Shure SLX 2 / Beta 58A/S10 - handheld transmitter for SLX series with Beta 58A dynamic capsule (supercardioid). Display with group, channel and battery, 960x switchable frequencies, menu lock and on/off switch, 2x 1.5V batteries, frequency range: S10 (823 - 832 MHz), up to 7 systems parallel. Please note: Due to every country having different regulations, you may need to Contact your local licensing authorities before using a wireless system.