Your email has been received, and I would be happy to assist you; please expect a response shortly. Xenonman describes ground loop perfectly; as such, you can see that the Model 975 or Model 7500 is not to blame for this. Ground loop is a ground differential.

In the email, we will work through isolating these two separate issues and troubleshooting them. I am sorry to hear you've had to spend so much time trying to solve these difficulties. At Outlaw, we pride ourselves in our customer service. In the future, please do not hesitate to contact us via email, at customerservice@outlawaudio.com, or via phone M-F 9:00am - 5:00pm EST at (866) OUTLAWS with any problems you may be experiencing so we can be of assistance.