Up for sale today, a working used Raymarine DSM300. Listing is for module ONLY. No cables, transducer or display is included! Great plug and play replacement if you have one that’s acting up.

✅Made in Hungary.

✅Updated to the latest software version 4.20 for fewer dropped connections and errors.

✅Communications tested on HSB2 and SeaTalk HS.

✅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 after startup period.

✅Connectors are clean; no dirt, bent pins or corrosion.

We also back these modules with 60 day free returns or exchanges (exchanges are subject to availability). We know the DSM300 has had some issues over the years and we are trying to deliver quality, tested units at a great price.

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

Module will have normal cosmetic wear and scratches but no signs of weather, water or abuse!

For best results we strongly recommend replacing any power or network cables showing any signs of corrosion or damage. These modules are very voltage sensitive and solid connections are critical. Raymarine also does sell an updated power cable with improved contact design (part # A80346).

FAST FREE USA SHIPPING AND COMPLETE SATISFACTION GUARANTEED WITH 60 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.