Radial ProD8 Passive 8-Channel Rackmount Direct BoxRadial ProD8 Passive 8 Channel Rackmount Direct Box The ProD8 is a high performance 8 channel passive direct box optimized for keyboard rigs in professional touring, with redundant inputs for each channel and a completely passive design that requires no power to operate. Key Features High density 8 channel rackmount DI for keyboards Reversible rack ears to optimize patching setup WIt'stands extreme dynamics from high output sources Redundant inputs