducer that fits your rig. The CHO version ships without a transducer, giving you maximum flexibility for transom or trolling-motor installs.

Key features

• 12.1" HD display for crisp split-screen charts + imaging

• MEGA SI + MEGA DI + Dual Spectrum CHIRP 2D (with compatible transducer)

• Built-in GPS + Humminbird Basemap; supports LakeMaster®, CoastMaster®, Navionics® (microSD)

• AutoChart Live real-time mapping (depth, vegetation, bottom hardness)

• Networking: Ethernet (share sonar/waypoints, Mega 360, radar, etc.) + Bluetooth accessories/notifications

• Minn Kota® integration via Ethernet (i-Pilot Link™ features like Follow the Contour/Spot-Lock integration)

• NMEA 2000®-ready with optional gateway

What’s included

• HELIX 12 MSI head unit (CHO)

• Power cable

• (No transducer included)

Compatibility notes

• Requires a Humminbird MEGA SI/DI transducer (transom or trolling-motor style), sold separately

• Works with LakeMaster/CoastMaster/Navionics charts (sold separately)

• Ethernetable with other HELIX/SOLIX units, Mega 360, radar, and i-Pilot Link networks