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Humminbird 345c DI Review

Humminbird 345c DI has an average rating of 5 out of 5 based on 3 user reviews.


Humminbird 345c DI features a comfortably large 3.5 inch display, with 256 Color, so you can easily identify everything that it’s 16° and 25° beams pick up (for depths of up to 600 ft). The screen can be altered to your preference as it sports both customizable display and background colors. The results are displayed in real time, due to the Instant Image Update feature. And, utilizing its special SwitchFire technology, you can switch between the ultra detailed Max Mode and the simplified Clear Mode, depending on weather conditions.

Because your time is valuable, the Select Fish ID feature allows you to weed out the small fish and focus on just the ones that are worth your effort. You can further narrow down your search via the temperature alarm, which sounds when you reach a specified temperature (important when your fish of choice resides in a certain temperature band). And, you will not need to spend the minutes squinting away at your screen, because of the Large Digits View, which displays critical information in a large, easy to see format.

 Garmin Echo 300cLowrance Elite-4x DSIHumminbird 345c DI
Screen Size3.5 in / 89 mm3.5 in / 89 mm3.5 in / 89 mm
Screen Resolution320 x 240 pixels320 x 240 pixels320 x 240 pixels
Display TypeQVGA, 256 colors256 colors256 colors
Imaging2DDown Imaging2D and Down Imaging
Transducer TypeTransom Mount/Trolling MotorTransom Mount/Trolling MotorTransom Mount/Trolling Motor
Transmit Power300W RMS
2400W Peak-To-Peak
350W RMS
2800W Peak-To-Peak
500W RMS
4000W Peak-To-Peak
Sonar Frequency200/77 kHz455/800 kHz200/455 kHz 2D
455/800 kHz Down Imaging
Maximum Depth1500 ft200 ft600 ft 2D
250 ft Down Imaging

User Reviews

Posted by woody57

  • 5/5

This is a great buy if you’re looking to add a second fishfinder on your boat and your first has GPS. Down Imaging is awesome especially if you fishing on lakes with submerged structures. Very easy to use and the display is clear. 5 STARS!!!

Posted by BlakeB72

  • 5/5

It’s a smaller fishfinder – only 3.5 inch display – but you get a lot for the money. The display detail is excellent – everything below the boat is clearly visible. I even got a free shielded power cord from Humminbird to eliminate interference with the auto pilot.

Posted by jman

  • 5/5

This unit was a replacement for an older HB 565 model that finally bit the dust. I must say I’m pleasently surprised with 345c DI. I don’t use the down image much since it doesn’t help me find fish but the 2D sonar is excellent. It’s much more sensitive than the old 565 and I’m getting very clear picture with the power output set to 11, just above 50% power. I also like the freeze frame feature and the split screen with the 2 frequencies displayed together.

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