This PSM300 Premium Personal Monitor System is a professional system for rental houses, monitor engineers and musicians needing more advanced options. It features stereo and mono mode options and clear, 24-bit digital audio. It provides up to 15 compatible frequencies per band, delivering a 24 MHz tuning bandwidth (regionally dependent). PSM300 Stereo Personal Monitor Systems deliver reliable wireless freedom to every corner of the stage. Patented Audio Reference Companding ensures the clearest sound, with ultra-low noise and no artifacts. Easy to setup and operate, PSM 300 systems offer one-touch frequency scan and sync to find and assign a clean wireless channel. Adjust the volume and use MixMode technology or stereo mode to create a personal mix from two channels of audio. Including P3RA and P3T, with rackmount and hardware. The K12 frequency band (614 - 638 MHz) can be used in The Netherlands.