Palmer BRIDGE 4A+ Active 4 channel direct box (DI) / line isolation box, 19 rack mountable

Connection of audio sources with unbalanced or balanced outputs to PA systems Reliably eliminates hum caused by ground loops, thanks to the transformer's galvanic isolation Inputs on combo-type sockets, usable with XLR connectors or 6.35 mm jacks 2 balanced XLR outputs per channel