We used Speed of Sound Technologies to upgrade an existent stereo on our boat and also to add a few other things to the boat. In the end, he performed everything as we agreed upon and he even worked throughout the rain. That meant a lot to me that he worked through the weather like that.

I continue to use them because a local business and when we call, he listens. he's got a lot of knowledge and if he can't answer your question, he'll get back to you with the right information.

Sean Minerly