Adcom GSP-560 is a surround sound processor and amplifier that combines advanced Dolby Pro Logic decoding circuitry with simplified controls, award-winning amplification, and a variety of features designed to enhance your home theater experience. With the GSP-560, you can enjoy a more immersive and realistic surround sound experience from your favorite movies, TV shows, and music. It features multiple inputs, including composite video, S-video, and optical digital, so you can connect a variety of devices.