Humminbird Helix 7 Chirp DS GPS G3N Fish Finder Review

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Are you ready to elevate your angling game with state-of-the-art technology? Dive into our comprehensive review of the Humminbird Helix 7 CHIRP DS GPS G3N, an innovative device designed to redefine your fishing experience. In this article, we’ll explore its cutting-edge features and analyze how it stands out in a competitive market, ensuring you make an informed decision for your next fishing adventure.

We know you’re eager to reel in the big catch, so we’ve gone the extra mile to provide a detailed, user-friendly breakdown of the Helix 7’s performance, ease of use, and overall value. Stay hooked as we unravel the secrets of this exceptional fish finder, helping you navigate the waters with confidence and precision.

Humminbird Helix 7 Chirp DS GPS G3N Key Features and Benefits

Humminbird Helix 7 Chirp DS GPS G3N Fish Finder Review

Dual Spectrum CHIRP

The Helix 7 comes equipped with Dual Spectrum CHIRP Sonar technology that offers two ways to search – wide mode for maximum coverage and narrow mode for maximum detail. This feature provides a clear view of fish-holding structures and the bottom, allowing you to identify fish with ease. Additionally, the Low Q CHIRP transducer ensures long, well-defined fish arches for a comprehensive view of what’s below the water’s surface.

SwitchFire Sonar

With two display modes, SwitchFire Sonar allows you to customize your sonar returns to add or remove detail, account for water depth, temperature, and turbulence, and even watch lure presentations. This feature is especially useful when fishing in different water conditions and depths.

MEGA Down Imaging

The MEGA Down Imaging feature provides incredible underwater detail, revealing fish and structures with unparalleled clarity. This technology delivers images up to 125 feet below your boat, so you can pinpoint the best spots to cast your line.

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7-Inch HD Display

The Helix 7 features a bright, 7-inch HD display that’s easy to read in all lighting conditions. With its customizable split-screen views, you can monitor multiple sonar readings and mapping information simultaneously.

Networking and Connectivity

The G3N model offers Ethernet and Bluetooth connectivity, enabling you to share waypoints, routes, and sonar data with other compatible Humminbird devices. Additionally, it supports NMEA 2000 compatibility, allowing integration with other marine electronics.

The Helix 7’s Bluetooth connectivity allows you to receive notifications on your fish finder and control your most-used features with an optional Bluetooth remote (RC2). Additionally, you can update the device’s software wirelessly through the Humminbird FishSmart App.

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GPS and Mapping Capabilities

Equipped with an integrated GPS receiver, the Helix 7 ensures precise and quick location tracking. The fish finder also includes built-in mapping capabilities, allowing you to create custom maps and access Humminbird’s LakeMaster, AutoChart Live, and other compatible mapping solutions.

LakeMaster Compatible

Upgrade your fishing experience with Humminbird LakeMaster maps. The detailed contours, highlighted depth ranges, and scrollable lake lists provide unrivaled accuracy and detail for both freshwater and saltwater fishing.

Navionics Compatible

In addition to LakeMaster maps, the Helix 7 is also compatible with Navionics maps. With additional map regions, Navionics provides detailed cartography for cruising, sailing, and fishing.

See also: Helix 7 CHIRP MSI GPS G3N, ICE Helix 7 Chirp GPS G4

Benefits of Using the Helix 7 Chirp DS GPS G3N

Accurate and Detailed Underwater Imaging

The Helix 7’s advanced sonar technologies provide high-resolution images of fish, vegetation, and underwater structures, making it easier to locate your target and strategize your fishing approach.

Enhanced Navigation and Fishing Experience

With its GPS and mapping capabilities, the Helix 7 ensures you’ll never get lost on the water. By creating custom maps and utilizing Humminbird’s extensive library of maps, you can optimize your fishing experience.

Ease of Use and Customizability

The intuitive interface and customizable display make the Helix 7 user-friendly for anglers of all skill levels. Whether you’re a seasoned pro or a weekend warrior, you’ll find this fish finder a breeze to operate.

Durability and Reliability

Built to withstand harsh marine environments, the Helix 7 is a reliable companion for your fishing adventures. Its rugged design ensures it’ll stand up to the elements, providing you with dependable performance trip after trip.

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Comparison to Similar Products

The Helix 7 stands out from its competitors with its Dual Spectrum CHIRP Sonar technology, SwitchFire Sonar, and Bluetooth connectivity. While other fish finders may offer some of these features, the Helix 7 combines them into one comprehensive package.


  • Dual Spectrum CHIRP Sonar technology for maximum coverage and detail
  • SwitchFire Sonar for customizable sonar returns
  • Bluetooth connectivity for wireless software updates and remote control
  • LakeMaster and Navionics compatibility for detailed maps
  • Ethernet networking capability for additional features


  • Slightly higher price point compared to entry-level fish finders


Does the Helix 7 come with a mounting bracket?

Yes, the Helix 7 comes with a gimbal mounting bracket.

Can the Helix 7 be used for both freshwater and saltwater fishing?

Yes, the Helix 7 is suitable for both freshwater and saltwater fishing.

How do I update the software on my Helix 7?

You can update the software wirelessly through the Humminbird FishSmart App via Bluetooth connectivity.

Does the Helix 7 have a temperature sensor?

Yes, the Helix 7 has a built-in temperature sensor.

What is the CHIRP range of the Dual Spectrum CHIRP Sonar?

The CHIRP range of the Dual Spectrum CHIRP Sonar is 150-220kHz.


The Helix 7 Chirp DS GPS G3N Fish Finder is a top-of-the-line product that offers a range of features and benefits for both freshwater and saltwater fishing. Its Dual Spectrum CHIRP Sonar technology combined with SwitchFire Sonar, Bluetooth connectivity, and compatibility with LakeMaster and Navionics maps make it a comprehensive and versatile tool for any angler.

While the 7-inch display may not be the largest on the market, it provides ample room to view the many pre-loaded split-screen view options. Additionally, the Helix 7’s Ethernet networking capability allows for communication with other compatible Humminbird, Minn Kota, and Cannon products, unlocking even more features with the One-Boat Network.

Overall, the Humminbird Helix 7 Chirp DS GPS G3N Fish Finder is an excellent investment for any angler looking to take their fishing game to the next level. Its innovative features, ease of use, and reliable performance make it a standout product in the market.

Know more: Best Fish Finder Under $500

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