Studio Z (GW3002) Dual Microphone System with Wireless ReceiverGreat for karaoke, Backyard parties, Speaking events or anywhere a dependable low cost system is needed. Both left and right channels have their own antenna and can be used simultaneously. Dynamic cardioid direct cartridge for bright and clear sound Output and input sockets, convenient to connect any equipment Impedance: 600 Ohm Dynamic Range: >80dB Distortion Rate: <1% Frequency Range VHF FM: 109 120MHz Frequency Response: 80 12KHz 3dB Signal to