Elysia xfilter qube, Portable Stereo Equaliser, 100% Class-A topology, True stereo link, High- and low-shelf filters, Resonant high and low pass filters, Two parametric mids with switchable Q, Additional passive high-band, Detented computer-selected potentiometers, Special low-tolerance capacitors, Optimum shielding against electrical interference is provided by a copper-plated grounding board that runs close to the signal path conductors, Frequency response (-3.0 dB): <10 Hz - 400 kHz, Noise (20 Hz - 20 kHz): -98 dBu, Dynamic range (20 Hz - 22 kHz): 120 dB, Maximum input/output level: +21 dBu, Input impedance: 10 kOhm, Output impedance: 68 Ohm, 2 Line inputs XLR / 6.3 mm jack, 2 Line outputs XLR / 6.3 mm jack, Desktop housing, Includes power supply, Made in Germany