The Sony TCWE605 dual cassette deck features auto reverse on both decks for continuous play, Dolby B-C-S NR HX Pro for high quality noise reduction and a Random Music Sensor (RMS) with an Automatic Music Search (AMS) that allows you to quickly find the song that you are looking for. The unit also has a synchro dubbing function with auto cal, high or normal selections for a variety of recording methods to suit your needs. The TCWE605 has a rugged construction and uses a 2 motor transport system.