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Garmin Striker 4

3-1/2" fishfinder with CHIRP sonar and GPS

Item # 150STKR4

Catching them is up to you, but Garmin's STRIKER 4 fishfinder makes it easier than ever to at least find fish.

Catching them is up to you, but Garmin's STRIKER 4 fishfinder makes it easier than ever to at least find fish.

Discontinued item

Item # 150STKR4

About the Garmin Striker 4

Go where the fish are

Catching them is up to you, but Garmin's STRIKER 4 fishfinder makes it easier than ever to at least find fish. The Garmin CHIRP transducer gives you remarkably clear views of fish and structures, plus you can mark and return to your favorite locations.

Go where the fish are

Catching them is up to you, but Garmin's STRIKER 4 fishfinder makes it easier than ever to at least find fish. The Garmin CHIRP transducer gives you remarkably clear views of fish and structures, plus you can mark and return to your favorite locations.

Garmin Striker 4

See it all on the split screen.

CHIRP means clarity

The STRIKER 4 includes a Garmin CHIRP (77/200 kHz) transducer, which provides the clarity and detail you need to distinguish fish and structure. Instead of sending just one frequency, CHIRP sonar sends out a continual sweep of low and high frequencies. The wider range of information means you'll see crisper fish arches and better target separation.

Find the fish, mark your spot

This isn't an ordinary one-trick fishfinder. The STRIKER 4 also includes high-sensitivity GPS that helps you locate your current position quickly. You can then maintain that GPS location no matter where you go on the lake. Best of all, if you find a spot where they're biting, you can mark it and come back again later. You can also mark important waypoints like docks and ramps, or even brush piles and stumps.

See what's below

The STRIKER 4 sports a built-in flasher, so any time you're fishing from a stationary position, you'll get a good view of the bottom, whether it's solid or muddy. You can track your jig or weighted bait, plus the depth of the fish as they swim into the beam. You can even see whether fish move toward or away from your jig.

Watch your speed

When you're trolling, you want to maintain just the right speed. With the STRIKER 4, you can check the speed on the 3-1/2" screen. It's also a very handy feature when you're in a wake-controlled area.

Get the kit

Want more? Upgrade to the STRIKER 4 fishfinder kit. This compact kit includes a sealed, rechargeable battery with charger, built-in transducer cable management, a suction cup transducer mount, and a float.


Product highlights:

  • 3-1/2" HGVA color display
  • CHIRP (77/200 kHz) sonar transducer
  • built-in, high-sensitivity Garmin GPS
  • power: 200 watts RMS (1600 watts peak-to-peak)
  • find fish; mark and return to hot spots, docks and ramps
  • Ultrascroll displays fish targets at higher boat speeds
  • AutoGain minimizes clutter, maximizes targets
  • adjustable depth line measures depth of underwater objects
  • fish symbol ID helps identify targets
  • convenient keypad operation
  • accurate to 1600 feet deep in fresh water (750 salt)
  • see fish passing through transducer beam in real time
  • water temperature sensor included
  • dimensions: 3-5/8'' x 6'' x 1-5/8''
  • tilt/swivel mount, transducer, trolling motor clamp and transom mount
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # 010-01550-00

What's in the box:

  • Striker 4 fishfinder display/control unit
  • Tilt/swivel mount
  • 6' Power cable
  • Transducer with 20' attached cable
  • Transducer mounting bracket
  • 20" x 0.5" Cable tie
  • Four 5-1/2" cable ties
  • One 10-32 x 1.75" screw
  • Plastic spacer
  • 10-32 Nylock nut
  • Two M5 x 30mm screws
  • Two 5mm flat washers
  • Rubber washer
  • Cable-entry cover
  • 2 Cable clamps
  • Four M4 x 12mm screws
  • 2-3/4" x 2" Mount gasket (rubber pad)
  • Quick Start Manual
  • Transom-mount Transducer Installation Instructions
  • Compass Safe Distance sheet
  • Garmin Support sheet
  • Important Safety and Product Information

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<< >>

More details on the Garmin Striker 4

Mark G.

Product Research

Fishfinder Features
Navigation Features

Fishfinder Features

Overview: The Garmin Striker 4 is a compact fishfinder/GPS navigator designed for small boats. It features a 3.5" HVGA color display and a 200-watt dual-beam sonar transducer with CHIRP to help you locate fish in up to 1600 feet of fresh water (750' of salt water). The Striker 4 also has an integrated GPS to help you locate and navigate to your favorite fishing holes, docks, and boat ramps.

CHIRP Sonar: The Striker 4 is equipped with CHIRP sonar, one of the most sophisticated sonar technologies available for boaters and fishermen. Compared to standard sonar, which sends one frequency at a time, CHIRP (Compressed High-Intensity Radiated Pulse) sends a continuous sweep of frequencies within a range from low to high. As a result, CHIRP sonar creates much greater target separation and crisper fish arches.

Display: The Striker 4 features a 3.5" (diagonal) HVGA color display with 480 x 320 pixels. The display has a vertical orientation with 10-level backlighting (0% to 100%). The unit comes with a 3" diameter 360° swiveling base with 9 tilt positions. The display has selectable color modes (day, night, auto) with colors to represent the strength of the sonar returns.

