Finlemho Microphone Dyanmic Capsule Recording Studio SM57 Professional For Guitar Amplifier Drum Kit Instrument Mixer Audio

What is the function of transformer ??

A transformer has a function in microphone, no matter how long the cable ,5 meter ,10 meter...its voltage is stable and transmission is stable . The result is stable sound quality . It also works as a filter to take out unexpected frequency to avoid interruption. Transmission is smooth and sound quality is clean. If you are a serious user, we suggest you try it .