Shape your sound with four channels of flexible, musical preamp tone.
The Undertone Audio MPDI-4 provides studio-quality sound in a compact, rackmountable package. With four discrete mic preamp channels and a versatile range of tonal options, the MPDI-4 is ideal for musicians and producers. Switch between pristine clarity and rich, harmonic color with the flip of a switch. An instrument DI, selectable output impedance and +48V phantom power provide flexibility for any input source. Send your signal directly to line-level devices or add texture with the transformer-coupled outputs. Housed in a single rack space, the MPDI-4 delivers premium sound in a space-efficient design. Experience four premium mic preamps in one powerful, musical unit—the MPDI-4 microphone preamp.