{"product_id":"humminbird-4119401-helix-7-chirp-mega-si-fishfinder-chartplotter-gps-g4n-137-4119401","title":"Humminbird Helix 7 CHIRP MEGA SI GPS G4N Fish Finder \u0026 Chartplotter (4119401)","description":"\u003ch2\u003eHelix 7 CHIRP MEGA SI G4N — Side Imaging, Charting \u0026amp; Networking in a 7\" Package\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eHumminbird Helix 7 CHIRP MEGA SI GPS G4N\u003c\/strong\u003e is a fully featured fish finder, chartplotter, and GPS unit built for freshwater and coastal anglers who want MEGA Side Imaging, precise CHIRP sonar, and full chart compatibility in a compact 7-inch display. With built-in Wi-Fi, NMEA 2000®, Ethernet, and Bluetooth, it’s the hub of a connected boat — ready to integrate with trolling motors, downriggers, and the full One-Boat Network® ecosystem.\u003c\/p\u003e\u003ch3\u003eSonar Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Spectrum CHIRP Sonar\u003c\/strong\u003e — A powerful Low-Q CHIRP transducer delivers crystal-clear returns, exceptional target separation, and well-defined fish arches. Dual Spectrum mode lets you switch between wide coverage and narrow precision with a single button press.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMEGA Side Imaging™\u003c\/strong\u003e — Scans up to 200’ (60m) on each side of the boat with remarkable detail, revealing structure, cover, and fish that traditional sonar misses entirely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMEGA Down Imaging™\u003c\/strong\u003e — Photo-like sonar view directly below the boat to depths of 125’ (38m), making it easy to identify bottom composition, structure, and suspended fish.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCharts \u0026amp; Navigation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumminbird Basemap Built-In\u003c\/strong\u003e — Pre-loaded with buoys, day markers, hazards, marinas, depth contours, and coverage for 10,000+ lakes plus U.S. coastal waters. Ready to navigate right out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoChart Live™\u003c\/strong\u003e — Create real-time custom depth maps of your fishing spots as you drive, with up to 8 hours of built-in recording. Includes access to patented LakeMaster® features including bottom hardness and vegetation mapping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLakeMaster® Compatible\u003c\/strong\u003e — Upgrade to Humminbird’s premium freshwater charts with unrivaled contour accuracy, depth highlight ranges, water level offset, and SmartStrike™ predictive fish search.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoastMaster™ Compatible\u003c\/strong\u003e — Full U.S. coastal chart coverage for East, West, and Gulf coast waters on a single card — built for saltwater captains who need accurate inshore and offshore navigation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNavionics® Compatible\u003c\/strong\u003e — Additional chart flexibility with support for Navionics chart cards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConnectivity \u0026amp; Control\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Boat Network®\u003c\/strong\u003e — Connects via Ethernet and Bluetooth to Minn Kota i-Pilot Link™ trolling motors, Talon and Raptor shallow water anchors, and Cannon downriggers. Control your entire boat from the Helix 7 display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNMEA 2000®\u003c\/strong\u003e — Integrates with your vessel’s NMEA 2000 backbone for engine gauges, fuel data, and connected accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Wi-Fi\u003c\/strong\u003e — Wireless software updates and connectivity via the Humminbird FishSmart™ app.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeypad Control\u003c\/strong\u003e — Intuitive soft-key menu system for reliable operation in any conditions — gloves, rain, or direct sunlight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBest Use Case\u003c\/h3\u003e\u003cp\u003eThe Helix 7 CHIRP MEGA SI G4N is the ideal choice for freshwater anglers who want MEGA Side Imaging and full chartplotter capability in a 7-inch display — particularly those fishing larger lakes, reservoirs, or river systems where scanning wide areas of structure is critical. It’s a strong fit for bass, walleye, and muskie anglers who want to cover water efficiently and build custom maps of their spots with AutoChart Live. The G4N designation means full networking — this unit is One-Boat Network ready and can be paired with a Minn Kota i-Pilot Link motor for integrated boat control.\u003c\/p\u003e\u003ch3\u003eRelated Products\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/humminbird-helix-7-chirp-mega-di-fishfinder-chartplotter-gps-g4n\"\u003eHumminbird Helix 7 CHIRP MEGA DI GPS G4N\u003c\/a\u003e — Same platform with Down Imaging only — no Side Imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/humminbird-helix-7-chirp-mega-di-fishfinder-chartplotter-gps-g4n-control-head-only\"\u003eHumminbird Helix 7 CHIRP MEGA DI GPS G4N — Control Head Only\u003c\/a\u003e — Head-only option if you already have a compatible transducer.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/humminbird-mega-live-2-live-sonar-system-7103101\"\u003eHumminbird MEGA Live 2 Live Sonar System\u003c\/a\u003e — Add live sonar capability to your Helix 7 G4N setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/humminbird-mega-live-target-lock-adapter-kit-for-minn-kota-ultrex-60-7402221\"\u003eHumminbird MEGA Live TargetLock Adapter Kit — Ultrex 60\"\u003c\/a\u003e — Lock your MEGA Live sonar beam independently from your trolling motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/humminbird-7300291-nmea-2000-gps-heading-sensor\"\u003eHumminbird NMEA 2000 GPS Heading Sensor\u003c\/a\u003e — Add heading data for MEGA Live Sweep and advanced navigation features.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/humminbird-4118501-as-eth-5pgl-ethernet-switch\"\u003eHumminbird Ethernet Switch\u003c\/a\u003e — Expand your One-Boat Network® connections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e The Helix 7 MEGA SI G4N is the best recommendation for anglers who want Side Imaging in the Helix 7 form factor and plan to network the unit with a Minn Kota i-Pilot Link trolling motor or other One-Boat Network accessories. The “G4N” designation is the key differentiator — it means full networking capability (Ethernet + Bluetooth). Customers who don’t need Side Imaging can save money with the \u003ca href=\"\/products\/humminbird-helix-7-chirp-mega-di-fishfinder-chartplotter-gps-g4n\"\u003eHelix 7 MEGA DI G4N\u003c\/a\u003e. Customers who want live sonar should be pointed toward adding the \u003ca href=\"\/products\/humminbird-mega-live-2-live-sonar-system-7103101\"\u003eMEGA Live 2\u003c\/a\u003e to their setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat to Know Before You Buy:\u003c\/strong\u003e MEGA Imaging 360 is not compatible with the Helix 7 — customers asking about 360 imaging should be directed to the Helix 9 or larger. MEGA SI reads to 200’ (60m) on each side; MEGA DI reads to 125’ (38m). AutoChart Live requires a microSD card for recording beyond the built-in 8-hour capacity. LakeMaster, CoastMaster, and Navionics charts are sold separately. Transducer is included with this listing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 137-4119401 | \u003cstrong\u003eBarcode:\u003c\/strong\u003e 082324058172\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199437701156,"sku":"137-4119401","price":1434.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/images_d937d9fa-4434-4304-8d46-f9e58cc9be7c.jpg?v=1785695664","url":"https:\/\/marisolmarine.com\/products\/humminbird-4119401-helix-7-chirp-mega-si-fishfinder-chartplotter-gps-g4n-137-4119401","provider":"Marisol Marine Company","version":"1.0","type":"link"}