The ONIX8CI SI Combo features a large 8.4″ display with LED backlight.  It has HD Side Imaging, HD Down Imaging and DSP (Digital Signal Processing) DualBeam PLUS sonar with SwitchFire with internal GPS Combo​ up to 8000 Watts PTP power output.  GPS Chartplotting with Humminbird TriFuel Cartography that gives you access to world background maps from Navionics, C-MAP and Humminbird LakeMaster.  Includes unit cover.  Maximize your angling experience with the Humminbird ONIX8ci SI Combo.

Note: To use the external GPS receiver AS GRP or AS GPS HS with the ONIX8ci SI Combo this setup will require the AS GPS NMEA to make connection

*Optional 50 kHz transducers available for extreme deepwater use

*To obtain 1000 watts, optional deepwater transducer required

**Optional SM3000 available for deepwater use to 10,000 ft, requires optional purchase of CHIRP Ethernet SONAR module