The SLX Series offers the next level of wireless performance. Systems include the SLX4 receiver with Auto Freq. Selection, 1/4"/XLR outs, infrared sync link, detachable antennas, backlit LCD, power/freq. lockout, rack-mount hardware, and metal construction. The SLX2 handheld transmitter features a choice of capsules, while the SLX1 bodypack supports instruments and headsets/lavaliers. Both feature backlit LCD, 8hr operation, and 300' range. 20 systems can be used simultaneously.