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Humminird Humminbird 778c HD Sonar

Discontinued. Browse our selection of other great fishfinders >>

The 778c HD features a Best in Class color, ultra-high resolution 640V x 640H 5" display, DualBeamPLUS sonar with 4000 Watts PTP power output, and advanced Fishing System capabilities. In addition, it includes three programmable preset buttons to save your favorite views.

Humminbird 778c HD Overview:  

• 5.0" diagonal
• 640V X 640H
• 256 Color TFT

• Waypoints: 750
• Routes: 0
• Tracks: 10 with 2,000 points each

Power Output
• 500 Watts (RMS)
• 4000 Watts (Peak-to-Peak)

GPS Features
• 16 Channel GPS (optional)
• Trackplotting (optional)


DualBeam PLUS
• 200 kHz / 20˚ @ -10db
• 83 kHz / 60˚ @ -10db
• Depth: 1500 ft.

Network Modules
• Ethernet (optional)
• WeatherSense (optional)
• Wireless Sonar Link (optional)
• CannonLink (optional)
• Interlink (optional)

Humminbird 778c HD Specifications:

Display Size:
5.0" diagonal
Display Pixel Matrix:
640V x 640H
Display Type:
256 Color TFT
Sonar Coverage
200 kHz / 20˚ @ -10db
83 kHz / 60˚ @ -10db
Sonar Optional:
QuadraBeam PLUS
Target Separation:
2.5 inches
Power Output (RMS):
500 Watts (RMS)
Power Output (Peak to Peak):
4000 Watts (Peak-to-Peak)
Quick Disconnect
Unit Size:
6.9" W x 7.5" H x 4.5" D
Optional In-dash
Unit Size:
6.9" W x 5.4" H x 1.25" D
Transducer - Standard:
Transducer Mounting:
Inside Hull or Transom
Power Input:
10-20 VDC
Power Draw:
Lights off: 615mA

Monitor fishing conditions with the Humminbird WeatherSense Barometric Pressure Monitor.

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User's Manual

Humminbird logo

Humminbird 778c
778c HD

Advanced Sonar Features
Switchfire Sonar
• Split Screen Zoom

• Split Screen Bottom Lock
• Wide Narrow Cone Split Screen
• Instant Image Update
• Selective Fish ID+
• Real Time Sonar RTS Window
• Sonar Echo Enhancement
• TrueArch Technology
Get More Details

User-Friendly Technology
• Custom Digital Readout Selection
• Custom View Selections
• Large Digits View
• Selectable Display Colors
• Selectable Background Colors
• View Preset Keys
• Temperature Alarm
• X Press Menu System

Get More Details

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Sonar/chartplotter combo with 9” screen, side imaging, dual beam sonar

1197c SI Combo
Sonar/chartplotter combo with 10.4" screen, side imaging, dual beam sonar

Humminbird 778c HD Sonar
International Version

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