The difference between a wireless microphone and a wired microphone is that there is no microphone input line, which is the same as a wired microphone, except that the audio input is not the same.
1, wired microphone, is the audio signal through the shielded cable, directly into the audio input of the amplifier, and then amplified by the amplifier, the sound from the speaker.
2, while the wireless microphone is through a miniature radio transmitter, the audio signal into an electrical signal transmitted, and then inserted in the stereo on the miniature receiver, the microphone will be received down the electrical signal into an audio signal, and then input to the stereo amplification, transmitted by the speaker.
So, just plug the wireless microphone receiver into the audio (microphone) input socket.