Wireless freedom the easy way. The AKG WMS40 Mini Wireless Vocal Microphone Set ISM 2 frees you from restrictive cable runs. Many wireless systems will have you bogged down in deep menu structures and complicated setup procedures. Why be free from cables and restricted by menus? Wireless systems can be easy. The AKG WMS40 Mini is just that. Easy. True plug and play operation is achieved by the fixed frequency HT40 handheld transmitter and receiver. Plug in your mic and turn the system on - its that simple. Once set up the WMS40 mini delivers the crystal-clear sound quality youd expect from AKG. The AKG WMS40 system is the perfect plug-and-play wireless microphone system for a range of small performance venues conferences houses of worship and more.