This TM-1 AM FM Tuner is brand new. It has never been opened. It is in the original box complete with owners manual and AM Amplified antenna. If you are an owner of: MX-119, MX-135, MX-136, MHT-200 or C-45 you can install this tuner module inside of your Preamp or integrated home theater amp and receive AM and FM radio broadcasts. DEALER INSTALLATION GUIDE INCUDED FOR ALL OF THE ABOVE MODELS