Per channel: Controls for cut-off frequency and resonance, selectable characteristics (low-pass, band-pass, high-pass), audio input and output, two CV inputs
Audio input and cut-off CV input are normalised to the next channel
Scan section with crossfader, CV input and audio output allows continuous crossfading between the 4 channels
Power requirement: 170 mA (+12 V) / 170 mA (-12 V)