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Humminbird PIRANHAMAX 4 Fish Finder Black

Curated from 71 real Reddit conversations

Refreshed on: March 23, 2025

Humminbird PIRANHAMAX 4 Fish Finder Black

Brand: Humminbird

Price: $103

Snoop Score:

5.5

Sentiment

5.0

Popularity

10.0

Technical

4.0

Buy on Amazon for $103 See All Fish Finders & Depth Finders Reviews

As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The Humminbird PIRANHAMAX 4 Fish Finder is a dedicated fish finding device engineered to deliver aquatic insights through dual beam sonar technology. It scans underwater environments with both narrow and wide beams to reveal fish locations, underwater structures, and contours with precision. Consumers have weighed in with mixed sentiments; one user remarked, “humminbird does great at finding fish but the ‘chart plotter’ interface is absolute garbage,” highlighting the product’s stellar fish detection capabilities while critiquing its usability. Another feedback noted that although the fish finder is "very nice" due to its mega 360 imaging, other features leave much to be desired. These insights underscore a consensus: while its core function shines, ancillary features might disappoint. In conclusion, if fish detection is your sole priority, this device comes highly recommended; however, if a robust, user-friendly interface is critical, you might want to weigh your options carefully.

Not for you? Check out our other rated Fish Finders & Depth Finders

From his experience of owning hummingbird fish finders is that they are very nice (specifically due to having mega 360 imaging) the rest of the features are lackluster.
Positive Feedback

That knowledge DID help me catch more fish.
Insightful Chatter

5.5

Humminbird PIRANHAMAX 4 Fish Finder Black

Buy on Amazon for $103

Optimized Fishing Performance

3 / 10

Enhanced Navigation

4 / 10

Versatile Mounting Options

9 / 10

Real-Time Underwater Monitoring

3 / 10

See how this compares to all Fish Finders & Depth Finders

What it does well!

Key strengths users can’t stop talking about.

Effective fish detection with mega 360 imaging

“From his experience of owning hummingbird fish finders is that they are very nice (specifically due to having mega 360 imaging) the rest of the features are lackluster.”➕

“humminbird does great at finding fish but the “chart plotter” interface is absolute garbage.”➕

Compare On All Talked About Dimensions

Product Name	Price	Score	See Details	Buy Now
Lowrance HOOK2 4X - 4-inch Fish Finder with Bullet Skimmer Transducer	$107	7.5	Details	Buy
Garmin Striker Vivid 5cv	$299	7.1	Details	Buy
Garmin Striker Vivid 4cv	$159	6.8	Details	Buy
Hawkeye FishPod® 5X Bluetooth Fishfinder	$54	6.4	Details	Buy
Humminbird Helix 7 Chirp MDI GPS G4 Fish Finder	$549	6.1	Details	Buy
Humminbird XPLORE 10 GPS Fish Finder	$2136	6.1	Details	Buy
Humminbird PIRANHAMAX 4 DI Fish Finder	$158	5.9	Details	Buy
Humminbird HELIX 5 SONAR G2 Fish Finder	$203	5.7	Details	Buy
Humminbird PIRANHAMAX 4 Fish Finder Black	$103	5.5	Details	Buy
Lowrance HOOK Reveal 5 SplitShot	$387	5.4	Details	Buy
LUCKY Kayak Portable Fish Depth Finder	$42	3.9	Details	Buy
Lowrance HOOK Reveal 9 TripleShot	$484	3.6	Details	Buy
Lowrance Elite FS 9 Fish Finder	$825	2.8	Details	Buy
Venterior Portable Rechargeable Fish Finder Wireless Sonar Sensor	$85	2.4	Details	Buy
ReelSonar Portable Fish Finder Accurate Fish Depth Finder	$81	0.8	Details	Buy

Core Power Plays

The specs and strengths that make it shine.

