MARANTZ ZС-4001 is a multi-room stereo receiver that uses wiring to communicate with the AV receiver, the center of the home audio system. This is a compact unit with a pair of built-in speakers and a 2x10W amplifier. The receiver is able to directly select any signal source and adjust its parameters. If the source is a receiver tuner, then the ZС-4001 display includes RDS information. The model is also equipped with a virtual surround processor.