The Roland System-500 530 Eurorack Dual VCA Module is based on the classic SYSTEM-100m modular synthesizer, the SYSTEM-500 is a fully analogue recreation of one of the most revered electronic instruments of all time. Newly designed in Eurorack format, the SYSTEM-500 delivers the classic character and functionality of the original with the advantages of a modern instrument. Built in the USA and assembled in Japan, the SYSTEM-500 is made to exacting standards with top-quality components and solid controls. And it’s surprisingly affordable, turning the fantasy of finally owning this legendary instrument into reality. The 530 Dual VCA (voltage controlled Amplifier) features two independent voltage controlled amplifiers for controlling the loudness of audio signals. Each VCA has three sliders for an audio input mixer, three sliders to mix CV inputs, and a selector switch for linear or exponential response modes.