Elysia Xpressor qube, Portable Stereo Compressor, Discrete Class-A topology, Auto Fast Attack, Switchable release characteristics, Warm mode, Parallel compression, Sidechain filter, Gain Reduction Limiter, Analogue dynamic LED display, Ratcheted potentiometers, Frequency range (-3.0 dB): <10 Hz - 400 kHz, Noise (20 Hz - 20 kHz): -94 dBu, Dynamic range (20 Hz - 22 kHz): 115 dB, Maximum level input / output: +21 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 housing, Includes power supply, Made in Germany