The Shure PSM300 Transmitter is a high-performance in-ear monitoring system designed to deliver reliable, clear, and powerful audio for live performances, rehearsals, and broadcast environments. It features a compact, durable design with true diversity wireless technology to minimize dropouts and interference. With a stereo mix output and automatic frequency scanning, the transmitter ensures optimal signal strength and clarity, even in crowded RF environments. The PSM300 supports up to 20 compatible systems in a single operating location, making it ideal for large-scale events or multi-channel setups. It also includes adjustable audio compression for precise tonal control, and is compatible with Shure’s P3RA bodypack receiver for seamless integration into professional monitoring systems. Built for ease of use, the transmitter includes an intuitive interface with clear indicators for signal strength, RF levels, and battery status, ensuring smooth operation during high-pressure performances.