Humminbird

Humminbird HELIX® 7 CHIRP Fishfinder/GPS Combo G3 w/Transom Mount Transducer

SKU: 73572 · UPC: 082324053313 · MPN: 410930-1
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02 · Overview

Humminbird HELIX® 7 CHIRP Fishfinder/GPS Combo G3 w/Transom Mount Transducer — Product description

Unlock Deeper Waters with Advanced Sonar and Mapping

Imagine gliding across your favorite lake, pinpointing schools of bass huddled around submerged timber or walleye suspended over a rocky drop-off—all before dropping your line. The HELIX 7 CHIRP G3 delivers that edge with its crystal-clear sonar imaging and real-time mapping tools. Anglers swear by its ability to reveal the underwater world in stunning detail, turning guesswork into precision strikes. Whether you're chasing crappie in shallow bays or trolling for salmon in deep channels, this unit adapts to your style, offering split-screen views that let you monitor multiple data streams without missing a beat.

Master the Depths: Dual Spectrum CHIRP and SwitchFire Sonar

Dual Spectrum CHIRP sonar stands out by blending wide-area scanning for broad coverage with narrow-beam precision for fine details. In wide mode, sweep vast areas to locate fish fast; switch to narrow for razor-sharp separation of individual targets from bottom clutter. This proprietary tech uses a low Q transducer to produce those iconic, elongated fish arches that experienced anglers recognize instantly.

Pair it with SwitchFire Sonar, and you gain full control over your display. Toggle between Cleanse mode for simplified, clutter-free views in turbulent water or Max+ mode to reveal every nuance, including your jig's descent through the water column. It's like having a customizable lens for varying conditions—shallow weedy flats or deep, thermocline-layered reservoirs.

Chart Your Own Path: AutoChart Live and Basemap Precision

Humminbird Basemap provides a solid foundation with high-definition contours for over 10,000 inland lakes and U.S. coastal waters. Spot hazards, marinas, and depth markers effortlessly, ensuring safe navigation even in unfamiliar territory.

Take it further with AutoChart Live, which lets you generate personalized maps on the fly. As your boat moves, it records depth, vegetation density, and bottom hardness—up to eight hours of data. Compatible with LakeMaster charts, unlock shaded depth highlights and searchable lake databases for tournament-level intel. No more relying on outdated paper maps; build your secret spots digitally.

Ultra-Wide Viewing: 7-Inch Brilliance for Multi-Tasking

The generous 7-inch, 1280x800 pixel display shines in sunlight, supporting a slew of preloaded split screens. Track GPS waypoints (up to 2,750), routes (47), and tracks (50) while overlaying sonar and charts. Keypad controls keep operations intuitive, even with gloves on, and features like screen snapshots and sonar recording capture key moments for later review.

Customizable readouts, temperature graphs, and alarms add practical value—set alerts for depth changes or water temp shifts to target species' comfort zones.

Core Specifications at a Glance

Feature Details
Display Size 7" diagonal, 1280H x 800V pixels
Sonar Type Dual Spectrum CHIRP (standard)
CHIRP Frequencies Wide: 140-200 kHz, Narrow: 180-240 kHz, Full: 150-220 kHz
Max Depth 1,200 ft (standard transducer)
Power Output (Peak-to-Peak) 4,000 Watts
GPS Capabilities Internal receiver, trackplotting, waypoints
Mounting Options Gimbal (standard), In-dash kit optional
Transducer XNT 9 HW T (transom mount)

Ready to Install: Complete Kit for Quick Setup

Everything you need arrives in the box: transom-mount transducer, gimbal bracket, power cable, and mounting hardware. Most boaters have it operational in under an hour, with straightforward wiring that taps into your 12V system.

Pro Tip: Position the transducer parallel to the waterline at rest for optimal readings, and route cables away from interference sources like trolling motors.

Angler-Tested Strategies to Maximize Your HELIX 7 G3

  • Target Structure: Use narrow CHIRP to differentiate baitfish clouds from gamefish shadows near ledges.
  • Map Hotspots: Run AutoChart during pattern scouting; export data for future trips.
  • Split-Screen Power: Combine sonar side-by-side with GPS for live-follow of contours while drifting.
  • Seasonal Tweaks: Dial in SwitchFire for ice fishing's soft bottom returns or summer's stratified layers.

Frequently Asked Questions

What makes Dual Spectrum CHIRP better than traditional sonar?

It offers dual-mode scanning—wide for coverage, narrow for detail—producing clearer fish arches and structure separation without manual frequency tweaks.

Can I create custom maps with this fishfinder?

Yes, AutoChart Live maps depth, hardness, and vegetation in real-time, storing up to eight hours of data on the included micro SD slot.

Is the display sunlight readable?

The 7-inch TFT color screen performs well in bright conditions, with high contrast and anti-glare properties favored by day-boat anglers.

What charts come preloaded?

Humminbird Basemap includes contours for 10,000+ lakes and U.S. coastal charts, highlighting key navigation aids like buoys and hazards.

Does it support upgrades like LakeMaster?

Absolutely—plug in LakeMaster or Navionics cards for enhanced detail, including depth shading and lake lists.

What's the maximum depth capability?

Up to 1,200 feet with the standard transducer, extendable to 3,500 feet with optional low-frequency models.

California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer or reproductive harm.

HELIX® 7 CHIRP Fishfinder/GPS Combo G3 with Transom Mount Transducer

The HELIX 7 CHIRP GPS G3 fish finder features Dual Spectrum CHIRP Sonar, AutoChart Live, GPS and Humminbird Basemap built-in. The 7", ultra-wide display gives you ample room to view the many pre-loaded split screen view options. 

Features:

  • Dual Spectrum CHIRP: Before you cast, know what's down there thanks to long, well-defined fish arches, and a clear view of fish-holding structure and the bottom. Powered by our proprietary, Low Q CHIRP transducer, Dual Spectrum offers two ways to search: wide mode for maximum coverage and narrow mode for maximum detail.
  • SwitchFire Sonar: Take command of how your sonar returns appear. With two display modes, you can add or remove detail, account for water depth, temperature and turbulence, even watch lure presentations - all at the push of a button.
  • Humminbird Basemap Built-in: Our enhanced standard basemap provides you with a clear view of underwater terrain and surrounding points of interest so you can fish and navigate with total confidence. Identify buoys, day markers, hazards, marinas, contours, depth markers and much, much more. Includes charts of more than 10,000 lakes, plus coastal coverage for the U.S.
  • AutoChart Live: Create real-time maps of your fishing spots, with access to patented Humminbird® LakeMaster® features. Map depth contours, bottom hardness and vegetation as you drive your boat, with eight hours of built-in recording time.
  • LakeMaster Compatible: Upgrade to the unrivaled accuracy and detail of Humminbird LakeMaster maps. From easy-to-read contours, to highlighted depth ranges, to scrollable lake lists, you'll have all the tools you need to make every moment count
  • Includes transducer and mounting hardware, power cable, gimbal mounting bracket

WARNING: This product can expose you to chemicals including 1,3-Butadiene which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.



The 7-inch ultra-wide display provides you with plenty of room to view many pre-loaded split-screen display options. Before launching, thanks to well-defined long-term content, you know what to do...
SKU: NVN-73572
MPN: 410930-1
UPC: 082324053313
03 · The numbers

Technical specifications

BrandHumminbird
ModelHumminbird HELIX® 7 CHIRP Fishfinder/GPS Combo G3 w/Transom Mount Transducer
SKU / MFR#73572

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04 · Before you buy

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05 · Customer voices

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