New free upgrade provides more than 23 major new features.

The PG27USB and PG42USB Microphones complement Shure?s full line of professional and home recording products, including the newly introduced Professional Headphones and X2u XLR-to-USB Signal Adapter.

Consumer Alert Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.