The MXL MPAC-01 microphone preamplifier and compressor is a state-of-the-art signal processor. With a built-in VCA compressor for adjusting dynamics, this preamp is a great piece of studio hardware for sound engineering.


Microphone Preamp/Compressor

Microphone Preamp Compressor

Unleash your creative genius with the MXL MPAC-01 - a state-of-the-art microphone preamp/compressor designed for today's recording equipment. The MPAC-01 utilizes THAT Corporation 1512 Opamps which are known for their exceptional low noise performance and extremely low THD+N through the full audio bandwidth. This no-compromises preamp has a clean and transparent tonality so it won't color your sound. In just one rack space, you also get a fully controllable VCA Compressor to manipulate your dynamics with precision.

  • Analog meter displays Output and Gain Reduction
  • Balanced input/output and an unbalanced insert jack
  • Low noise operation
  • Variable Frequency High Pass Filter (50-175Hz)
  • Built-in VCA Compressor
  • 20 dB pad/180° phase invert
  • Supplies +48V Phantom Power

Input impedance:
15K ohms
Max output:
20 dB
HPF Switch:
Variable from 50Hz to 175Hz
Frequency Response:
Phantom Power:
Max gain:
60 dB
Adjustable Threshold:
-20 dB to +20 dB
Adjustable Makeup Gain:
-10 dB to +10 dB
Adjustable Ratio:
1:1, 2:1, 3:1, 4:1, 5:1, 9:1, ∞:1
0°/ 180°
0 dB/-20 dB
Illuminated VU Meter:
Output/Gain Reduction
Insert Jack:
T=Send, R=Return, S=Ground

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