Roger Schult W2377 MK2, EQ, 500 Module, Full parametric filter with three switchable frequency ranges, Covers the entire sound range from 20 to 23300 kHz, Transmission range: 20 Hz - 40 kHz (+0.1 / -0.2 dB), Control range of potentiometers: +/- 10 dB, 11-Step quality control (with LP and HP settings), Hard-Bypass, Max. Input level: +23 dBu, Max. Output level: +26 dBu, Power supply: +/- 16V via api system, + max. 120 mA / -16V max. 60mA, Dimensions (H x D): 115 x 172 mm, Weight: 0.55 kg, Type: 500 module