The Shure PSM300 Wireless IEM System is a live sound playback system that offers clear high-quality in-ear monitoring to any performers. Designed for professionals the PSM300 delivers clear sound thanks to its Audio Reference Companding reducing noise to an absolute minimum and preventing artifacts. Then with automatic scanning its quick and easy to scan through its broad tuning bandwidths and find the cleanest available frequency. The system transmitters one-touch sync makes for instant pairing with receivers so you can simply connect and start the show. Shures MixMode allows you to create a two-channel stereo mix and fine-tune the left-right balance for a perfect balanced sound. For any venue or band that needs to hear performances accurately the PSM300 is the ideal solution.