Fish finders provide useful depth, structure, and drop‐off information

“That knowledge DID help me catch more fish.”➕

“It's primary purpose is displaying the depth and rate of depth change so you can be more informed about where and how to fish, secondary to that would be displaying any other structure you would never know existed.”➕

“I like to spend cash on gear and I do ok, but my buddy is a pretty good fisherman and I watch him pull up fish after fish with a $40 Ugly Stik GX2.”➕

Appreciation for impressive marine imagery and electron microscopy

“This is incredible! Thank you so much for taking the time to put it together.”➕

“Very high quality pictures thank you!”➕

Screen size and design trade-offs

“My wife say she prefers the 7”. The nine is just too big.”➕

“I was tickled when I realized the 9" Garmin was basically the same size as the one I already had. Same size, *and* a bigger screen? Well, twist my arm.”➕

“The Hummingbird interface is very cumbersome compared to Garmin and Lowrance, but also allows for more customization than the other 2 brands combined.”➕

“What is it still "depends". Seems like the Garmin is the winner if you get approximately the same screen size in a smaller package.”➕

Sidescan feature is essential for broader area scanning on kayaks

“Yes. Yes. 1000 times yes.”➕

“I heard a couple people say they didn’t see it’s worth which kinda made me second guess it, but I feel like it could save me so much time.”➕

“I'll never buy a fish finder without sidescan. It is absolutely a game changer, and I think a kayak is an optimal vessel for it.”➕

“If you paying the money get side scan you won’t regret it.”➕

Fish finders perform optimally on human-powered kayaks due to their slow speeds

“Yes. The speed of a human powered kayak (~2-3mph) is actually pretty optimal for seeing stuff in detail on fish finders.”➕

“I do. I like knowing the water temp and depth.”➕

“I used duct putty to mount the transducer to the inside of the yak. Super easy and it stays out of the way.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’

Comparisons drawn among various fish finder brands and features

“Garmin has the best forward sonar - Panoptix. That's all I use them for.”➕

“I went over where an old bridge use to be that's now 20 feet under water and could see old beams sticking off the bridge supports and where they were scattered.”➕

Budget fish finder value with the Garmin Striker as a popular choice

“I'd say that the difference between no fishfinder and a cheap one is bigger than between a cheap and an expensive one.”➕

“I toss my kayak in the truck roll to the nearest bridge, toss it in and go.”➕

“Go with the striker it is the best unit you are going to find in that price range.”➕

“The Garmin Striker is a solid pick.”➕

Portability and utility of cast/floating fish finders

“I have the deeper. It is pretty slick…but I don’t actually use it very often.”➕

“The main use case for the fish finder on my kayak isn't actually finding fish, but finding structure/depth where the fish I'm after will be.”➕

“Looking to upgrade to a Deeper Smart or Pro this year as they work better in shallow water. It’s an absolute game changer.”➕

Battery recommendations for fish finders

“7 Amp-Hour Sealed Lead Acid battery should be fine.”➕

“Then you can attach to the interior of your boat and it is as easy as swapping 3,4, or 5 amp hour dewalt batteries and then taking them out of the boat after the day for an overnight charge.”➕

Affordable fish finder options for kayak fishing

“I picked up the Lowrance Hook Reveal 5x Split shot at Walmart for 100, works really well in kayak for me.”➕

“Yeah, they were on clearance in my area, I actually picked up 2.”➕

Humminbird Helix 7 is recommended as a value option under budget constraints

“Yes helix 7 is the shit. Zero lines card and auto mapping works even when I’m on step going 22. It’s amazing.”➕

“Humminbird helix 7 imo”➕

“They're pretty expensive so with that budget the best option would be the Hummingbird Helix 7.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.

Garmin repair costs and standout customer service experiences

“I used to do computer repairs, and the cost to repair a touch screen could be 80-90% of the cost of a brand new unit.”➕

“Yes, this unit has a touch screen, and also yes, it appears to have a custom shape.”➕

“Garmin has awesome customer service for things that they service.”➕

“Garmin has taken care of me a few times, above and beyond their warranty.”➕

Battery charging and power management concerns

“What solar panels are you using? I was under the impression that they don’t generate enough power to reliably charge batteries.”➕

“Depends how often and how fast you want to charge them.”➕

“What size is your lithium and how long does it take to charge? I go on long camping/fishing trips sometimes and it’d be cool to at least keep a 50% charge going for a few days.”➕

Avoid buying old Humminbird units solely for their mounting compatibility

“I wouldn't go finding an old unit just to use a mounting point, as they all come with mounting stuff, just FYI OP, unless you think you can find one cheap/free.”➕

“I agree with the other guy don't waste your time with that guy just cause the mount is already there.”➕