Dual spectrum chirp with a powerful low-q chirp transducer, our dual spectrum chirp sonar provides crystal-clear returns, exceptional target separation, and amazing fish arches. Compatible with helix g3n/g4n models with mega imaging. Humminbird base map built-in our built-in base map includes buoys, day markers, hazards, marinas, contours, depth markers, and much, much more. Lake master charts compatible upgrade to the unrivaled accuracy and detail of Humminbird lake master maps. Utilize the easy-to-read contours and chart adjustment features of the lake master. Add depth contours and satellite imagery to your arsenal with lake master plus, or opt for depth contours and predictive fish searches on smart strike. Navionics compatible Humminbird provides even more map options thanks to additional Navionics compatibility. Keypad control master helix at the touch of a button. Access the preloaded views from the user-friendly menu system, operated by soft key controls, allowing you to reliably operate your fish finder in any conditions.

Control head only model: this model does not include a transducer
Keypad control allows user to master HELIX at the touch of a button
MEGA Side Imaging+ and MEGA Down Imaging+ offer unprecedented underwater clarity with coverage out to 200 ft. and 200 ft. below boat
Dual spectrum CHIRP sonar
Internal GPS and Humminbird Basemap identifies buoys, day markers, hazards, marinas, contours, depth markers and much, much more
Premium chart compatible with optional charts from Humminbird’s LakeMaster and CoastMaster products, as well as compatible Navionics charts
AutoChart Live creates real-time maps of fishing spots, with access to patented Humminbird LakeMaster features
One-Boat Network compatible
Ethernet networking
Bluetooth
NMEA 2000 networking built-in
Includes power cable, knobs, transducer, and bracket

Fishfinders

Humminbird Helix 12 CHIRP MEGA SI+ Fishfinder/Chartplotter/GPS G4N

Lowrance Eagle 5 SplitShot? HD 5″ Depth Sounder Fishfinder, C-MAP? Inland American Lakes