The MSC-W module provides a pair of passive transformer isolated RCA jacks for a unbalanced stereo line input to mono balanced line input for a sound system. A user adjustable attenuation control is provided as well. The MSC-W is an easy solution for providing a fixed location connection point for a DVD, VCR, CD or tape player into an existing sound system. The module mounts into a standard electrical box (not provided), and is finished off with a matching decora coverplate. Connections on the backside of the module are made via a 3-pin euro style connector. The MSC-W module is available in brown, ivory or white.