Up for sale today, a working used Furuno DFF1. Listing is for module ONLY. No cables, transducer or display is included!


✅Software updated to v3.01 for optimal performance.

✅Communications tested.

✅Tested on 50 & 200 kHz frequencies with EDI sonar tester. Frequencies are in spec and unit tracks simulated bottom.

✅Speed and temperature readings in spec.

✅Green light during operation.


Module is shown working with our test display, cables and EDI professional sonar tester for demonstration of our process. These items are NOT included.


FAST FREE USA SHIPPING AND COMPLETE SATISFACTION GUARANTEED WITH 90 DAY WARRANTY!


We offer 100% free US returns for ANY reason within 60 days.


To help you get your items quickly, most items ship out same day as purchase if checkout is completed by 3PM Central. We ship purchases Monday-Friday, as well as most Saturday mornings.