Due to the large volume of emails and comments I receive (as well as being limited by the number of hours that exist in each day) I am often unable to answer every question. I apologize in advance if I do not respond to your email. Many of the questions I receive have already been answered somewhere on this blog, so before you send me a question, I kindly ask you use the Google search bar located on the bottom right to see if the answer is already on the site. Thank you for your interest and support. Any urgent questions can be directed to a car audio expert on JustAnswer.