ART's PDB4 is a four-channel passive direct box that features four quality fully transformer isolated direct boxes in a 1RU 19" rack mount chassis.

Inputs and outputs of each of the four channels are isolated to maximize channel separation. Transformer isolation on each output helps to eliminate system ground loops.

It is a rock solid, roadworthy interface for connecting outputs of electronic musical instruments (or other audio sources) to the balanced inputs of mixer consoles and other balanced audio products.

The PDB4 also allows connection of a music source to an instrument amplifier while simultaneously patching it to a mixer.

ART PDB4 Features:

• Four Fully Isolated Channels
• Switchable Input Attenuation (0dB, -20dB ,-40dB)
• 50k Ohm Instrument/Line Input
• 50k Ohm Parallel Link Jack
• 600 Ohm XLR Output Jack
• Switchable Ground Lift
• 1RU 19" Chassis

ART PDB4 Specifications:

• Input Impedance: 50k Ohm
• Output Impedance: 600 Ohms
• Ground Lift: Switchable
• Input Attenuation: Switchable (0dB, -20dB,-40dB)
• Input Jacks: 1/4" TS unbalanced
• Output Jack: XLR male balanced
• Frequency Response: 10 Hz - 50 kHz +/- 0.5dB @+4dBu
• Chassis Type: All-steel black finish
• Power Requirements: None Totally Passive
• Dimensions (HxWxD): 1.75" x 19" x 6" (44.5 x483 x 152 mm)
• Weight: 6.5 lbs. (2.95 kg)