1、The external connection adopts rotating crimping terminal to make the connection more firm. 2、With fixed mounting holes, this filter module board is more easy to install for novices. 3、Excellent production process make this filter module board not easy to solder. 4、Made of PCB, this filter module board is sturdy and durable after a long time use. 5、The filter module that allows low-frequency useful signals to pass smoothly and reduces high-frequency electromagnetic interference can improve sound purity and reduce noise generated by AC power interference. Item Type: EMI Filter Module Board Material: PCB Working Voltage: AC 220V Maximum Current: 2A Purpose: A filter module that allows low-frequency useful signals to pass smoothly and reduces high-frequency electromagnetic interference. It can improve sound purity and reduce noise generated by AC power interference. 1 x EMI Filter Module Board