ProCo Sound DB4A 4-Channel Direct Box

4-channel professional quality passive direct box for connection of unbalanced musical instruments and line-level sources to low-Z balanced microphone inputs for PA or recording. Each channel features 1 front-panel and 2 rear-panel 1/4" (6.35mm) jacks for input or parallel output, switches for line-level attenuation and ground lift, andfront-panel male XLR-type output. Uses Pro Co DBT-1 transformers (20k/150 ohm)