[The K3U (XLR) or K3N (Tuchel) powering module had balanced output, the K1 unbalanced, and the K30AV was a transformerless o/p with multipin connector and non-standard powering.]
[The K3U (XLR) or K3N (Tuchel) powering module had balanced output, the K1 unbalanced, and the K30AV was a transformerless o/p with multipin connector and non-standard powering.]