Top 5 Editorial Picks

Five current fishfinders chosen for distinct buyer needs—from compact value to a premium expandable system. These are editorial selections, not Amazon or reader ratings.

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  1. 1
    Garmin STRIKER Vivid 4cv, Easy-to-Use 4-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Sonar Color Palettes 4 Inch STRIKER Vivid 4cv Transducer

    Best Compact Value

    Garmin STRIKER Vivid 4cv

    A straightforward sonar and GPS unit for kayaks, jon boats, and small boats.

    • CHIRP and ClearVü scanning sonar in a compact package
    • A sensible pick when you do not need a chartplotter or SideVü
    • Best fit for budget-conscious small-boat anglers
  2. 2
    Garmin STRIKER Vivid 4cv, Easy-to-Use 4-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Sonar Color Palettes 7 Inch STRIKER Vivid 7sv Transducer

    Best All-Around 7-Inch Fishfinder

    Garmin STRIKER Vivid 7sv

    A capable sonar-first choice for anglers who want a useful 7-inch display without moving into a full chartplotter system.

    • CHIRP, ClearVü, and SideVü sonar for fish and structure
    • Simple setup with a practical 7-inch screen
    • Strong value for most general boat anglers
  3. 3
    Garmin ECHOMAP UHD2 73sv with GT54 Transducer, 7” Touchscreen Chartplotter, Garmin Navionics+ U.S. Inland 7' Garmin Navionics+ U.S. Inland with GT54 Transducer

    Best GPS & Chartplotter Upgrade

    Garmin ECHOMAP UHD2 73sv

    The mapping step-up for buyers who need confident navigation as well as high-quality scanning sonar.

    • Garmin Navionics+ U.S. Inland mapping and touchscreen control
    • Ultra High-Definition ClearVü and SideVü sonar
    • A better fit than STRIKER when charts matter
  4. 4
    Humminbird XPLORE Series GPS Fish Finder MEGA Side Imaging+ & HD Touchscreen Display Transducer Included) 9-Inch Display

    Best Side-Imaging Upgrade

    Humminbird XPLORE 9

    A current 9-inch imaging platform for anglers ready to build around serious side imaging and boat integration.

    • MEGA Side Imaging+ and MEGA Down Imaging+
    • 9-inch display with touchscreen and keypad control
    • Recommended configuration: 9-inch, transducer included
  5. 5
    Lowrance HDS PRO Fish Finder/Chartplotter with C-MAP, 9 to 16-inch Options 10 Inch ActiveImaging HD 3-in-1

    Best Premium Expandable System

    Lowrance HDS PRO 10

    A larger-boat platform for buyers who want premium sonar, mapping, networking, and a serious expansion path.

    • Active Imaging HD and C-MAP charting
    • Wide networking support for integrated electronics
    • Ready to expand with ActiveTarget 2 and the Lowrance ecosystem

Lowrance Hook2-4x Review

Lowrance Hook2-4x

While not the flagship model of the brand, the Lowrance Hook2 4X is definitely an intriguing fishfinder that offers plenty of value at an incredibly reasonable price point. That said, with increasingly stiff competition coming from Garmin, Helix, and Humminbird, Lowrance certainly has its work cut out for it to remain relevant in an increasingly crowded and competitive market.

The Lowrance Hook2 4X is actually the lowest end of Lowrance’s revitalized Hook2 series. That said, it still provides a surprising amount of value for most of your basic needs, though it is definitely more suited for certain types of fishing. For instance, it is not necessarily going to blow you away with loads of bells and whistles–that’s what the Hook2 X12 is for–but it will provide a reliable experience in low-lying freshwater with the ability to handle some deeper lakes as well.
One thing to keep in mind is that the Lowrance Hook2 4X actually comes in 2 different models: one with a GPS antenna and one without. While this will not affect the Hook2 4X’s ability to detect the fish in any way, it will either provide additional course tracking options or not. Considering the difference between the two models generally ranges about $20 and both models cost under $150, there is little reason not to opt for the Lowrance Hook2 4X with the GPS antenna.

When it comes to judging fishfinders, the single most important factor is how well it detects the fish. While this may seem a somewhat simple consideration, there are actually a whole host of features and qualities that ultimately influence and determine a given fishfinder’s ability to actually detect fish. In this regard, the Lowrance Hook2 4X performs admirably for its price point, though the transducer may leave a bit to be desired for more serious fisherman.

Beam

This quality is definitely a bit of a mixed bag. On the one hand, the Hook2 4X does offer a wide-angle sonar beam. On the other hand, this fishfinder only provides a single beam. What this means is that you will likely not miss detecting a fish within a wide range of area, but neither will you be provided with exceptionally detailed information when directly above the fish either.

Frequency

This is definitely one of the areas where the Lowrance shines. Along with Garmin, Lowrance has been one of the companies instrumental in making the CHIRP sonar technology become nearly a must have for most worthwhile fishfinders. While higher-end models will certainly want to be able to isolate frequency channels for specific settings, even they too will often include a CHIRP sonar system as a general approach alongside whatever specialized systems they include.
The reason for this popularity is that the CHIRP sonar does not actually use a single frequency and instead sends out a range of frequencies in ascending order. The most common frequencies to be included in a CHIRP sonar are 50, 83, 192, and 200 kHz. What this does is allow the sonar to provide varying levels of range and detail which are then collated by the fishfinder’s software to present the most accurate representation that it can.
While the Lowran