www.ProGuitarShop.com - GNI ASDC Analog Stereo Dual Chorus - The GNI ASDC Analog Stereo Dual Chorus is already one of the most popular pedals in Brazil and now PGS has brought it to you. If you love lush analog chorus with two different setting to switch between, check out the GNI ASDC Analog Stereo Dual Chorus.