The klark teknik di 20p pro di 2 is a professional passive stereo di box with a custom built high performance midas transformer delivering incredible signal integrity and audio quality'. '.strtoupper('t')he passive design of the di 20p removes the requirement for an external power supply whilst the fully transformer isolated circuit ensures a pristine signal.with ultra low noise and extremely linear frequency response the di 20p deliver astonishing sonic performance with stereo 1 4 ts input and thru connectors and high quality neutrik xlr output connectors'. '.strtoupper('t')his compact di box boasts a rugged aluminium extrusion casing with protective rubber corner bumpers for excellent road ready durability'. '.strtoupper('p')erfectly suited to a wide range of applications the klark teknik di 20p pro di 2 is an ideal addition to any engineers arsenal.