Deeper MAX

A Perfect Combination

CHIRP+ 3 castable sonar

+

High efficiency solar charger

Deeper CHIRP+ 3

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Personal 3D depth maps at your fingertips

No need to guess, create your own detailed lakebed maps to ensure every cast is perfect. With 3D depth maps, the bottom structure, depth, hills, slopes, and other features are presented with unseen clarity.

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Only $279.99

Buy Now

Our most powerful castable sonar yet

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Powerful CHIRP Technology.

Learn more
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3D bottom map generation.

Learn more
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Highly-precise GPS integrated.

Learn more

Range up to

394 ft / 120 m

Scanning Depth

up to 330 ft / 100 m

Warranty

5 Years

Battery Life

15 Hours

Connection

Wi-Fi, No Internet Needed

Charging

USB-C

Foldable Solar Charger

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Foldable Solar Charger

2 hr of charging* = 12 hr of CHIRP+ 3 use

With 36W high-power output, a lightweight and waterproof design, and a USB-C to USB-A adapter included, this solar charger is ready to accompany you on any adventure. Charge your sonar and other devices wherever you go.

*in sunny conditions

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Power

36W

Solar cells

23% high efficiency

Waterproof (when the USB socket is sealed)

IP67 rating


Included

2x carabiners

Charging

USB-C to USB-A adapter included

Lightweight

865 g

Powerful and Variable CHIRP Technology

Choose between 3 beam widths and explore the bottom structure in rarely seen clarity with whichever option suits your needs. Analyze lakebed features/hardness, vegetation, and depth with 400 feet range, all in one cast!

Narrow beam – the most sensitive option. Provides the highest level of detail about what lies beneath the surface.

Medium beam – an allrounder. Identifies bottom hardness and weed growth, the essential insights to help you understand your fishing spot better.

Wide beam – covers a wide area, which is perfect for identifying any fish activity.

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Deeper PRO+ 2

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Deeper MAX

FoldableSolar Charger

Personal 3D bathymetry at your fingertips

No need to guess, create your own detailed lakebed maps to ensure every cast is perfect. With 3D bathymetry bottom structure, depth, hills, slopes and other features are presented with unseen clarity.

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Highly-Precise GPS Integrated

With pinpoint GPS, you can create highly accurate and detailed 2D and 3D depth maps while scanning. Understanding bottom terrain has never been easier.

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Regular GPS precision casts

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High GPS precision casts

Regular GPS precision casts

High GPS precision casts

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Shore & Bait Boat Modes

Generated 3D depth map is updated once the fish finder is retrieved from water.

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Boat & Ice Fishing Modes

Boat mode: Smartphone-enabled GPS delivers real-time 3D map generation. 

Ice Fishing Mode: Records precise location of your ice holes.

Perfect for Any Fishing Style

Cast it from the bank, fish from a boat, or use it in winter — the Deeper MAX will fit your style.


And don’t forget additional accessories! With a wide range of Deeper accessories, fishing becomes even more enjoyable.

Explore Accessories
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What our users say

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Robin Illner

Finding good fishing spots has never been easier. 3D scanning is a game-changer, allowing you to explore the spot in detail. The visualization is incredible.

View More
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Pawel Kukla

Because of real-time 3D modeling, I’ll never doubt the bottom structure of an interesting spot. With Deeper’s CHIRP+ 3, it’s like you can touch what’s beneath the surface.

View More
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Jelmer Simmes

The 3D depth maps, combined with an ultra-sharp, detailed display and a 4x higher pixel ratio, give a much better overview of the waters I fish. I'm really happy with it!

View More
Full Tech Specs
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Life happens. Protect your sonar from loss or damage.

Save up to 85% for sonar replacement in case of damage, loss, or theft. Add Deeper Loss Protection upon purchase, and be calm.*

1. Add your sonar to the cart

2. Add Deeper Loss Protection to cart

3. Purchase everything together

4. Stay Protected

Read more

*Loss Protection does not cover the Foldable Solar Charger

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Come prepared with Fish Deeper

Use with multiple devices, see sonar readings and much more. Download for free!

- Check real-time weather conditions before going to location and weather history.

- Use unlimited cloud storage to store your fishing scans and notes.

- Access the 2D and 3D global fishing maps database with a Premium subscription.

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MAX vs PRO+ 2

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Create 3D personal bathymtery

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High detail sonar readings in shallow water

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Battery life

15 hours

Connection range

400 ft

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Create 3D personal bathymtery

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High detail sonar readings in shallow water

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Battery life

9 hours

Connection range

330 ft

What our users say.

Robin Illner influencer testimonial.jpg__PID:da1a99a8-a031-465a-9a3d-1502d0ea3392

Finding good fishing spots has never been easier. 3D scanning is a game changer, allowing you to explore the spot in detail. The visualization is incredible.

Robin Illner

View More
Paweł Kukła influencer testimonial.jpg__PID:a8a031c6-5a1a-4d15-82d0-ea339298b774

Because of real-time 3D modeling, I’ll never doubt the bottom structure of an interesting spot. With Deeper’s MAX, it’s like you can touch what’s beneath the surface.

Paweł Kukla

View More
Jelmer Simmes influencer testimonial.jpg__PID:4ada1a99-a8a0-41c6-9a1a-3d1502d0ea33

The 3D depth maps, combined with an ultra-sharp, detailed display and a 4x higher pixel ratio, give a much better overview of the waters I fish. I'm really happy with it!

Jelmer Simmes

View More
Full Tech Specs

What's Included

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Sonar

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Night Cover

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Charging Cable

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Attachment Bolts

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Neoprene Pouch

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Solar Panel

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Carabiner x2

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USB-C to USB-A adapter

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User Manual

What's Included

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Sonar

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Night Cover

USB.png__PID:f4736b10-a37f-4850-ba13-05c59707c6b8

Charging Cable

Bolts.png__PID:604f9c42-98a5-426a-9231-4fd0c0eaf6fc

Attachment Bolts

Include Pouch.png__PID:4cef4959-ba20-468e-b60d-2148ee32d753

Neoprene pouch

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Solar Panel

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Carabiner x2

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USB-C to USB-A adapter

Frequently Bought Together

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Bank Stick Phone Holder

$35.64 USD

View More
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 Sonar Flexible Arm Mount

$69.99 USD

View More
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Phone Mount for Boat and Kayak

$49.99 USD

View More
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Phone Mount for Any Fishing Rod

$17.99 USD

View More
Full Tech Specs