VCFs, PH01II, VCAs, Keyscan and 2OPFM are among Super Syntheses most popular products.
4ch Bipolar Mixer
Knob recorder with CV in and clock in/out
Low pass filter based around the Curtis CEM3328
Four Linear Voltage Controlled Amplifiers in 12HP
CV/Gate Bus Implementing Module
Digital 2-operator FM voice
Digital AR envelope