Fish Hawk X4 Probe

Fish Hawk Electronics
Limited quantity, discontinued
(34 reviews) Write a Review
Current Stock:

The X4 Probe uses a sonar signal to send water temperature, and trolling speed information at the downrigger ball to the boat.

  • Detects speed changes of 1/10 MPH
  • Probe uses a 70kHz sonar signal to send data
  • Water-activated probe extends battery life 
  • Powered by four AA batteries
  • Includes swivels to attach downrigger weight
  • Epoxy potted electronics with double O-ring battery cap
  • Compatible with legacy Model 840  
TWO-YEAR WARRANTY Fish Hawk Electronics are fully guaranteed against any defect in parts or workmanship for 2-years from the date of purchase for the original owner. This warranty does not cover improper use, failure to maintain, accidents, or loss.
In the box:
Probe, snap swivels to attach weight
Country of Origin:
Made in USA


  • 5
    I’ve had Fishhawk for many years they work great they help people catch more fish most important piece of tool on your boat

    Posted by Mike BART on 8th Jul 2024

    Fishhawk unit works great can’t fish without it on the great lakes for salmon

  • 5
    Fish Hawk Products

    Posted by Andy on 30th Jun 2024

    Great to deal with, you get what you order in a timely manor. Based on current and past experience, Exceptional customer service, the kind you just don't find anymore.

  • 5
    Fish Hawk X4 Probe

    Posted by Scott Miller on 7th Jun 2024

    Great tool for finding out temp and speed, a must have!

  • 5
    Fish Hawk probe

    Posted by MARK T JUNDT on 21st Sep 2023

    Great unit to have in any boat!

  • 5
    Fish hawk x4 probe.

    Posted by Ed dolatowski on 15th Sep 2023

    Unit works good.

  • 5
    Fish Hawk X4 Probe

    Posted by Dave Porritt on 26th Aug 2023

    Fish Hawk products seem to be very high quality. I unfortunately broke a downrigger cable and lost my probe. I was very pleased with the quick turnaround with my replacement probe. Thank you!

  • 5
    X4 probe

    Posted by Timothy Fox on 22nd Jun 2023

    Karen, was very efficient and friendly. Spee-dee delivered it and I had it in 2 days! Wish there was a more fail safe as my Downrigger cable broke at the termination at no fault of the probe. A audio alert would be nice in case the probe gets close to the lake bottom. Thanks for a good product and great service. Good Job!

  • 5
    works fantastic

    Posted by MARK SEEFELDT on 19th Jun 2023

    excellent customer service received two days after i ordered

  • 4
    X4 Probe

    Posted by James Forrest on 1st Jun 2023

    Love the product. use to have a depth raider and thats absolute garbage compared to your product. I have broken the probe a couple times now. Was told thats caused by not unscrewing the cap after use. I wasn't aware of that until I spoke with other fisherman that have had the same problem. Was wondering if using lithium ion batteries would make a difference?

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