2-Channel Loudspeaker Protection - 220VACThis stereo speaker protection prevents switch-on clicks and DC components on the output of the amplifier connected. Specifications:--Switch-delay: +/- 6 seconds--DC protection: +1V/-1V--Max. input voltage: 200Vpp + DC--Max. switching current: 10 A--LED indication for: WAIT (switch-on delay) and ERROR (DC on speaker output)--Supply voltage: 220VAC--PCB dimensions: 2.2" x 4.9"