HELIX 9 CHIRP MEGA MSI+ GPS G4N CHOThe HELIX 9 CHIRP MSI+ GPS G4N CHO features a 9" 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 9 includes...