SPL PassEQ red, Passive Dual-channel Mastering EQ, Individual boost and cut with 12 selectable frequencies per band, Optimized Q-factor for every boost and cut frequency, Boost/Cut, Q-Factor and Output Pot are each rasterized in 41 steps, Auto Bypass function with interval control, Max. Input Level: +32.5 dBu, Max. Output level: +32.5 dBu, Frequency response: 10 - 35,000 Hz, Weight: 10.2 kg, Design: 19"" / 4 RU, Colour: Red