http://www.soundsliveshop.com/p/Roland_System-1_Aira_Plug-Out_Synthesizer/ROL-SYSTEM-1. Roland System-1 Plug-Out Synthesizer joins an all new line up of AIRA series products. Roland System-1 comes loaded with proprietary Analogue Circuit Behavior technology that recreates these classic synths with incredible detail. Find out more at Soundsliveshop.com.