Elysia nvelope, Stereo Impulse Shaper, Discrete class-A topology, Full-range mode, Dual band mode, EQ mode, Mixed mode, Dual mono / Stereo link, Auto gain, Stepped potentiometer, Frequency range: < 10 Hz - 400 kHz (-3 dB), A-weighted sound in full-range mode: 20 Hz - 20 kHz -3 dB, A-weighted sound in dual band mode: 20 Hz - 20 kHz -87 dBu, Dynamic range: 20 Hz - 22 kHz -3 dB, Maximum level input / output: +21 dBu, Input impedance: 10 kOhm, Output impedance: 68 Ohm, Made in Germany, Robust but light housing made completely from aluminium, In-/Outputs: XLR and jack, Dimensions: 19"", 1U, Weight: 2 kg