Features:

　　1. Each in-out processing circuit both adopt module design ,and user can willfully match the assembly 3 pins or 5 pins in-out module according to your needs. It is very convenient for such a occasion that‘when the output module was broken caused bystrongly attack from the external current’,then the user can fix it at once ,so it has another protection method for the live shows.

　　2. Each in-out has independent power supply, and each module board is isolated with the independent protection circuit and optoelectronic isolation. The measures realized the absolutely isolation between the signal and the electrical

　　3.The 3 Pin (XLR-3) or 5 Pin(XLR-5) are more durable with the silver metal