IGS Audio Multicore, Multi-band compressor, 3-Band, Analog VCA compression, Carnhill input and output transformers, Ratio: 2:1, 4:1, 10:1, Attack: 0.1, 0.3, 1, 18, 30, Release: 0.1, 0.4, 0.6, 0.8, 1.6, Auto, Frequency range: 10 Hz -30 kHz (+ 0.3 dB / - 0.3 dB), Signal to noise ratio: 90 dB (A), Input impedance 10 kohm, Output impedance: 50 ohm, Dynamic range: 104 dB (A), Max. gain reduction: -20 dB, Bypass switch, Connections: 2 XLR inputs, 2 XLR outputs, Integrated power supply: 110V / 230V, Design: 19"" / 3U