Pro Co Audio Interface Family
PASSIVE DIRECT BOX
Passive direct box for connection of unbalanced musical instruments and line-level sources to low-Z balanced microphone input for PA or recording. Not recommended for speaker-level use. 1/4" (6.35mm) input (with parallel 1/4" output). Switch for ground lift. Male XLR-type balanced mic-level output. Uses Pro Co CBT-1 transformer (20k/150 ohm).