The Mackie MDB‑1P is a passive DI box designed to convert unbalanced, high‑impedance signals from instruments or line devices into balanced, low‑impedance mic‑level output for professional mixers and PA systems.
1/4″ high‑impedance unbalanced input with Thru output
Balanced XLR 3‑pin output with Ground Lift switch
–15 dB pad to prevent distortion or clipping
Passive circuit — no battery or phantom power required
