To register your new CALIBRE or K40 product, please click the button below the picture to the left. For customer service related questions
call 1-800-323-6768 or email customerservice@K40.com. 

Monday through Friday, 
8AM to 5PM Central Time

A special 24 hour technical assistance phone number is available for authorized retailers. For more information, contact a K40 representative or email technicalservice@k40.com.

Mailing Address 
K40 Electronics
600 Tollgate Road, Suite A
Elgin, IL 60123 

Warranty Address 
K40 Electronics
600 Tollgate Road, Suite A
Elgin, IL 60123 

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