# Humminbird HELIX 9 CHIRP MEGA SI+ GPS G3N > No current live sonar system lists it. Trolling motors it can steer: Minn Kota Ultrex QUEST (with an adapter), Minn Kota Ultrex (with an adapter), Minn Kota Ulterra QUEST (with an adapter), Minn Kota Ulterra (with an adapter) and Minn Kota Terrova QUEST (with an adapter). Humminbird HELIX 9 CHIRP MEGA SI+ GPS G3N is a fish finder from Humminbird HELIX G3N. It has a 9 in screen, has built-in CHIRP, Down imaging, Side imaging sonar, and has 1 marine network port. It is no longer sold new. - Line: [Humminbird HELIX G3N](https://sonarmatch.com/lines/humminbird-helix-g3n/) - Category: [Fish Finders & Chartplotters](https://sonarmatch.com/compare/head-unit/) - Status: no longer sold new - Data confidence: inferred (last verified 2026-11-01; [what this means](https://sonarmatch.com/how-we-compare/#confidence)) - Page: https://sonarmatch.com/products/humminbird-helix-g3n-9-chirp-mega-si-plus-gps/ ## Specifications | Spec | Value | Source | |---|---|---| | Part number | not published | | | Screen size | 9 in | [johnsonoutdoors.widen.net](https://johnsonoutdoors.widen.net/content/q8ds6x8zvr/pdf/532509-5EN_B-HELIX-Series-Operations-Manual.pdf) (brand, pdf, 2026-11-01) | | Screen resolution | 1024 x 600 | [johnsonoutdoors.widen.net](https://johnsonoutdoors.widen.net/content/q8ds6x8zvr/pdf/532509-5EN_B-HELIX-Series-Operations-Manual.pdf) (brand, pdf, 2026-11-01) | | Built-in sonar | CHIRP, Down imaging, Side imaging | [minnkota-help.johnsonoutdoors.com](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility) (brand, derived, 2026-10-31) | | Marine network (Ethernet) ports | 1 | [johnsonoutdoors.widen.net](https://johnsonoutdoors.widen.net/content/q8ds6x8zvr/pdf/532509-5EN_B-HELIX-Series-Operations-Manual.pdf) (brand, derived, 2026-11-01) | | NMEA 2000 | no | [johnsonoutdoors.widen.net](https://johnsonoutdoors.widen.net/content/q8ds6x8zvr/pdf/532509-5EN_B-HELIX-Series-Operations-Manual.pdf) (brand, derived, 2026-11-01) | ## Live sonar on this unit - [Garmin LiveScope Plus](https://sonarmatch.com/products/garmin-livescope-plus/): sonar: not published; - [Garmin LiveScope XR](https://sonarmatch.com/products/garmin-livescope-xr/): sonar: not published; - [Garmin LiveScope 2](https://sonarmatch.com/products/garmin-livescope-2-transducer/): sonar: not published; - [Garmin LiveScope 2 HD](https://sonarmatch.com/products/garmin-livescope-2-hd-transducer/): sonar: not published; - [Lowrance ActiveTarget 2](https://sonarmatch.com/products/lowrance-activetarget-2/): sonar: no (inferred from the brand's list) [source](https://www.lowrance.com/products/transducers/activetarget-2/active-target-2/); - [Lowrance ActiveTarget](https://sonarmatch.com/products/lowrance-activetarget/): sonar: no (inferred from the brand's list) [source](https://www.lowrance.com/products/transducers/activetarget/activetarget-system/); - [Humminbird MEGA Live 2](https://sonarmatch.com/products/humminbird-mega-live-2/): sonar: no [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/28396954432791-MEGA-Live-2-Compatibility-and-Installation); - [Humminbird MEGA Live](https://sonarmatch.com/products/humminbird-mega-live/): sonar: works with an adapter, needs AS EC QDE Ethernet adapter [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/4419729585303-MEGA-Live-1-1st-Generation-Compatibility); - [Garmin Panoptix PS22-TR](https://sonarmatch.com/products/garmin-panoptix-ps22-tr/): sonar: not published; - [Garmin Panoptix PS31](https://sonarmatch.com/products/garmin-panoptix-ps31/): sonar: not published; - [Garmin Panoptix PS51-TH](https://sonarmatch.com/products/garmin-panoptix-ps51-th/): sonar: not published; - [Garmin Panoptix PS70](https://sonarmatch.com/products/garmin-panoptix-ps70/): sonar: not published; - [Lowrance Eagle Eye transducer](https://sonarmatch.com/products/lowrance-eagle-eye-transducer/): sonar: no [source](https://www.lowrance.com/products/fish-finders/eagle/); ## Trolling motors with this unit - [Garmin Force](https://sonarmatch.com/products/garmin-force/): sonar: not published; control: not published; - [Garmin Force Kraken](https://sonarmatch.com/products/garmin-force-kraken-black/): sonar: not published; control: not published; - [Garmin Force Pro](https://sonarmatch.com/products/garmin-force-pro/): sonar: not published; control: not published; - [Lowrance Ghost X](https://sonarmatch.com/products/lowrance-ghost-x/): sonar: not published; control: no (inferred from the brand's list) [source](https://www.lowrance.com/specifications/hds-pro-specifications/); - [Lowrance Ghost](https://sonarmatch.com/products/lowrance-ghost/): sonar: not published; control: no (inferred from the brand's list) [source](https://www.lowrance.com/specifications/hds-pro-specifications/); - [Lowrance Recon Freshwater](https://sonarmatch.com/products/lowrance-recon-freshwater/): sonar: not published; control: no (inferred from the brand's list) [source](https://www.lowrance.com/specifications/hds-pro-specifications/); - [Lowrance Recon Saltwater](https://sonarmatch.com/products/lowrance-recon-saltwater/): sonar: not published; control: no (inferred from the brand's list) [source](https://www.lowrance.com/specifications/hds-pro-specifications/); - [Minn Kota Ultrex QUEST](https://sonarmatch.com/products/minn-kota-ultrex-quest/): sonar: works with an adapter, needs a Humminbird HELIX adapter cable (MKR-MI-1 for Dual Spectrum CHIRP) (Built-in MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP, on motors that have that sonar built in) [source](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility); control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Ultrex](https://sonarmatch.com/products/minn-kota-ultrex/): sonar: works with an adapter, needs a Humminbird HELIX adapter cable (MKR-MI-1 for Dual Spectrum CHIRP) (Built-in MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP, on motors that have that sonar built in) [source](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility); control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Ulterra QUEST](https://sonarmatch.com/products/minn-kota-ulterra-quest/): sonar: works with an adapter, needs a Humminbird HELIX adapter cable (MKR-MI-1 for Dual Spectrum CHIRP) (Built-in MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP, on motors that have that sonar built in) [source](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility); control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Ulterra](https://sonarmatch.com/products/minn-kota-ulterra/): sonar: works with an adapter, needs a Humminbird HELIX adapter cable (MKR-MI-1 for Dual Spectrum CHIRP) (Built-in MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP, on motors that have that sonar built in) [source](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility); control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Terrova QUEST](https://sonarmatch.com/products/minn-kota-terrova-quest/): sonar: works with an adapter, needs a Humminbird HELIX adapter cable (MKR-MI-1 for Dual Spectrum CHIRP) (Built-in MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP, on motors that have that sonar built in) [source](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility); control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Terrova](https://sonarmatch.com/products/minn-kota-terrova/): sonar: works with an adapter, needs a Humminbird HELIX adapter cable (MKR-MI-1 for Dual Spectrum CHIRP) (Built-in MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP, on motors that have that sonar built in) [source](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility); control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Riptide Terrova QUEST](https://sonarmatch.com/products/minn-kota-riptide-terrova-quest/): sonar: not published; control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Riptide Terrova](https://sonarmatch.com/products/minn-kota-riptide-terrova/): sonar: not published; control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Riptide Instinct QUEST](https://sonarmatch.com/products/minn-kota-riptide-instinct-quest/): sonar: not published; control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota PowerDrive](https://sonarmatch.com/products/minn-kota-powerdrive/): sonar: works with an adapter, needs a Humminbird HELIX adapter cable (MKR-MI-1 for Dual Spectrum CHIRP) (Built-in Dual Spectrum CHIRP, on motors that have that sonar built in) [source](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility); control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); - [Minn Kota Fortrex](https://sonarmatch.com/products/minn-kota-fortrex/): sonar: works with an adapter, needs a Humminbird HELIX adapter cable (MKR-MI-1 for Dual Spectrum CHIRP) (Built-in Dual Spectrum CHIRP, on motors that have that sonar built in) [source](https://minnkota-help.johnsonoutdoors.com/hc/en-us/articles/44097639253527-Trolling-Motor-and-Fish-Finder-Compatibility); control: not published; - [MotorGuide Xi5](https://sonarmatch.com/products/motorguide-xi5/): sonar: not published; control: no (inferred from the brand's list) [source](https://www.lowrance.com/specifications/hds-pro-specifications/); - [MotorGuide Xi3](https://sonarmatch.com/products/motorguide-xi3/): sonar: not published; control: no (inferred from the brand's list) [source](https://www.lowrance.com/specifications/hds-pro-specifications/); - [Minn Kota Riptide PowerDrive](https://sonarmatch.com/products/minn-kota-riptide-powerdrive/): sonar: not published; control: works with an adapter, needs AS EC QDE Ethernet adapter (Advanced GPS Navigation motors (2023 and newer)) [source](https://humminbird-help.johnsonoutdoors.com/hc/en-us/articles/25679984820631-Advanced-GPS-Navigation-vs-i-Pilot-Link-Compatibility-and-Comparison); ## What to buy instead Same category, different line: - [Garmin ECHOMAP UHD2 5" cv](https://sonarmatch.com/products/garmin-echomap-uhd2-5-cv/) — $499.99 - [Garmin ECHOMAP UHD2 6" sv](https://sonarmatch.com/products/garmin-echomap-uhd2-6-sv/) — $849.99 - [Garmin ECHOMAP UHD2 7" cv](https://sonarmatch.com/products/garmin-echomap-uhd2-7-cv/) — $699.99 - [Garmin ECHOMAP UHD2 7" sv](https://sonarmatch.com/products/garmin-echomap-uhd2-7-sv/) — $999.99 - [Garmin ECHOMAP UHD2 9" sv](https://sonarmatch.com/products/garmin-echomap-uhd2-9-sv/) — $1,399.99 - [Garmin ECHOMAP Ultra 2 10"](https://sonarmatch.com/products/garmin-echomap-ultra-2-10/) — $2,099.99 - [Garmin ECHOMAP Ultra 2 12"](https://sonarmatch.com/products/garmin-echomap-ultra-2-12/) — $2,899.99 - [Garmin ECHOMAP Ultra 2 16"](https://sonarmatch.com/products/garmin-echomap-ultra-2-16/) — $4,799.99 --- SonarMatch answers which fish finders work with which live sonar systems, trolling motors and adapters, across brands, with the brand's own source for every answer and spec. [How we compare](https://sonarmatch.com/how-we-compare/). Data as of 2026-11-01.