💡 Enhance Performance with BOJACK EI 14 Efficiency Isolation Transformers Review

I used these to isolate the audio input and output of a ham radio from a USB sound card. Everything seems fine. The copper windings are shiny, the pins match the grid of the perforated board, not brittle, etc.

Bought 10 of these, used 1 for the phone recording interface and put the other 9 in a drawer for later use - probably for language use. I wouldn't use them for music, but they're perfect for vocal range.

Great little transformers for signalling. I've been trying to get them through the supply chains people typically use for components and either they're hard to come by to spec or those companies don't offer them. I even wrote to their support - didn't think to check Revine first. Of course they are! I used it as a signal transfer converter to drive the device from this ESP32 thing and this transformer is the only means I have been able to use to transfer the digital output from the ESP to…