Nice radio that works well, once you figure out how to install and use it. I had to go on-line and search for the pin-out diagrams for the connectors to determine speaker polarity. The general operating instructions are poorly written too. (and I used to be a technical writer) Ended up mostly sitting in front of it and mashing buttons and remembering what they did. If you are tech savvy this product is OK. If not, it could be a challenge.