MAS Audio warrants all our products to be free from defects in material and workmanship, under normal use and service, for LIFE. If you experience a problem with one of our products, simply contact us for a return authorization number, pack the product up, and send it back to us. We will repair or replace (at our discretion) the product and return it to you at no cost. MAS is not liable for any consequential expenses associated with a defective product including (but not limited to) labor, installation charges, and/or travel time.