zADSR – Digital multi-mode envelope generator. 8hp. (NEW!)
zLFO – Complex wavetable ultra-low frequency oscillator. 8hp. (NEW!)
zSUM-4 – Stereo summing mixer. – 10hp
zLINEIN – Studio balanced line input / zSUM-4 expander. – 6hp
zOUT – Impedance-balanced studio output module. / zSUM-4 expander. – 6hp
zCLOCK – MIDI clock tester/generator/divider/sync module. – 12hp
zSUM-1A – Summing mixer 5×1 /attenuator/inverter. – 3hp
zSPLIT – Active splitter/distributor/mult/bus access. – 3hp.
dSPLIT – 5-way digital splitter, x2, x4 divider. – 3hp.
ATT-3 – Triple passive attenuator. 4hp.