In order to be eligible for warranty service on your ProBox sub, please provide us with a copy of your proof of purchase, as well as photo of your sub clearly showing the following:
- the part number on the back of the magnet
- that you have cut or torn out the cone
- the date code stamp on the rim of the basket
Once eligibility for warranty service has been confirmed, ProBox will grant a one-time replacement of the sub. The date code will be stamped with an "R" to show that it has been replaced.