Humminbird 688ci HD DI Combo
See what you're missing! Humminbird's® 688 HD DI Combo features High-Definition Down Imaging Sonar on a best-in-class 5" HD color screen. Combined with SwitchFire down-looking sonar with Clear and Max modes. Use clear mode to filter out underwater clutter and Max modes to show thermoclines and lure movement. Maximum depth: 350' (DI), 600' (2D). Power Output: 4,000 watts (PTP) and 500 watts (RMS). Down Imaging 455 kHz/75 degrees 800 kHz/45 degrees. Dual beam PLUS w/ Switchfire 200 kHz/28 degrees 455kHz/ 16 degrees. Made in USA.
- Ultra-bright 5" HD (640V x 480H) color display
- DualBeam Plus™
- Down Imaging®
- Precision GPS
- Built-in UniMap™
- Max. depth: 350' (DI) and 600' 2D
- Sonar coverage: 20º/60º
- Speed/Temperature included
Manufacturer model #: 409460-1.