Keypad: The Striker 4 features a convenient keypad for operating the device. The keypad consists of five buttons and a 4-way control:

  • 4-way Control: The 4-way control lets you scroll, highlight options, and move the cursor. It also lets you zoom in and out of a view.
  • Return: The Return button returns you to the previous screen, or to the home screen when held.
  • Menu: The Menu button opens and closes the menu page.
  • Power: The Power button turns the unit on and off. It also lets you quickly adjust the backlight or color, and disable the sonar, when you quickly press and release.
  • Check: The Check Mark button selects the highlighted option and acknowledges messages.
  • Waypoint: The Waypoint marks the present location as a waypoint, allowing you to navigate to that point at a later time.

Transducer: The dual-frequency CHIRP transducer provides a higher level of clarity and detail than traditional 77kHz/200kHz transducers. The transducer transmits sound waves through the water and receives them to relay information to the display. The 200 kHz frequency shows better detail, has a narrower beam (60°) and is typically used in shallower waters. The 77 kHz frequency penetrates deep water more effectively, and has a wider beam (120°), so it can be used to cover a larger area. The transducer has an attached 20' cable to accommodate large or small boats. The transducer can be mounted either to the transom of the boat, or to the bottom of your trolling motor. Mounting hardware for both locations is included.

Flasher: The Striker 4 also includes a Flasher, which shows sonar information on a circular depth scale to indicate what is directly beneath your boat. The Flasher display page shows the depth and device voltage.

Viewing Pages: The Striker 4's display scrolls from right to left to show the sonar readings from the transducer. The bottom depth is displayed in large numerals, along with the water speed, device voltage, and the current time. The unit has an adjustable depth range (Auto or Manual), and the depth scale is shown at the bottom of the screen, along with the transducer frequency. You can choose from a full screen page or split pages:

  • Full Screen Page: The Full Screen page shows a full-view graph of the sonar readings from the transducer.
  • Split Zoom Page: The Split Zoom page shows a full-view graph of the sonar readings on the right side of the screen, and a magnified portion of that graph on the left side.
  • Split Frequency Page: The Split Frequency page shows the 77 kHz frequency sonar data on one side, while the other side shows the 200 kHz frequency sonar data.

A-Scope: The A-Scope is a vertical flasher along the right side of the Full Screen page that shows the range to targets in real time along a scale. This view expands the most recently received sonar data so that it is easier to see. It can also be helpful in detecting fish that are located close to the bottom.

Beeper/Alarms: The Striker 4 has a beeper that will sound to confirm each button press, or can be set to sound only for alarms, or turned off completely. There are several audible alarms that can be independently set in the menu:

  • Navigation:
    • Arrival: The unit's alarm will sound when you are within a specified distance or time from a turn or destination.
    • Anchor Drag: Sets an alarm to sound when you exceed a specified drift distance while anchored.
    • Off Course: When you are off course by a specified distance, the alarm will sound.
  • System:
    • Alarm Clock: You can set an alarm clock to sound at a specific time.
    • Device Voltage: The alarm will sound when the battery voltage reaches a specified low voltage.
    • GPS Accuracy: The alarm will sound when the GPS location accuracy falls outside a user-defined value.
  • Sonar:
    • Shallow: The unit will alarm when the water depth is shallower that the set value.
    • Deep: The unit will alarm when the water depth is deeper than the set value.
    • Fish: The unit will alarm when the device detects a suspended target. You can set the alarm for all fish, medium and large fish, or large fish only.
    • Water Temperature: The unit will alarm when the water temperature varies more than +/- 2°F. (Temperature-capable transducer required)

Navigation Features

Built-in GPS: The Garmin Striker 4 has a built-in GPS receiver in the display unit that collects satellite data to establish your current location. The display unit should be mounted in a location that has a clear view of the sky for the best and most accurate results. A 5-bar signal strength meter indicates the quality of the satellite signal being received.

Waypoints: Waypoints are locations that you record and store in the device's memory. Waypoints can be marked at your present locations, or you can enter the coordinates to a waypoint at a different location. Each waypoint can be saved with a name, symbol, depth, water temperature, and comments. Once a waypoint has been saved, you can select and navigate to its location. You can also measure the distance to the waypoint on the Waypoint Map.

Man Overboard: From any screen, you can press the Waypoint button to mark your present location, and designate it as a Man Overboard (MOB) location. The Striker 4 will then provide a direct route back to the location. MOBs and other waypoints can be deleted one at a time, or all at once, in the menu.

Routes: A route is a sequence of waypoints or locations that leads you to your final destination. To create a route, you can pick a starting point, add additional waypoints or locations, add turns, and save. Saved routes can be edited by changing the name, waypoints, or turns. Routes can be deleted one at a time, or all at once, in the menu.

Tracks: A track is a recording of the current path of your boat. You can designate a color for each track to differentiate them from each other. Tracks are created by automatically marking the current location at a set interval. The interval can be adjusted--recording more frequent plots increases accuracy, but fills up the track log quicker. You can also record tracks by the distance between points, or the variance from your course.

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