A used Sony amplifier board 1-655-387-11 for Sony MHC-C405 sound system and others models. This  Sony 1-655-387-11  amplifier board was pull-out from a working Sony MHC-C405 sound system with a broken cd mecanism. You can see the Sony amplifier board for sale on the photos.             We ship parts almost anywhere in the world...Just send an Email with your adress details to get a shipping cost estimate.