Humminbird Fishfinder 581i Hd Di Combo

581i HD DI Combo

Combine pristine picture quality with features usually found in higher-end models, including Side Imaging® and color or monochrome displays. Versatility makes the 500 Series™ perfect for a wide range of boats..

It doesn't matter what you're fishing for-any Humminbird® fishfinder will help you see your prey and its surroundings more clearly. To find the Humminbird that's right for you, consider your boat type, fishing style, price range and the features you can or can't live without. Use the chart below to select the Series that best meets your needs.

Display Size:
5" Diagonal
Resolution:
640V x 320H
Display Type:
FSTN LCD
Sonar - Standard:
Dual Beam PLUS™
Sonar Coverage:
16°, 28°,45° & 75° @ -10db
Sonar Frequency:
455/800/200/455kHz
Target Seperation:
2-½"
Power Output (Max):

-300W (RMS)

-2400W (PTP)

Depth Capability:
800'
Temperature:
Included
Speed:
GPS Speed Included
Mount:
Quick Disconnect
Power Input:
10-20VDC

Other Features Include:

• SwitchFire Sonar
  
• HumminbirdPC
  
• Upgradeable Internal Software
  
• Split Screen Zoom
  
• Split Screen Bottom Lock
  
• 3D Chart View
  
• Large Digits View
  
• Wide/Narrow Cone Split Screen
  
• Custom View Selections
  
• Custom Digital Readout Selections
  
• Selectable Display Colors
  
• Instant Image Update
  
• Selective Fish ID+
  
• Real Time Sonar
  
• Sonar Echo Enhancement
  
• Triplog
  
• X-Press. Menu System

Manufacturer Part Number: 408990-1

• Basemap = Yes
• Card Format = SD
• Cartography - Preloaded = No
• Cartography Brand = Navionics
• Cartography Type = Platinum/Gold/Silver
• Frequency = 455/800/200/455
• Included Transducer = XNT-9-DI-T
• Internal/External Antenna = Internal
• Resolution (VxH) = 640 x 320
• Screen Size = 5" Diagonal
• Screen Type = Grayscale
• Speed/Temp = Temp Only
• Touchscreen = No
• Transducer Type = Transom Mount
• Waterproof Rating = Waterproof
• Watts RMS - Max = 300
• Waypoints/Routes = 2,500/50

Product Manual (PDF)