Humminbird Onix 8Ci SI Hi Definition GPS and Side Imaging Sonar


Out of stock


The ONIX8ci CT 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 CT SI Combo.

Additional Notes

  • To use an external GPS receiver (AS GRP or AS GPS HS) an AS GPS NMEA is required. 
  • 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