The Pioneer VSX-517-K Surround Sound Receiver is a stereo receiver with 5.1 channels, designed for an immersive surround sound experience. It features digital audio outputs and supports various surround sound formats like DTS and Dolby Pro Logic II. With audio inputs of Stereo L/R RCA and both FM and AM radio capabilities, this receiver offers a versatile range of audio options for your home entertainment system. Its sleek black design adds a touch of elegance to any living space, making it a great choice for enhancing your home audio setup.