Product description

The Radial JPC is a two-channel hybrid direct box designed
to address the demand for interfacing computer sound cards, consumer
electronics and other gear to pro sound systems. The JPC features two
active 48V phantom powered channels in a small, rugged enclosure. The
JPC combines an active drive circuit, for long cable runs, with
transformer isolated ins to eliminate hum and buzz caused by ground
loops. Features
The Radial JPC is a stereo direct box that has been specifically
designed for use with computer sound cards and other consumer electronic
products to allow these to be connected to a professional sound system.
It is unique in that it combines the advantages of transformer-isolated
inputs with an active drive circuit, giving you the 'best of both
worlds' in a compact and extremely flexible package. Transformer coupled
inputs have the unique advantage of isolating the 'source' from the '

The JPC features two active 48V phantom powered channels in a compact, rugged enclosure

It combines an active drive circuit, for long cable runs, with
transformer isolated inputs to eliminate hum and buzz caused by ground
loops

Multiple input and thru connectors for great versatility include 1/8" stereo, 1/4" stereo and RCA

In depth: The Radial JPC is a stereo direct box that has been
specifically designed for use with computer sound cards and other
consumer electronic products to allow these to be connected to a
professional sound system