Humminbird 581i HD DI Fish Finder/GPS Combo

$199.97 $299.99*
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Humminbird 581i HD DI Fish Finder/GPS Combo - Dick's Sporting Goods
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Product Information:

The Humminbird® 581i HD DI Fish Finder/GPS Combo is outfitted with incredible Humminbird® technologies, GPS features and components. The 5" HD display monitor has split screen zoom and freeze frame with the ability to mark structures on sonar, and selective Fish ID+ to detect surrounding fish. Down Imaging® produces detailed snapshots of what's below your boat, and the DualBeam PLUS™ sonar expands coverage and depth underwater.

  • Humminbird fish finder/GPS combo
  • 5" HD display monitor with 16 level grayscale
  • Down Imaging® sonar produces a snapshot of what is under your boat
  • Built in UniMap™
  • DualBeam PLUS™ expands coverage and depth underwater
  • Switchfire Sonar has 2 display modes to adjust conditions at will
  • Split screen zoom increases displayed resolution
  • Split screen bottom lock
  • Wide Narrow Cone Split Screen separates the sonar data on screen
  • Freeze Frame with the ability to mark structures on sonar
  • Selective Fish ID+ detect surrounding fish
  • Real Time Sonar RTS Window updates fast to show updates from the bottom, structure and fish within the transducer beam
  • Sonar Echo Enhancement
  • TrueArch Technology eliminate unwanted interference and noise
  • 3D Chart view
  • Selectable background and display colors
  • Sonar coverage: 16, 28, 45, 75 degrees
  • Down Imaging depth: 350 ft.
  • DualBeam depth: 600 ft.
  • Navionics compatible
  • GPS features trackplotting, chartplotting, GPS speed and Humminbird UniMap™
  • Power Output: 500 Watts (RMS), 4000 Watts (Peak to Peak)
  • Humminbird
Country of Origin: United States
Web ID: 19063516

Customer Reviews:

Rated 3.7 out of 5 by 7 reviewers.
Rated 2 out of 5 by This product is difficult to see in the daylight This 581i HD DI is hard to see in the daylight, the GPS will turn off by it's self while you are operating the boat. July 8, 2014
Rated 3 out of 5 by Should have purchased the color model This unit excels at the basic functions but I find the monochrome hard to view on clear days. I purchased it for the larger screen and thought I wouldn't need a color display but I'm having a little buyers remorse. I might be able to tweak the contrast. The down imaging is a nice feature and the menu is easy to navigate. The built-in map is unimpressive and this unit won't accept the better maps that Navionics offers. May 28, 2014
Rated 5 out of 5 by Hummingbird Model 581 I bought this unit to replace a still working Hummingbird Wide View i have been using 20 years the new unit far exceeds the old unit in performance and screen clarity. The GPS feature has even very small area lakes on the chart and seems very accurate. May 6, 2014
Rated 1 out of 5 by am taking this unit back. not at all satified with this fish finder. will return it after trying every thing to get a good picture. Way too much clutter and when reducing gain, can hardly see structure, would not show fish, no matter what setting. Tried setting it to default mode and still not good. April 6, 2014
Rated 5 out of 5 by oh yeah picked this baby up 2 weeks ago and I love it. had it installed in about an hour. more than happy with it. so many features that it takes some getting used too but outside of that its worth every penny. buy it you wont regret it April 6, 2014
Rated 5 out of 5 by Great Fishfinder/GPS Combo I purchased a 581i HD DI Fish Finder/GPS fron Dick's in May and it is a great unit at a great price. Down imaging is a useful feature as are the many other options on this black and white unit. And Humminbird hits a home run when it comes to customer service and satisfaction. One word of caution - the black and white unit does not load Navionics gold cards in spite of Navionics assurances that the Gold is compatible because this unit lacks the memory of other 500 series color units and will hang up. No big deal, just check with Humminbird customer service before you buy a card - the Navionics premium product works fine I'm told, but pick your product and run it by Humminbird. If you want to go for the Gold, upgrade to the 597 color unit - more bucks but also a killer unit. August 20, 2013
Rated 5 out of 5 by Love great product! Perfect, but color would be better! April 2, 2013
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