581I B&W Fishfinder W/Gps

alaTest has collected and analyzed 37 user reviews of the Humminbird Fishfinder 581i Combo W/ Internal Antenna from Amazon.com. The average user rating for this product is 4.0/5, compared to an average user rating of 4.0/5 for other products on Amazon.com.

works great I enjoy haveing the extra unit on my trolling moter where I can find those drop offs and it has improved my fishing ability, works just as desribed

Great unit, easy to install if you have a rough idea on installing electronics. Unit is a pleasure to use and has a ton of features and settings for basic or advanced operation. A good transom mount installation is needed for success. Otherwise...

This this the best fish finder ever. I think it beats out all of the other stuff at twice the price. Easy to use, accurate, and very helpful in avoiding snags with the image capibilities. I have had it for 2 fishing seasons and it will mark the fish if...

So far so good.I hooked it up myself,wasn't to hard.Could't find a 3amp fuse though.Still trying to use all the features.

I purchased one of these units and was so impressed I bought a second unit for the trolling motor. I have used this thing to pin point walleye stacked up at 70ft all the way to 200 feet in Lake Michigan. This sonar is remarkable and a lot more user...

I recently bought this Hummingbird 597 ci HD unit and then the Lakemaster Indiana/Ohio mapping card to go with it and the clarity is awesome, speed of the unit amazing and every feature you can imagine and when the lakemaster chip in in place the...

AWESOME!!! Installed by instructions that came with in maybe an hour and a half. Purchased Michigan Lake Maps to go with and Took out to the lake. I'm not one to read the thick book that came with it but did refer to it a couple times to try to figure...

This is my second hummingbird, however, my first w/ GPS Maps. I am happy once again w/ my choice. Installation wasn't bad but placement of the transducer was made harder by poor instructions. The plastic mount is fine but the way hummingbird uses the...

I purchased this fishfinder for the simple reason of where I go fishing in south carolina, the lake is extremely dangerous if you dont know where you are. With this product, Im never lost. I can mark fishing spots, mark structures, avoid hazards in the...