Elysia mpressor2 qube, Portable 2-Channel Compressor, Discrete Class-A topology, THD Boost: edgy sound and coloration, Auto Fast, Anti Log: Pumping and breathing at the push of a button, Regative ratios, Gain Reduction Limiter, Stepped potentiometers, Frequency range (-3dB): <10 Hz - 390 kHz, Noise (20 Hz - 20 kHz, A-weighted): -79 dBu, Dynamic range (20 Hz - 22 kHz): 99 dB, Maximum level input: +21 dBu, Maximum level output: +22 dBu, Input impedance: 10 kOhm, Output impedance: 68 ohms, 2 Line inputs XLR / 6.3 mm jack, 2 Line outputs XLR / 6.3 mm jack, Desktop case, Includes power supply, Made in Germany