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  • New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer
  • New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer
  • New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer
  • New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer
  • New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer
  • New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer
New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer

New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer

  • >= 1 Units
    $300
View product details

New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Fish Location & Underwater Mapping: Equipped with 125kHz CHIRP MEGA SI sonar technology and a G3N transducer, the HELIX 12 delivers high-resolution imaging to detect fish schools, structures, and bottom contours in deep or shallow waters.
  • GPS Navigation & Chartplotting: Integrates advanced GPS for real-time location tracking, navigational charts, and waypoint marking, enabling precise route planning and return to spot functionality.

Key features

  • 1. Advanced Material Technology

    • With its rugged, water-resistant composite materials, you can operate the device reliably in harsh outdoor conditions, even in wet or impact-prone environments*

  • 2. Interactive Touchscreen Design

    • With a fully customizable touchscreen interface, you can adjust sonar settings, depth ranges, and navigation parameters effortlessly, streamlining fishing preparation and execution*

  • 3. High-Performance CHIRP Sonar Technology

    • With 125kHz CHIRP sonar technology, you can achieve 30% clearer fish detection and underwater structure imaging compared to traditional single-frequency models*

  • 4. Professional Scenario Solutions

    • With integrated GPS and multi-layer display capabilities, you can simultaneously navigate to prime fishing spots and monitor real-time sonar data, ideal for both recreational anglers and commercial fishing operations*

  • 5. Certified Durability Standards

    • With IP67 water resistance certification, you can ensure protection against water submersion and dust ingress, maintaining device integrity during prolonged outdoor use*

Product details

New in Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N W/Transducer

The Humminbird HELIX 12 CHIRP MEGA SI Fishfinder/GPS Combo G3N combines cutting-edge sonar technology with advanced GPS navigation to deliver unparalleled underwater visibility and precision. With a 12" high-resolution touchscreen, CHIRP MEGA SI sonar, and integrated GPS, this device empowers anglers to locate fish, map structures, and navigate waters with confidence. Its rugged, water-resistant design ensures reliability in harsh outdoor conditions.

Technical specifications

FeatureSpecificationApplication Scenario
Display12" touchscreen with CHIRP MEGA SIDetailed visualization of fish schools and underwater structures
Sonar Technology125kHz CHIRP MEGA SI (up to 2.4MHz)Accurate detection of fish and bottom contours in deep or shallow waters
GPS IntegrationBuilt-in GPS with chartplotterReal-time navigation and waypoint marking for precise location tracking
DurabilityIPX7 water-resistant, rugged casingWithstands exposure to water, salt, and extreme temperatures
TransducerPre-installed 50kHz/200kHz transducerOptimized for clear imaging in varied water conditions

Customization guide

Adjustable parameters include sonar frequency (125kHz to 2.4MHz), depth range (customizable via settings), and display layers (sonar, GPS, and chart叠加). These features allow anglers to tailor the device to specific needs, such as targeting deep-water fish or navigating narrow channels.

Get inspired

Whether you’re fishing in open lakes or narrow rivers, the HELIX 12’s multi-layered display lets you track fish movements, monitor water depth, and plan routes simultaneously. With its advanced CHIRP MEGA SI sonar, you can distinguish between fish species and submerged structures with unmatched clarity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model (HELIX 12)
Screen Size9"10"12"
Sonar Frequency Range50/200kHz83/200kHz125kHz/CHIRP MEGA SI
GPS Accuracy±10m±5m±2m
Storage Capacity8GB16GB32GB

Supplier's note

  1. Technical Breakthroughs:

    • 125kHz CHIRP MEGA SI Sonar: Delivers 30% clearer imaging than traditional 200kHz systems, enabling detection of small fish in cluttered environments.
    • Triple-GNSS GPS: Combines GPS, GLONASS, and Galileo for 20% faster lock-on in dense tree cover or urban areas.
    • Rugged IPX7 Design: Withstands immersion in 1m of water for 30 minutes, outperforming industry-standard IPX6 ratings.

  2. Model Selection Guide:

    • Pro Model (HELIX 12): Ideal for professionals requiring high-resolution imaging and multi-layered data for competitive fishing or charting uncharted waters.
    • Advanced Model: Best for serious anglers needing mid-range performance with enhanced GPS accuracy for lake or river fishing.
    • Base Model: Perfect for casual anglers prioritizing affordability without compromising on essential features like basic sonar and navigation.

With the HELIX 12’s 12" display, you can monitor sonar, GPS, and charts simultaneously. Its 125kHz CHIRP sonar outperforms traditional models by 40% in detecting fish in deep water. Pair this with ±2m GPS accuracy to anchor precisely over drop-offs or reefs. For users needing rugged reliability, the IPX7 rating ensures operation in extreme conditions—ideal for saltwater or icy freshwater environments. Choose the Pro model to unlock premium features tailored to expert anglers.

Frequently asked questions

  • Which Humminbird HELIX 12 CHIRP MEGA SI model is best for large boats and deep-water fishing?

  • How does the 125kHz sonar frequency in the HELIX 12 CHIRP MEGA SI improve fish detection?

  • Can the HELIX 12 CHIRP MEGA SI GPS fishfinder display real-time navigation and sonar data simultaneously?

  • Is the HELIX 12 CHIRP MEGA SI customizable for different fishing conditions?

  • How do I maintain the HELIX 12’s screen and ensure it remains waterproof?

  • What materials make the HELIX 12 CHIRP MEGA SI durable for harsh outdoor use?

  • Does the HELIX 12 CHIRP MEGA SI work with other Humminbird accessories for customization?

  • Is the HELIX 12 CHIRP MEGA SI’s GPS data accurate for offshore fishing?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Sonar FrequencyDeep water fishingIndustry Standard: 50-83kHz (basic models)
Our Base: 83kHz CHIRP ▲
Our Advanced: 125kHz CHIRP ▲▲		▲▲ Advanced: 125kHz provides clarity up to 500ft depth (ISO 9345 compliant).Lower frequencies (Industry) may miss fine details in deep environments.
GPS AccuracyOffshore navigationIndustry Standard: ±3m (basic GPS)
Our Base: ±2m ▲
Our Advanced: ±1m ▲▲		▲▲ Advanced: Precision for marking waypoints (meets NMEA 2000 standards).Requires clear satellite visibility; may lag in dense foliage.
Screen SizeMulti-tasking on the boatIndustry Standard: 7" (typical)
Our Base: 9" ▲
Our Advanced: 12" ▲▲		▲▲ Advanced: Displays layered sonar + charts simultaneously (ISO 12839).Larger screens add bulk and weight; may reduce portability.
Battery LifeAll-day fishing tripsIndustry Standard: 6hrs (standard)
Our Base: 8hrs ▲
Our Advanced: 10hrs ▲▲		▲▲ Advanced: Sustains 10hrs of continuous use (IEC 60825 certified).Heavy-duty batteries increase device weight.
DurabilityHarsh marine environmentsIndustry Standard: IPX6 (water-resistant)
Our Base: IPX7 ▲
Our Advanced: IPX8 ▲▲		▲▲ Advanced: Withstands 3m submersion for 30min (MIL-STD-810H compliant).Higher durability adds cost and weight.
ConnectivityIntegrating with other devicesIndustry Standard: NMEA 0183 (slow)
Our Base: NMEA 2000 ▲
Our Advanced: Wi-Fi/Bluetooth ▲▲		▲▲ Advanced: Real-time data sharing with smartphones/tablets (IEEE 802.11).Requires compatible devices for full functionality.

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.