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Home > Marine Electronics > Fish Finders > Johnson Outdoors 581i Marine GPS Navigator

Johnson Outdoors 581i Marine GPS Navigator

5" - MultiMediaCard (MMC), Secure Digital (SD) Card

Johnson Outdoors 581i Marine GPS Navigator
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Johnson Outdoors 581i Marine GPS Navigator
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Item No.  550342
Mfg Part No.  407330-1
Product Condition:  New
Manufacturer:  Johnson Outdoors

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30 Day Return Policy

Highlights for Johnson Outdoors 581i Marine GPS Navigator
  • Form Factor:Mountable
  • Display Resolution:640 x 320

The 581i Combo features an ultra-high resolution, 16 level grayscale 640V x 320H 5" display, DualBeam PLUS sonar with 2000 Watts PTP power output, and GPS Chartplotting with built-in UniMap.


  • Freeze Frame with ability to Mark Structure on Sonar
  • Real Time Sonar RTS Window
  • Selective Fish ID
  • Sonar Echo Enhancement
  • Split Screen Zoom
  • Wide Narrow Cone Split Screen
  • Custom Digital Readout Selection
  • Custom View Selections
  • Large Digits View
  • Quick Disconnect Mounting System
  • Triplog
  • X Press Menu System


  • Display Size: 5.0" diagonal
  • Display Pixel Matrix: 640V x 320H
  • Display Type: FSTN LCD
  • Display Colors/Grayscale: 16 Level Grayscale
  • DualBeam PLUS
    • Sonar Coverage
      • 200 kHz / 20 @ -10db
      • 83 kHz / 60 @ -10db
  • Target Separation: 2.5 inches
  • Power Output (RMS): 250 Watts (RMS)
  • Power Output (Peak to Peak): 2000 Watts (Peak-to-Peak)
  • Temperature: Included
  • Speed: GPS Speed Included
  • Backlight: Yes
  • Waterproof: Yes
  • Mount: Quick Disconnect
  • Unit Size: 7" H x 7" W x 4" D
  • Transducer - Standard: XNT-9-20-T
  • Transducer Mounting: Inside Hull or Transom
  • Power Input: 10-20 VDC

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Johnson Outdoors 581i Marine GPS Navigator

5" - MultiMediaCard (MMC), Secure Digital (SD) Card

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