Humminbird Fish Finder 581i HD DI Combo Review

The Humminbird 581i HD DI Combo, is also one of the new models with HD display and Down Imaging, as it’s name suggests it. Although it only features a black and white screen, 16 lvl grayscale, the images for both SwitchFire and Down Imaging, and also the mapping displays, are quite clear and accurate.

The 581i HD DI Combo has a medium size screen, 5-inch diagonal, 640×320 pixel resolution. Along with the Down Imaging option, come quite a few other very useful features. For example, this

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Hummingbird Fish Finder 571 HD DI Portable Review

The Humminbird 571 HD DI Portable is one of the latest models in the Humminbird 500 series. So far, it’s one of the best monochrome units with Down Imaging that you can have.

It features a 5-inch diagonal, 16 LvL Grayscale screen, 640X320 pixel resolution. Even though it’s black and white, it provides excellent, crystal-clear images, with very little noise, making it very easy to distinguish between structures, vegetation and fish.

This unit is equipped with a sensitive sonar, Dual Beam

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Hummingbird Fish Finder PiranhaMax 165 Portable Review

This Piranhamax model comes to replace the 160 Portable. Although the two units are quite similar, there are a few differences between them.

First of all, the Humminbird Piranhamax 165 PT has a better display than the older model, featuring a 240 x 160 pixel resolution, on a 4-inch diagonal screen, 8 level grayscale. This new screen provides a better, clearer image.

On the other hand, the 165 Portable does not have a dual beam sonar. It’s has only single beam sonar capabilities, projecting

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Hummingbird Fish Finder PiranhaMax 180 Review

The Hummingbird Fish Finder PiranhaMax 180 is also on the list of cheap Hummingbird Fish Finders. However, if it’s a low cost fish finder that doesn’t mean is less performant. Although it cannot be compared with the Hummingbird fish finders in the 800, 900 and 1100 series, as it doesn’t have an explosion of features, it still is an effective device for finding fish.

The Hummingbird Fish Finder PiranhaMax 180 is equipped with a monochrome display, similar to the PiranhaMax

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Hummingbird Fish Finder PiranhaMax 170 Review

Similar to its other PiranhaMax monochrome brothers, the Hummingbird Fish Finder PiranhaMax 170 is also a fishfinding oriented device, really cheap unit, with a price under $100.

The unit’s electronic head device, is similar to the PiranahMax 150 and 160, but this one has better wattage. It goes up to 1600 Watts (PTP) which gives it a better depth penetration. This unit is quite reliable for fishing in waters up 800 feet deep.

Also, this unit has a better screen resolution, 240 x 160 pixels

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