Wharfedale WF-300 Wireless Mic with EQ

Features:
System WF-300
Working frequency 600-690MHz or 863-865MHz Model
Dependant, Modulation mode broadband FM
Channels 2×100, Channel frequency 250KHz
Frequency stability 0.005%
Dynamic bound 100dB Maximum excursion 45KHz
Frequency response 60Hz-18KHz (3dB)
S/N >105dB, T.H.D 0.5%
Operation distance about 100m (no interruption)