the t.bone TWS 16 BT 863 Mhz - 9.5" diversity receiver, condenser BT brass clip-on transmitter microphone, 16 switchable channels with 14 frequencies (863.125-864.875MHz), up to 4x parallel systems, switchable squelch, XLR & jack output, external power supply (DC 12V/500mW), Accessories included: 19" rackmounts (for rack mounting 2x TWS16 units), 1m jack to jack output cable, No licence needed, free to use all over Europe