Complete wireless in-ear monitoring system from Shure’s PSM300 series, operating in the L19 frequency band (630–653 MHz). It includes the P3T transmitter and the P3R bodypack receiver, offering 24-bit digital audio processing, infrared synchronization, and MixMode functionality. The system supports mono and stereo modes, has a frequency response of 38 Hz to 15 kHz, and provides up to 7 hours of battery life with AA batteries. It comes with rack mounting hardware, a ¼ wave antenna, and an external power supply.