Angling experience at depths of 3000 feet is maximized by using the Humminbird 678c. The Sonar is SwitchFire for extreme depth and coverage is dual beam, delivering 8000 watts of power output. This rugged and user friendly device comes with a high resolution display viewable in the brightest of sunlight.

Specifications and Features:
Display Size: 5.0 inch diagonal
Display Pixel Matrix : 640V x 480H
Display Type: Color TFT
Display Colors/Grayscale: 256 Colors
Extreme Depth DualBeam PLUS Sonar Coverage
200 kHz / 20° at 10db
83 kHz / 60° at 10db
50 kHz / 74° at 10db
Target Separation: 2.5 inch
Power Output (RMS): 1000 Watts (RMS)
Power Output (Peak to Peak): 8000 Watts (Peak to Peak)
Temperature: Included
Speed: Capable
Backlight: Yes
Waterproof: Yes
Mount: Quick Disconnect
Unit Size: 6.9 inch width x 7.5 inch height x 4.5
Mount: Optional In dash
Unit Size: 6.9 inch width x 5.4 inch height x 1.25
Transducer Standard: x NT 9 DB 74 T
Transducer Mounting: Inside Hull or Transom
Power Input: 10 20 VDC
Power Draw: 615mA
xtreme Depth Sonar
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