The LNF-BOB (Break Out Box) is intended to be used as adapter between LNF HEMT bias power supplies (up to eight units) and a standard customer supplied low noise (preferably linear) power supply which can provide with voltage of +/-12VDC and current up to +/-10A. It is equipped with eight 3-Pin male M8 connector for connecting LNF-PSs and two banana connectors for connecting Common (GND) to Protection Earth (PE). The power entry is provided with reliable binding post connectors on its rear panel to ensure safe operation. The enclosure is of 1U 10” size which provides with possibility to integrate it in a standard rack system.