Elysia xfilter qube; portable Stereo Equalizer; 100% class-A topology; true stereo operation; high and low shelf filters; resonance high & low cut filters; two parametric mids with switchable Q; additional passive high-band; all stepped potentiometers (computer-selected); special low tolerance capacitors; ground layer shield; Frequency response: <10 Hz - 400 kHz (-3dB); Noise floor: 20 Hz - 20 kHz (-98dBu); Dynamic range: 20 Hz - 22 kHz, 120 dB; maximum level in/out: +21dBu; Impedance: 10k Ohms in, 68k Ohms out; Connectors: 2x line input XLR / 6.3 mm jack, 2x line output XLR / 6.3 mm jack; incl. Power Supply; Dekstop Housing; Made in Germany