Buy a DMK Box
Amazon or PayPal
Model 11A-GPS+ $475 USD
Model 11A $399 USD
Buy a DMK Analog Engine Monitor
Model AEM 14 $449 USD

There are two DMK Box models: choose the 11A if your boat already has a GPS receiver.

If you have a U.S. Amazon account, they always have our lowest prices and fastest fulfillment.

Use the PayPal checkout for credit cards outside the U.S. (or if Amazon is out of stock).

For wholesale orders call (206) 971-6975 or e-mail

We now have units at Amazon UK. They will ship anywhere in the EU.