Humminbird HELIX 15 CHIRP MEGA SI+ GPS G4N CHO Display Only  Model #411320-1CHO.
Side view of the Humminbird HELIX 15 CHIRP MEGA SI+ GPS G4N CHO showing the gimbal bracket mount.

Humminbird HELIX 15 CHIRP MEGA SI+ GPS G4N CHO Display Only [411320-1CHO]

Regular price $2,721.50
Sale price $2,721.50 Regular price $2,899.99
Product description


The HELIX 15 CHIRP MEGA MSI+ GPS G4N offers a 15" display with MEGA Down/Side Imaging+, internal GPS with Humminbird Basemap and Dual Spectrum CHIRP Sonar. All HELIX G4N models include core features like NMEA 2000®, AutoChart Live, Bluetooth® Wi-Fi and Ethernet networking for syncing with Humminbird’s One-Boat Network™ and Minn Kota products.


Control Head Only Model: No transducer included with this model. This CHO model is the perfect option for fishermen to use in conjunction with Minn Kota trolling motors with built-in MEGA Imaging.

Keypad Control: Effortlessly operate the HELIX with its user-friendly menu system and soft-key controls, allowing reliable use in any conditions.

MEGA Down/Side Imaging+; Enables more detail with up to 200 feet on either side of the boat, offering 20% to 60% extra detail and range than previous MEGA Side Imaging sonar.

Dual Spectrum CHIRP Sonar: Gain highly-detailed views of fish arches and bottom structures with Humminbird’s Low-Q CHIRP transducer. Availability of Wide mode for full range and use of narrow mode for concentrated focus give the angler a choice.

Internal GPS and Humminbird Basemap: Navigate confidently with Humminbird's enhanced basemap, featuring detailed underwater terrain, buoys, markers, hazards, marinas, and more. Includes over 10,000 lake charts and coastal coverage for the continental U.S.

Premium Chart Compatible: Access a complete range of premium chart options, including LakeMaster® and CoastMaster™ products, and Navionics® charts for comprehensive underwater views.

AutoChart Live: Generate maps with LakeMaster® to map bottom hardness, vegetation and depth contours with eight hours recording time. Employ AutoChart Zero Line SD cards with AutoChart live for comprehensive mapping.

One-Boat Network Compatible: Effortlessly connect with Minn Kota and Cannon products, unlocking exceptional boat control and capability to magnify your fishing memories. Humminbird delivers high-speed ethernet networking all Humminbird fish finders and supplying additional features like Humminbird CHIRP Radar and Minn Kota i-Pilot Link .

Ethernet Networking: Use NMEA2000 to receive network data concerning weather, water conditions and watercraft performance

Bluetooth: Cannon Optimum downriggers, Raptor and Talon shallow water anchors compatible with Bluetooth can be controlled from the screen. Use the Humminbird FishSmart App to wirelessly receive smartphone notifications and software updates.

Includes control head, screen cover, power cable, gimbal mounting bracket, and mounting hardware. This CHO model does not include a transducer, allowing you to pick the best fit for your rigging needs.

  • 2-Year Limited Warranty


  • Screen Size: 15"
  • Cartography Brand: Humminbird/Navionics
  • Transducer Included: No
  • Touchscreen: No
  • Box Dimensions: 12"H x 15"W x 22"L WT: 16.15 lbs
  • UPC: 082324055782

Brochure (pdf)