Featuring the legendary SM58® Cardioid Dynamic Microphone capsule on the SLXD2 handheld transmitter and the SLXD1 wireless bodypack transmitter with WL185, the SLXD124/85 provides transparent digital audio and rock-solid RF stability for lecture halls and live performances.The SLXD124/85 Wireless System delivers transparent, 24-bit digital audio and rock-solid RF performance for a wide range of applications, from day-long presentations to nighttime performances. Operate up to 32 compatible systems per 44 MHz band, with easy setup and optional rechargeability accessories for wireless excellence, wherever required. Ships with SLXD4 single-channel receiver, SLXD2/58 handheld transmitter, SLXD1 bodypack transmitter and WL185 cardioid lavalier microphone with antenna and rackmount accessories and 4 AA batteries.