Features: - 500 series PLC module - 4-band stereo equalizer - Fusion Violet with high-pass and minimum-phase low-pass filters - Two additional fully parametric mid band EQs, each with Focus mode for targeted frequency processing - Switchable high pass filter (Off/30/40/50Hz) - Output level adjustment control - EQ LF filter Shelf: Gain of +/-9 dB at 30/50/70/90Hz - HF EQ Shelf filter: gain of +/-9 dB at 8/12/16/20kHz - Parametric HMF EQ: gain of +/-9 dB at 400 Hz - 6 kHz - Parametric LMF EQ: gain of +/-9 dB at 100 Hz - 1.1 kHz - Gain Trim: +/-12dB - Construction: API Series 500 format - Requires two 500 slots