Garmin Echo 551dv Worldwide with Transducer

The Garmin Echo 551dv is a premier, worldwide, all-in-on transducer. It is a fish finder providing close to photographic views of nearby fish or any structure under or near the boat. It is considered to bethe premier fish finders due to its all-in-one transducer that is able to deliver both Garmin DownVü scanned images and advanced HS-ID 77/200 kHz simultaneously on a split screen on a nearly picture perfect screen. The display beams with a bright and crisp high resolution color and the Garmin Echo also has Smooth ScalingTM to aid in the transition between shallow and deep waters. With its advanced features it will only enhance any fishing experience making this transducer is a must have.

Benefits From Using Garmin Echo 551dv

This one  is beneficial to a novice or expert fisherman alike. It provides easy installation with it’s quick release swivel mount meaning you do not need to be an engineer to use. It is a high quality fish finder at an affordable price, and with its high quality display and 2300 feet available views, it is a great product.Garmin Echo 551dv Worldwide with Transducer 01


  • Advanced HD-ID

    Provides and all in one, dual 77/200 kHzfrequency provides high definition picture like clear and bright images.

  • VGA color display

    Provides a 5-inch display with 480 x 640-pixel high resolution.

  • DownVü Sonar View

    The high-frequency sonar that provides the clearer picture below the boat.  Garmin Echo 551dv also provides a more detailed representation of structures below.

  • Smooth ScalingTM

    Provides a smooth transition between shallow and deep water, and vice versa.

  • Wide to Narrow (and vice versa) viewing angles

    Provides pictures from both wide or narrow views.

  • Up to 2,300 feetdeep views (maximum).
  • Sonar History rewind

    Gives the ability to view previously saved sonar history.

  • 500 Watt (RMS)/4,000 Watt peak-to-peak power

    High transmit power for high performance and the ability to view 2,300 feet deep.

  • Easy Installation

    With its quick release tilt/swivel mount it provides for easy installation and the ability to view across 360 degree angles.

  • Split-screen zoom mode

    Both horizontal and vertical views with zooming capabilities.

  • Ultrascroll

    Displays the fish targets at high boat speeds.

  • Fish Symbol ID

    Identifies the fish targets.

  • AutoGain Technology

    Minimizes clutter and maximizes the targets.

  • Adjustable depth line

    Measures the depth of underwater objects for better fish viewing.

  • A-scope

    Real time display of fish passing through transducer beam.

  • Water temperature Sensor, log and graph

    Displays water temperature.

  • Water speed capable

    Displays water speed.

  • Bottom lock

    Shows return from bottom up, keeping the bottom displayed.

  • IPX7 Water ratingGarmin Echo 551dv Worldwide with Transducer 02

Garmin rigorously tests their devices and their survivability against water ingression. An IPX7 rating means the device is suited for: Small Water splashes

  • Snow or Rain exposure
  • Showering
  • Quick, incidental water exposure up to 1 meter, up to 30 minutes.
  • It is not suited for:
  • Swimming
  • Diving
  • Snorkeling/Scuba diving
  • High Speed watersports

Advantages and Disadvantages


  • Clear viewing even in bright sunlight
  • Split screen feature
  • Accurate water temperatures
  • Easy installation
  • Great value
  • Vivid graphics
  • Screen is well sized
  • Comes with a cover

In reading multiple reviews there are not a lot of complaints are drawbacks in reference to the unit, but here are a few items that a minimal number of users mentioned:

  • Heavy Weeds affect readings
  • Lacks side imaging
  • Crescent images give false readings
  • No GPS
  • Cables interfere with 360-degree view
  • Electrical wires and transducer cable are different sizes and both are rather short

Product Guide

Physical and Performance Dimensions of Garmin Echo 551dv

Physical dimensions 6.0” x 5.9” x 1.8” (15.2 x 15.0 x 4.6 cm)
BatteriesRequires One 12V battery
DisplayVGA HD color
Display resolution480 x 640 pixels
Display size2.9” x 4.0’ (7.4 x 10.16 cm); 5” diagonal, (12.7 cm)
Model Number010-01256-00
Shipping Weight4.5 pounds
Weight 1.1lbs/17.6 oz. (500g)

The product comes with a warranty. Register your device at for more information. The product also comes with a manual that provides full details on proper usage, instructions, and maintenance details.

Garmin Echo 551dv Worldwide with Transducer 03

Maintenance and Care

Do not clean the screen with ammonia as it will harm the anti-reflective coating. Do not use chemical cleaners or solvents on the outer casing that can damage the plastic components. Just us a damp cloth with a mild detergent. The device does not require additional maintenance but for any adjustments or to reset the device follow the instructions in the enclosed manual. Also, you may contact Garmin Product support if needed by visiting and clicking on Contact Support.
They are also available by phone:
In the USA, 913-397-8200 or 800-800-1020
In the UK, 0808 23800000
In Europe, +44 (0) 870-8501241


  • Does the Garmin Echo 551dv show boat speed?
  • How long is the transducer cable?
    -20’ Long
  • Does it come with an instruction manual?
  • Will this work in saltwater?
  • What is the recommended battery type?
    -12-volt car, motorcycle, boat starting or marine battery.
  • What is the height including the mount stand?
    -7-3/8 inches if straight.
  • Is this GPS enabled?
    -No. Sonar only.
  • Does the unit supply both meters and feet or degrees and Celsius in the readings?
    -Yes, you can toggle between both.
  • Does it come with the mounting brackets?
  • Does it come with any maps of lakes?
    -No, just sonar imaging.
  • Is it waterproof?
    -To rain exposure and spray, yes it is.


The Garmin Echo 551dv is a premier, all-in-on transducer that has a powerful sonar and high quality screen, providing close to photographic views. It is considered of the premier fish finders due to its all-in-one transducer that is able to deliver both Garmin DownVüscanned images and advanced HS-ID 77/200 kHz simultaneously on a split screen on a nearly picture perfect screen. This unit is highly recommended as not many other fish finders can match its quality at the same price point. With its minimal cons, high quality, and affordable price the echo would be a great addition for anyone looking to enhance their fishing experience.


More reading about best fish finder!

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