![](/images/flag/s/en.gif)
M&S audio products are backed with more than 50 years of experience in the design and manufacture of precision acoustical equipment for the home. To ensure that the homeowner receives the high-quality music and voice reproduction that the system is designed to deliver, it is important that each step of the installation be done carefully. In the event you need troubleshooting installation assistance, please call our technical staff at 1-800-421-1587. Prior to installing the dmc3-4 system, read an