Low-cost yet highly effective, the Shure SCM268 4-Channel Mixer features an internal power supply

When you see the price attached to the SCM268 Automatic Microphone Mixer, you'd never guess that there are six transformers inside: four transformer balanced XLR microphone-level inputs, one transformer balanced XLR mic/line output, and one internal low stray field, toroidal power transformer.

All those audio transformers provide protection from RF interference, prevent ground loops, and make the SCM268 exceptionally quiet. The internal toroidal power transformer means you no longer have to deal with that annoying "wall wart."

In addition to the half-dozen transformers, the SCM268 also has many other features, including:

Five unbalanced aux level inputs (Phono connectors)
LED peak output meter
One unbalanced aux level output (Phono connector)
IEC power cord connector
12V phantom power for condenser microphones
Built-in low cut filters on mic inputs

Add to this a rugged half-rack chassis -- with exceptionally solid rack mounting hardware -- and the SCM268 will easily fit into the widest range of smaller applications, such as:

Meeting rooms
Houses of worship
Broadcast
Educational paging and public address
Sound system rental