Display 9-INCH Color TFT 3 Programmable Buttons Down Imaging Duel Beam PLUS Sonar Upgradeable software Gimbal or Optional In-Dash Mount Humminbird HELIX 9 DI GPS | HELIX 9 Series | 409930-1. If you’ve got room on your dash or bow for a larger format display, start with the full-featured HELIX 9 Series. View Sonar images and charts side-by-side with a full range of technology options. The HELIX 9 DI GPS features a brilliant 480V x […]