Numark WS100 | 24-Bit UHF Digital Wireless Microphone System with 200-ft Range (Wireless Mic, Receiver, Case & 1/4" Cable) Wireless handheld microphone transmitter Receiver unit with dual antennas for superb performance 24-bit digital wireless technology delivers ultra clean pro-quality signal 200-foot working range for convenient operation Frequency response of 50-18kHz ensures natural vocals and strong bass