Bi-Wire adapter for AudioCraft BWA-20 speaker terminals - the original device for connecting according to the two-wire scheme (BY-WIRING) and better sound.
Structurally, they are made in the form of a carbon cylinder with rhodium terminals at the input and copper spade at the output. Carbon fiber + aluminum scraped round board body. Brass sharpening rhodium plating finish (ultra low temperature treatment) terminal.
There are also classic silver jumpers. Top-level WIREWORLD GOLD ECLIPSE: $160