DOD SR831QX 31-Band EQ here. 61EQ''s items in our Recording / Studio Department at OnlineRock! Looking for that hard to find accessory? We offer a full range of EQ''s products and accessories, all at the best prices! DOD SR831QX 31-Band EQ product specifications and consumer ratings are displayed below. Toggle through all products by selecting "Next" or "Prev". All product information, prices and specifications subject to change. Information updated on February 16, 2007.