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  • Humminbird 678c HD Fishfinder

    Item # 770490
    Sold Out
    Additional Information:
    • This item can only be shipped to U.S. addresses.
    • Additional discounts do not apply.


    • Brilliant 5" HD LCD display

    • 640V x 480H resolution

    • DualBeam PLUS with SwitchFire Sonar

    • Easy-to-use X-Press Menu System

    • Transom-mount transducer included

    Product Summary 

    Humminbird 678c HD Fishfinder

    With hallmark technologies like SwitchFire sonar, the Humminbird 678c HD Fishfinder provides expansive fishfinding power at a compact price. A brilliant 5" HD LCD display with 640V x 480H resolution delivers amazing clarity. The easy-to-use X-Press Menu system combines with advanced sonar features to provide you with the perfect fishfinding package. Convenient Tilt and Swivel Quick Disconnect or in-dash mount. 500 watts RMS.

    Humminbird 678c HD Advanced Sonar Features
    • SwitchFire Sonar
    • Split Screen Zoom
    • Split Screen Bottom Lock
    • Wide Narrow Cone Split Screen
    • Instant Image Update
    • Freeze Frame
    • Selective Fish ID+
    • Real Time Sonar RTS Window
    • Sonar Echo Enhancement
    • TrueArch Technology

    Humminbird 678c HD User-Friendly Technology
    • Large Digits View
    • Custom View Selections
    • Custom Digital Readout Selection
    • Selectable Display Colors
    • Selectable Background Colors
    • View Preset Keys
    • Temperature Alarm
    • X-Press Menu System

    • 5.0" diagonal, 256-color TFT with 640V x 480H resolution

    DualBeam PLUS Sonar Coverage:
    • 200 kHz / 20° @ -10db
    • 83 kHz / 60° @ -10db
    • Depth: 1500'

    Other Humminbird 678c HD Features
    • Target Separation: 2.5"
    • Temperature Included
    • Speed Capable
    • Backlight
    • Waterproof
    • Comes Standard with XNT-9-20-T Transducer for Inside Hull or Transom-Mounting

    • Unit Size with Quick Disconnect Mount: 6.9"W x 7.5"H x 4.5"D
    • Optional In-Dash Mount Size: 6.9"W x 5.4"H x 1.25"D

    • Power Output: 500 Watts (RMS) / 4,000 Watts (Peak-to-Peak)
    • Power Input: 10-20 VDC
    • Power Draw: 615mA