Elysia Alpha Compressor, 2-Channel mastering compressor, 100% discrete Class-A technology, Integrated M/S matrix, Feed forward & feedback switchable, Auto fast for attack and release, Audio filter, Side-chain filter, Parallel compression, Soft clip limiter, Switchable transformers, Flexible signal matrix, Analog dynamic LED display, VOVOX sound conductors, Stepped potentiometers, Frequency response: <10 Hz - 200 kHz (-0.5 dB), Noise floor: 20 Hz - 20 kHz, -95.8 dBu, Dynamic range: 20 Hz - 22 kHz, 122 dB, Maximum input / output level: +28 / +27 dBu, Input impedance 10 kOhm, Output impedance: 68 Ohm, Format: 19"" / 3U, Weight: 16 kg, Extended warranty: 5 years