Designed for installed and portable sound applications, the 4 channel SCM410 Automatic Mixer features Shure's patented IntelliMix technology- the most advanced and effective automatic mixing algorithm available. Similar to the SCM810, the SCM410 is easy to use and flexible enough for all your installation needs. It can be used as a stand alone unit as well as a companion mixer. Some features include: last mic lock-on, adjustable EQ for each channel, +16dBu peak limiter, 12V phantom power, 4 active balanced XLR Mic inputs, 1 active balanced Mic/Line XLR output and 1 unbalanced RCA Aux output. Now you have another choice in automatic mixing - the SCM410 for smaller or add on applications.