Two-channel isolation transformer (line isolator). Neutrik combination socket input (XLR & jack socket) and XLR output. The PLI02 also has a ground-lift switch. Especially suitable for eliminating ground loops that cause hum. Conversion from unbalanced to balanced is possible. 600 ohm version can handle levels up to +20 dBu. Professional dual channel line isolating unit for stage and studio use. A unique Neutrik input connector accepts both male XLR and jack plugs. The PLI-02 easily converts unbalanced outputs into balanced ones. It may also be used to transformer balance electronically balanced inputs and outputs.